Age and Sex in Suffolk County, New York (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in New York.
Scope: population of New York, Suffolk County, and other counties in New York
Suffolk County
New York
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-430,33130.3k2.025%2.02%30,20530.2k2.016%2.02%39,49139.5k2.636%2.64%54,00154.0k3.605%3.60%41,43141.4k2.766%2.77%32,99333.0k2.202%2.20%50,95451.0k3.401%3.40%38,66438.7k2.581%2.58%107,347107k7.165%7.17%123,791124k8.263%8.26%117,699118k7.856%7.86%101,118101k6.750%6.75%87,40987.4k5.835%5.83%82,82782.8k5.529%5.53%86,59986.6k5.780%5.78%59,47259.5k3.970%3.97%19,59919.6k1.308%1.31%20,30720.3k1.355%1.36%39,44139.4k2.633%2.63%63,96964.0k4.270%4.27%99,44799.4k6.638%6.64%90,09590.1k6.014%6.01%80,94080.9k5.403%5.40%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of New York and Suffolk County
Female Male
New York
Suffolk County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.183123%-0.057342%-0.172881%-0.062327%-0.240465%0.24%0.183123%0.172881%0.183123%0.18%228,452228k15.249%15.2%-0.706070%-0.028518%-0.641426%-0.044933%-0.734588%0.73%0.706070%0.641426%0.706070%0.71%539,573540k36.016%36.0%-0.573878%-0.689020%-0.008790%-0.573878%0.57%0.573878%0.025213%0.689020%0.599091%0.60%316,307316k21.113%21.1%-0.633657%-0.703940%-0.633657%0.63%0.633657%0.056787%0.703940%0.015761%0.690444%0.69%79,34779.3k5.296%5.30%-0.605336%-0.582651%-0.605336%0.61%0.605336%0.029581%0.582651%0.026732%0.634917%0.63%334,451334k22.325%22.3%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval 265+ 340-64 422-39 518-21 60-17

