Age and Sex in New London County, Connecticut (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Connecticut.
Scope: population of Connecticut, New London County, and other counties in Connecticut
New London County
Connecticut
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-46,0052.207%2.21%5,3911.982%1.98%7,6552.814%2.81%10,04410.0k3.692%3.69%8,1022.978%2.98%6,6122.431%2.43%10,26210.3k3.772%3.77%7,7402.845%2.85%20,13020.1k7.400%7.40%21,37921.4k7.859%7.86%19,32619.3k7.104%7.10%16,65116.7k6.121%6.12%14,77914.8k5.433%5.43%16,46716.5k6.053%6.05%18,17318.2k6.680%6.68%11,74511.7k4.317%4.32%4,6961.726%1.73%4,0741.498%1.50%7,5592.779%2.78%10,28210.3k3.780%3.78%15,98016.0k5.874%5.87%15,08815.1k5.546%5.55%13,89313.9k5.107%5.11%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Connecticut and New London County
Female Male
Connecticut
New London County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.199261%-0.048820%-0.184428%-0.060766%-0.248081%0.25%0.199261%0.184428%0.199261%0.20%43,80943.8k16.104%16.1%-0.689284%-0.025497%-0.683656%-0.043723%-0.714781%0.71%0.689284%0.683656%0.689284%0.69%95,48895.5k35.102%35.1%-0.587551%-0.601648%-0.587551%0.59%0.587551%0.074011%0.601648%0.012671%0.661562%0.66%61,16461.2k22.484%22.5%-0.647164%-0.712073%-0.647164%0.65%0.647164%0.206317%0.712073%0.028730%0.853481%0.85%16,32916.3k6.003%6.00%-0.553956%-0.585394%-0.553956%0.55%0.553956%0.020279%0.585394%0.026922%0.574236%0.57%55,24355.2k20.307%20.3%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Connecticut and New London County
Female Male
Connecticut
New London County
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.048983%-0.040000%-0.049811%-0.053515%-0.088983%0.09%0.048983%0.049811%0.048983%0.05%6,0052.207%2.21%-0.162774%-0.070800%-0.160599%-0.077557%-0.233575%0.23%0.162774%0.160599%0.162774%0.16%5,3911.982%1.98%-0.239897%-0.083005%-0.221436%-0.067576%-0.322902%0.32%0.239897%0.221436%0.239897%0.24%7,6552.814%2.81%-0.367308%-0.321850%-0.059857%-0.367308%0.37%0.367308%0.003823%0.321850%0.371131%0.37%10,04410.0k3.692%3.69%-0.461096%-0.070580%-0.430664%-0.060238%-0.531676%0.53%0.461096%0.430664%0.461096%0.46%8,1022.978%2.98%-0.568681%-0.077932%-0.515512%-0.062838%-0.646613%0.65%0.568681%0.515512%0.568681%0.57%6,6122.431%2.43%-0.628233%-0.000980%-0.564793%-0.050949%-0.629213%0.63%0.628233%0.564793%0.628233%0.63%10,26210.3k3.772%3.77%-0.679146%-0.064330%-0.636632%-0.066837%-0.743476%0.74%0.679146%0.636632%0.679146%0.68%7,7402.845%2.85%-0.731161%-0.017645%-0.719133%-0.031834%-0.748806%0.75%0.731161%0.719133%0.731161%0.73%20,13020.1k7.400%7.40%-0.776082%-0.019630%-0.764661%-0.045584%-0.795712%0.80%0.776082%0.764661%0.776082%0.78%21,37921.4k7.859%7.86%-0.689402%-0.042054%-0.712540%-0.042881%-0.731455%0.73%0.689402%0.712540%0.689402%0.69%19,32619.3k7.104%7.10%-0.601177%-0.021836%-0.628417%-0.041