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of New York and Suffolk County
Female Male
New York
Suffolk County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.042599%-0.041339%-0.043717%-0.048046%-0.083938%0.08%0.042599%0.043717%0.042599%0.04%30,33130.3k2.025%2.02%-0.165179%-0.072878%-0.153136%-0.076635%-0.238057%0.24%0.165179%0.153136%0.165179%0.17%30,20530.2k2.016%2.02%-0.228779%-0.069647%-0.213666%-0.069857%-0.298425%0.30%0.228779%0.213666%0.228779%0.23%39,49139.5k2.636%2.64%-0.332321%-0.056270%-0.305042%-0.070599%-0.388591%0.39%0.332321%0.305042%0.332321%0.33%54,00154.0k3.605%3.60%-0.425953%-0.069932%-0.398997%-0.072979%-0.495885%0.50%0.425953%0.398997%0.425953%0.43%41,43141.4k2.766%2.77%-0.500791%-0.099557%-0.484027%-0.085321%-0.600348%0.60%0.500791%0.484027%0.500791%0.50%32,99333.0k2.202%2.20%-0.560588%-0.012549%-0.535408%-0.063269%-0.573137%0.57%0.560588%0.535408%0.560588%0.56%50,95451.0k3.401%3.40%-0.634491%-0.021427%-0.601397%-0.054715%-0.655918%0.66%0.634491%0.601397%0.634491%0.63%38,66438.7k2.581%2.58%-0.693571%-0.045937%-0.648256%-0.055238%-0.739509%0.74%0.693571%0.648256%0.693571%0.69%107,347107k7.165%7.17%-0.816458%-0.019691%-0.700356%-0.045482%-0.836149%0.84%0.816458%0.700356%0.816458%0.82%123,791124k8.263%8.26%-0.771228%-0.028823%-0.670858%-0.035039%-0.800051%0.80%0.771228%0.670858%0.771228%0.77%117,699118k7.856%7.86%-0.658941%-0.032040%-0.625857%-0.029058%-0.690981%0.69%0.658941%0.625857%0.658941%0.66%101,118101k6.750%6.75%-0.580203%-0.619363%-0.020730%-0.580203%0.58%0.580203%0.006501%0.619363%0.586705%0.59%87,40987.4k5.835%5.83%-0.544946%-0.686255%-0.013406%-0.544946%0.54%0.544946%0.015846%0.686255%0.560792%0.56%82,82782.8k5.529%5.53%-0.554745%-0.743617%-0.001718%-0.554745%0.55%0.554745%0.046605%0.743617%0.601350%0.60%86,59986.6k5.780%5.78%-0.643447%-0.711711%-0.643447%0.64%0.643447%0.036356%0.711711%0.007018%0.679803%0.68%59,47259.5k3.970%3.97%-0.629785%-0.720027%-0.629785%0.63%0.629785%0.048661%0.720027%0.014992%0.678446%0.68%19,59919.6k1.308%1.31%-0.661158%-0.742629%-0.661158%0.66%0.661158%0.033175%0.742629%0.017220%0.694332%0.69%20,30720.3k1.355%1.36%-0.621842%-0.676552%-0.621842%0.62%0.621842%0.072657%0.676552%0.015416%0.694499%0.69%39,44139.4k2.633%2.63%-0.694688%-0.608794%-0.694688%0.69%0.694688%0.033931%0.608794%0.026966%0.728619%0.73%63,96964.0k4.270%4.27%-0.652600%-0.582386%-0.652600%0.65%0.652600%0.022415%0.582386%0.024242%0.675015%0.68%99,44799.4k6.638%6.64%-0.579696%-0.568805%-0.579696%0.58%0.579696%0.043374%0.568805%0.029263%0.623070%0.62%90,09590.1k6.014%6.01%-0.530101%-0.581076%-0.530101%0.53%0.530101%0.020345%0.581076%0.026553%0.550446%0.55%80,94080.9k5.403%5.40%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of New York and Suffolk County
More Females More Males
New York
Suffolk County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-97.042405%-109.904411%-97.042405%97.0%0.5080.5166.335%66.3%33.665%33.7%-44.120262%-50.044093%-44.120262%44.1%0.6940.6959.037%59.0%40.963%41.0%-30.442901%-32.694336%-30.442901%30.4%0.7670.7756.605%56.6%43.395%43.4%-16.932471%-23.143981%-16.932471%16.9%0.8550.8653.903%53.9%46.097%46.1%-16.417677%-18.290588%-16.417677%16.4%0.8590.8653.793%53.8%46.207%46.2%-19.880040%-17.627254%-19.880040%19.9%0.8340.8354.521%54.5%45.479%45.5%-2.238539%-11.816932%-2.238539%2.2%0.9780.9850.553%50.6%49.447%49.4%-3.376992%-9.098008%-3.376992%3.4%0.9670.9750.830%50.8%49.170%49.2%-6.623294%-8.520949%-6.623294%6.6%0.9380.9451.603%51.6%48.397%48.4%-2.411786%-6.494124%-2.411786%2.4%0.9760.9850.596%50.6%49.404%49.4%-3.737234%-5.223018%-3.737234%3.7%0.9640.9650.917%50.9%49.083%49.1%-4.862335%-4.642840%-4.862335%4.9%0.9540.9551.187%51.2%48.813%48.8%-3.346918%1.120545%1.120545%1.1%1.0111.0149.721%49.7%50.279%50.3%-1.953471%2.907888%2.907888%2.9%1.0291.0349.283%49.3%50.717%50.7%-0.231031%8.401117%8.401117%8.4%1.0841.0847.984%48.0%52.016%52.0%5.650265%0.986050%5.650265%5.7%1.0571.0648.626%48.6%51.374%51.4%7.726550%2.082114%7.726550%7.7%1.0771.0848.140%48.1%51.860%51.9%5.017668%2.318856%5.017668%5.0%1.0501.0548.776%48.8%51.224%51.2%11.684199%2.278568%11.684199%11.7%1.1171.1247.240%47.2%52.760%52.8%4.884376%4.429453%4.884376%4.9%1.0491.0548.808%48.8%51.192%51.2%3.434662%4.162482%3.434662%3.4%1.0341.0349.156%49.2%50.844%50.8%7.482210%5.144582%7.482210%7.5%1.0751.0748.197%48.2%51.803%51.8%3.838018%4.569568%3.838018%3.8%1.0381.0449.059%49.1%50.941%50.9%
M:F ratio of males to females in the age cohort
F females as a percentage of the age cohort
M males as a percentage of the age cohort

Map of Age Cohorts by County Subdivision in Suffolk County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
15.7%17.6%19.5%21.3%23.2%25.1%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
2.4%6.3%10.3%14.2%18.1%22.0%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
1.9%3.7%5.5%7.4%9.2%11.0%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.9%9.6%12.2%14.8%17.4%20.0%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0.0%3.1%6.2%9.3%12.3%15.5%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
10.0%11.6%13.2%14.8%16.4%18.1%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
9.5%11.2%12.9%14.6%16.3%18.1%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
5.3%6.6%8.0%9.3%10.6%12.0%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%1.8%3.5%5.3%7.1%8.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Suffolk County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
1%9%16%23%30%37%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0%15%29%43%56%71%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
1.3%5.5%9.7%13.8%17.9%22.1%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
0.9%5.6%10.3%15.0%19.7%24.4%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
0.4%4.8%9.0%13.3%17.6%21.9%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
0.0%4.6%9.2%13.8%18.3%23.0%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
0%5%11%16%21%26%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.4%5.2%10.0%14.8%19.6%24.4%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0%6%11%17%23%29%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Suffolk County

There are 157 places that are fully or partially contained within Suffolk County (156 fully and 1 partially). This section compares all 157 of those to each other, Suffolk County, and other entities that contain or substantially overlap with Suffolk County.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Suffolk County, selected places in Suffolk County, and entities that contain Suffolk County
0%10%20%30%Count#Village of the BranchVlg of the BranchGordon HeightsGordon HtsLloyd HarborNorth Bay ShoreN Bay ShrSagaponackShelter IslandShelter IsNorth BellportN BellportMiller PlaceMasticRocky PointFlandersHuntington StationWyandanchBrentwoodWheatley HeightsWheatley HtsEast ShorehamManorvilleCentral IslipMount SinaiBay ShoreGreat RiverGreenlawnElwoodNesconsetNorth AmityvilleN AmityvilleBelle TerreIslip TerraceEast QuogueCenter MorichesCtr MorichesCold Spring HarborCold Spg HbrTerryvilleCommackUnited States of AmericaUnited StatesSeldenCoramRemsenburg-SpeonkSuffolk CountySuffolkNew York, Newark, and Jersey City Metro AreaNew York AreaHalesiteMiddle AtlanticNew YorkNortheastRonkonkomaWest BabylonLake GroveAmityvilleJamesportHampton BaysGilgoEast HamptonRiversideStony Brook UniversityStony Brk UnivOak Beach-CaptreeOak Bch-CaptreeOcean BeachDering Harbor30.902601%30.902601%30.9%606130.184978%30.184978%30.2%1,077229.599567%29.599567%29.6%1,094329.049913%29.049913%29.0%6,210428.636364%28.636364%28.6%63528.355127%28.355127%28.4%412628.337923%28.337923%28.3%3,190727.976637%27.976637%28.0%3,353827.901029%27.901029%27.9%4,364927.388394%27.388394%27.4%3,7241027.336585%27.336585%27.3%1,4011126.894257%26.894257%26.9%9,2961226.636821%26.636821%26.6%2,8561326.407110%26.407110%26.4%16,22416.2k1426.182033%26.182033%26.2%1,3291526.063592%26.063592%26.1%1,7461626.039637%26.039637%26.0%3,8761725.912913%25.912913%25.9%8,9981825.796797%25.796797%25.8%3,1891925.676677%25.676677%25.7%7,6272025.576662%25.576662%25.6%3772125.499718%25.499718%25.5%3,6232225.283558%25.283558%25.3%2,8312325.184284%25.184284%25.2%3,5192424.863524%24.863524%24.9%5,0102524.827586%24.827586%24.8%1802624.764240%24.764240%24.8%1,3132724.734832%24.734832%24.7%1,1662824.372422%24.372422%24.4%2,0682924.371909%24.371909%24.4%1,2323023.991103%23.991103%24.0%3,0203423.352901%23.352901%23.4%8,5534023.108006%23.108006%23.1%73,612,43873.6M22.960546%22.960546%23.0%4,6444522.709602%22.709602%22.7%9,2884922.336931%22.336931%22.3%4765622.324565%22.324565%22.3%334,451334k22.084105%22.084105%22.1%4,423,7654.42M21.725240%21.725240%21.7%5446721.597009%21.597009%21.6%8,940,4908.94M21.456623%21.456623%21.5%4,226,4094.23M21.341491%21.341491%21.3%11,965,27112.0M21.245888%21.245888%21.2%4,0047920.909154%20.909154%20.9%9,0668320.560414%20.560414%20.6%2,3049019.580346%19.580346%19.6%1,85710117.788462%17.788462%17.8%18511216.602761%16.602761%16.6%2,16512314.170040%14.170040%14.2%3513410.983607%10.983607%11.0%1341453.096693%3.096693%3.1%1471531.945355%1.945355%1.9%1781540.000000%0.000000%0.0%01550.000000%0.000000%0.0%01560.000000%0.000000%0.0%0157
Count number of children
# rank of place out of 157 by %

Age Cohorts by County Subdivision in Suffolk County

There are 12 county subdivisions in Suffolk County. This section compares all 12 of those to each other, Suffolk County, and other entities that contain or substantially overlap with Suffolk County.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Suffolk County, selected county subdivisions in Suffolk County, and entities that contain Suffolk County
0%5%10%15%20%25%Count#Town of Shelter IslandShelter IsTown of IslipUnited States of AmericaUnited StatesTown of HuntingtonHuntingtonPoospatuck ReservationPoospatuckTown of BrookhavenBrookhavenTown of SmithtownSmithtownSuffolk CountySuffolkNew York, Newark, and Jersey City Metro AreaNew York AreaMiddle AtlanticNew YorkTown of BabylonBabylonNortheastShinnecock ReservationShinnecockTown of RiverheadRiverheadTown of SouthamptonSouthamptonTown of East HamptonE HamptonTown of SoutholdSouthold25.035162%25.035162%25.0%712123.886092%23.886092%23.9%80,18880.2k223.108006%23.108006%23.1%73,612,43873.6M22.937237%22.937237%22.9%46,78646.8k322.810219%22.810219%22.8%125422.722756%22.722756%22.7%110,915111k522.576628%22.576628%22.6%26,64926.6k622.324565%22.324565%22.3%334,451334k22.084105%22.084105%22.1%4,423,7654.42M21.597009%21.597009%21.6%8,940,4908.94M21.456623%21.456623%21.5%4,226,4094.23M21.407336%21.407336%21.4%45,65245.7k721.341491%21.341491%21.3%11,965,27112.0M18.000000%18.000000%18.0%9817.591055%17.591055%17.6%5,931917.590782%17.590782%17.6%10,16810.2k1017.475329%17.475329%17.5%3,8251115.737986%15.737986%15.7%3,49112
Count number of children
# rank of county subdivision out of 12 by %

Age Cohorts by County in the New York Area

There are 25 counties in the New York Area. This section compares Suffolk County to all of the counties in the New York Area and to those entities that contain or substantially overlap with Suffolk County.

Children by County#41

Percentage of population aged 0 to 17 (%):
Scope: population of Suffolk County, selected other counties in the New York Area, and entities that contain Suffolk County
0%5%10%15%20%25%Count#Rockland CountyRocklandOrange CountyOrangeBronx CountyBronxPassaic CountyPassaicEssex CountyEssexUnion CountyUnionOcean CountyOceanKings CountyKingsSomerset CountySomersetUnited States of AmericaUnited StatesWestchester CountyWestchesterRichmond CountyRichmondSuffolk CountySuffolkMorris CountyMorrisMonmouth CountyMonmouthNassau CountyNassauMiddlesex CountyMiddlesexNew York, Newark, and Jersey City Metro AreaNew York AreaBergen CountyBergenMiddle AtlanticSussex CountySussexNew YorkPutnam CountyPutnamNortheastHunterdon CountyHunterdonHudson CountyHudsonQueens CountyQueensDutchess CountyDutchessPike CountyPikeNew York CountyNew York27.703151%27.703151%27.7%89,38289.4k126.007197%26.007197%26.0%97,85097.9k225.573137%25.573137%25.6%367,431367k324.331236%24.331236%24.3%123,409123k424.091140%24.091140%24.1%190,943191k523.832380%23.832380%23.8%131,182131k623.530195%23.530195%23.5%137,926138k723.337305%23.337305%23.3%608,369608k823.242163%23.242163%23.2%77,09177.1k923.108006%23.108006%23.1%73,612,43873.6M22.943185%22.943185%22.9%222,372222k1022.358469%22.358469%22.4%105,828106k1122.324565%22.324565%22.3%334,451334k1222.301416%22.301416%22.3%111,109111k1322.286513%22.286513%22.3%139,855140k1422.141419%22.141419%22.1%300,415300k1522.127854%22.127854%22.1%184,071184k1622.084105%22.084105%22.1%4,423,7654.42M21.766185%21.766185%21.8%202,493202k1721.597009%21.597009%21.6%8,940,4908.94M21.478430%21.478430%21.5%31,07831.1k1821.456623%21.456623%21.5%4,226,4094.23M21.433889%21.433889%21.4%21,30721.3k1921.341491%21.341491%21.3%11,965,27112.0M21.032074%21.032074%21.0%26,43926.4k2020.589626%20.589626%20.6%137,647138k2120.470812%20.470812%20.5%472,878473k2220.197361%20.197361%20.2%59,76559.8k2319.781178%19.781178%19.8%11,11911.1k2414.639548%14.639548%14.6%239,355239k25
Count number of children
# rank of county out of 25 by %

Age Cohorts by County in New York

There are 62 counties in New York. This section compares Suffolk County to the 50 most populous counties in New York and to those entities that contain or substantially overlap with Suffolk County. The least populous of the compared counties has a population of 48,713.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Suffolk County, selected other counties in New York, and entities that contain Suffolk County
0%5%10%15%20%25%Count#Rockland CountyRocklandOrange CountyOrangeBronx CountyBronxJefferson CountyJeffersonKings CountyKingsUnited States of AmericaUnited StatesWestchester CountyWestchesterMontgomery CountyMontgomeryCattaraugus CountyCattaraugusRichmond CountyRichmondSuffolk CountySuffolkSteuben CountySteubenWayne CountyWayneNassau CountyNassauNew York, Newark, and Jersey City Metro AreaNew York AreaTioga CountyTiogaSchenectady CountySchenectadyOnondaga CountyOnondagaChemung CountyChemungOswego CountyOswegoMiddle AtlanticSullivan CountySullivanMonroe CountyMonroeNew YorkPutnam CountyPutnamChenango CountyChenangoOneida CountyOneidaNortheastSaratoga CountySaratogaHerkimer CountyHerkimerOntario CountyOntarioChautauqua CountyChautauquaGenesee CountyGeneseeErie CountyErieFulton CountyFultonSt. Lawrence CountySt. LawrenceCayuga CountyCayugaNiagara CountyNiagaraQueens CountyQueensRensselaer CountyRensselaerMadison CountyMadisonDutchess CountyDutchessFranklin CountyFranklinWashington CountyWashingtonCortland CountyCortlandBroome CountyBroomeWarren CountyWarrenAlbany CountyAlbanyLivingston CountyLivingstonUlster CountyUlsterColumbia CountyColumbiaClinton CountyClintonOtsego CountyOtsegoTompkins CountyTompkinsNew York CountyNew York27.703151%27.703151%27.7%89,38289.4k126.007197%26.007197%26.0%97,85097.9k225.573137%25.573137%25.6%367,431367k324.752895%24.752895%24.8%29,20029.2k423.337305%23.337305%23.3%608,369608k523.108006%23.108006%23.1%73,612,43873.6M22.943185%22.943185%22.9%222,372222k622.815954%22.815954%22.8%11,33211.3k722.772782%22.772782%22.8%17,87817.9k822.358469%22.358469%22.4%105,828106k922.324565%22.324565%22.3%334,451334k1022.310522%22.310522%22.3%21,89821.9k1122.183643%22.183643%22.2%20,38120.4k1222.141419%22.141419%22.1%300,415300k1322.084105%22.084105%22.1%4,423,7654.42M21.978288%21.978288%22.0%10,91210.9k1421.943234%21.943234%21.9%33,97834.0k1521.914112%21.914112%21.9%102,569103k1621.906271%21.906271%21.9%19,22119.2k1721.735414%21.735414%21.7%26,19426.2k1821.597009%21.597009%21.6%8,940,4908.94M21.579308%21.579308%21.6%16,36116.4k1921.485086%21.485086%21.5%160,974161k2021.456623%21.456623%21.5%4,226,4094.23M21.433889%21.433889%21.4%21,30721.3k2121.361036%21.361036%21.4%10,52810.5k2221.349492%21.349492%21.3%49,71449.7k2321.341491%21.341491%21.3%11,965,27112.0M21.246705%21.246705%21.2%47,79047.8k2421.183801%21.183801%21.2%13,46413.5k2520.970306%20.970306%21.0%22,95223.0k2620.914169%20.914169%20.9%27,55427.6k2720.857535%20.857535%20.9%12,31712.3k2820.748941%20.748941%20.7%191,332191k2920.700960%20.700960%20.7%11,24011.2k3020.561468%20.561468%20.6%22,93222.9k3120.495538%20.495538%20.5%16,14716.1k3220.477659%20.477659%20.5%43,69443.7k3320.470812%20.470812%20.5%472,878473k3420.283323%20.283323%20.3%32,44532.4k3520.255517%20.255517%20.3%14,60214.6k3620.197361%20.197361%20.2%59,76559.8k3719.799243%19.799243%19.8%10,09910.1k3819.737453%19.737453%19.7%12,32912.3k3919.719582%19.719582%19.7%9,6064019.680212%19.680212%19.7%38,84538.8k4119.012186%19.012186%19.0%12,34112.3k4219.010299%19.010299%19.0%58,53158.5k4318.694872%18.694872%18.7%12,08112.1k4418.613335%18.613335%18.6%33,59833.6k4518.559651%18.559651%18.6%11,48111.5k4618.293356%18.293356%18.3%14,91014.9k4716.848423%16.848423%16.8%10,27410.3k4815.323973%15.323973%15.3%15,97816.0k4914.639548%14.639548%14.6%239,355239k50
Count number of children
# rank of county out of 50 by %

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Suffolk County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Suffolk County. The least populous of the compared counties has a population of 941,618.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Suffolk County, selected other counties in the United States, and entities that contain Suffolk County
0%5%10%15%20%25%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookSt. Louis CountySt. LouisSan Diego CountySan DiegoSuffolk CountySuffolkHennepin CountyHennepinPhiladelphia CountyPhiladelphiaNassau CountyNassauOakland CountyOaklandNew York, Newark, and Jersey City Metro AreaNew York AreaPima CountyPimaHonolulu CountyHonoluluBroward CountyBrowardMiddle AtlanticCuyahoga CountyCuyahogaNew YorkAlameda CountyAlamedaNortheastKing CountyKingMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensPalm Beach CountyPalm BeachAllegheny CountyAlleghenyNew York CountyNew York28.888866%28.888866%28.9%278,246278k128.329602%28.329602%28.3%309,506310k227.363518%27.363518%27.4%576,482576k327.228891%27.228891%27.2%1,207,3991.21M427.104397%27.104397%27.1%527,866528k526.929187%26.929187%26.9%676,745677k626.401700%26.401700%26.4%613,547614k726.219361%26.219361%26.2%487,339487k825.573137%25.573137%25.6%367,431367k925.043628%25.043628%25.0%1,023,9211.02M1024.990987%24.990987%25.0%249,554250k1124.574361%24.574361%24.6%248,637249k1224.468076%24.468076%24.5%233,745234k1324.396471%24.396471%24.4%360,897361k1424.179435%24.179435%24.2%427,394427k1523.983328%23.983328%24.0%271,704272k1623.862053%23.862053%23.9%493,981494k1723.668593%23.668593%23.7%291,625292k1823.577077%23.577077%23.6%222,006222k1923.549379%23.549379%23.5%241,704242k2023.527315%23.527315%23.5%260,665261k2123.337305%23.337305%23.3%608,369608k2223.197227%23.197227%23.2%306,913307k2323.108006%23.108006%23.1%73,612,43873.6M23.087802%23.087802%23.1%435,218435k2423.030006%23.030006%23.0%264,425264k2523.024375%23.024375%23.0%721,172721k2622.943185%22.943185%22.9%222,372222k2722.934276%22.934276%22.9%228,599229k2822.837323%22.837323%22.8%2,296,7852.30M2922.760229%22.760229%22.8%285,881286k3022.694997%22.694997%22.7%1,186,3981.19M3122.432138%22.432138%22.4%224,447224k3222.366565%22.366565%22.4%727,664728k3322.324565%22.324565%22.3%334,451334k3422.273612%22.273612%22.3%269,347269k3522.168125%22.168125%22.2%345,809346k3622.141419%22.141419%22.1%300,415300k3722.121412%22.121412%22.1%273,247273k3822.084105%22.084105%22.1%4,423,7654.42M21.856045%21.856045%21.9%219,290219k3921.601744%21.601744%21.6%213,209213k4021.598472%21.598472%21.6%402,548403k4121.597009%21.597009%21.6%8,940,4908.94M21.569623%21.569623%21.6%271,499271k4221.456623%21.456623%21.5%4,226,4094.23M21.443331%21.443331%21.4%344,212344k4321.341491%21.341491%21.3%11,965,27112.0M20.896492%20.896492%20.9%434,553435k4420.604500%20.604500%20.6%548,990549k4520.568254%20.568254%20.6%322,430322k4620.470812%20.470812%20.5%472,878473k4719.641010%19.641010%19.6%274,730275k4819.092867%19.092867%19.1%234,911235k4914.639548%14.639548%14.6%239,355239k50
Count number of children
# rank of county out of 50 by %

Definitions

The US Census reports extensively on the topics of age and sex, often reporting other topics broken down by age and sex cohorts. This page reports on age and sex alone; charts presenting other topics by age and sex can be found on their topic-specific pages.

  • Children: less than 18 years old
  • College: from 18 to 21 years old
  • 20s: from 22 to 29 years old, to not overlap the college category
  • Younger Adult: from 22 to 39 years old
  • Older Adult: from 40 to 64 years old
  • Senior: more than 64 years old

For additional information about the data presented on this site, including our sources, please see the About Page.

More Topics to Explore

Demographics

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More Maps to Explore

Towns:
Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Shelter Island, Smithtown, Southampton, Southold
Unincorporated Places:
Amagansett, Aquebogue, Baiting Hollow, Bay Shore, Bayport, Baywood, Blue Point, Bohemia, Brentwood, Bridgehampton, Brookhaven, Calverton, Center Moriches, Centereach, Centerport, Central Islip, Cold Spring Harbor, Commack, Copiague, Coram, Cutchogue, Deer Park, Dix Hills, East Farmingdale, East Hampton North, East Islip, East Marion, East Moriches, East Northport, East Patchogue, East Quogue, East Shoreham, Eastport, Eatons Neck, Elwood, Farmingville, Fire Island, Fishers Island, Flanders, Fort Salonga, Gilgo, Gordon Heights, Great River, Greenlawn, Greenport West, Halesite, Hampton Bays, Hauppauge, Holbrook, Holtsville, Huntington, Huntington Station, Islip, Islip Terrace, Jamesport, Kings Park, Lake Ronkonkoma, Laurel, Manorville, Mastic, Mattituck, Medford, Melville, Middle Island, Miller Place, Montauk, Moriches, Mount Sinai, Napeague, Nesconset, New Suffolk, North Amityville, North Babylon, North Bay Shore, North Bellport, North Great River, North Lindenhurst, North Patchogue, North Sea, Northampton, Northville, Northwest Harbor, Noyack, Oak Beach-Captree, Oakdale, Orient, Peconic, Port Jefferson Station, Quiogue, Remsenburg-Speonk, Ridge, Riverhead, Riverside, Rocky Point, Ronkonkoma, Sayville, Selden, Setauket-East Setauket, Shelter Island, Shelter Island Heights, Shinnecock Hills, Shirley, Smithtown, Sound Beach, South Huntington, Southold, Springs, St. James, Stony Brook, Stony Brook University, Terryville, Tuckahoe, Wading River, Wainscott, Water Mill, West Babylon, West Bay Shore, West Hills, West Islip, West Sayville, Westhampton, Wheatley Heights, Wyandanch, Yaphank
Villages:
Amityville, Asharoken, Babylon, Belle Terre, Bellport, Brightwaters, Dering Harbor, East Hampton, Greenport, Head of the Harbor, Huntington Bay, Islandia, Lake Grove, Lindenhurst, Lloyd Harbor, Mastic Beach, Nissequogue, North Haven, Northport, Ocean Beach, Old Field, Patchogue, Poquott, Port Jefferson, Quogue, Sag Harbor, Sagaponack, Saltaire, Shoreham, Southampton, Village of the Branch, West Hampton Dunes, Westhampton Beach
ZIP Codes:
06390, 11701, 11702, 11703, 11704, 11705, 11706, 11713, 11715, 11716, 11717, 11718, 11719, 11720, 11721, 11722, 11724, 11725, 11726, 11727, 11729, 11730, 11731, 11733, 11735, 11738, 11739, 11740, 11741, 11742, 11743, 11746, 11747, 11749, 11751, 11752, 11754, 11755, 11757, 11763, 11764, 11766, 11767, 11768, 11769, 11770, 11772, 11776, 11777, 11778, 11779, 11780, 11782, 11784, 11786, 11787, 11788, 11789, 11790, 11792, 11794, 11795, 11796, 11798, 11901, 11930, 11931, 11932, 11933, 11934, 11935, 11937, 11939, 11940, 11941, 11942, 11944, 11946, 11947, 11948, 11949, 11950, 11951, 11952, 11953, 11954, 11955, 11956, 11957, 11958, 11959, 11960, 11961, 11962, 11963, 11964, 11965, 11967, 11968, 11970, 11971, 11972, 11973, 11975, 11976, 11977, 11978, 11980
Unified School Districts:
Amagansett, Amityville, Babylon, Bay Shore, Bayport-Blue Point, Brentwood, Bridgehampton, Brookhaven-Comsewogue, Center Moriches, Central Islip, Cold Spring Harbor, Commack, Connetquot, Copiague, Deer Park, East Hampton, East Islip, East Moriches, East Quogue, Eastport-South Manor, Elwood, Farmingdale, Fire Island, Fishers Island, Greenport, Half Hollow Hills, Hampton Bays, Harborfields, Hauppauge, Huntington, Islip, Kings Park, Lindenhurst, Longwood, Mattituck-Cutchogue, Middle Country, Miller Place, Montauk, Mount Sinai, New Suffolk Common, North Babylon, Northport-East Northport, Oysterponds, Patchogue-Medford, Port Jefferson, Quogue, Remsenburg-Speonk, Riverhead, Rocky Point, Sachem, Sag Harbor, Sagaponack Common, Sayville, Shelter Island, Shoreham-Wading River, Smithtown, South Country, South Huntington, Southampton, Southold, Springs, Three Village, Tuckahoe Common, Wainscott Common, West Babylon, West Islip, Westhampton Beach, William Floyd, Wyandanch
Congressional Districts:
NY-1, NY-2, NY-3
State Senate Districts:
NY-1, NY-2, NY-3, NY-4, NY-5, NY-8
Assembly Districts:
NY-1, NY-2, NY-3, NY-4, NY-5, NY-6, NY-7, NY-8, NY-9, NY-10, NY-11, NY-12
Neighboring Counties:
Fairfield, Middlesex, Nassau, New Haven, New London, Washington
Nearby Counties:
Hartford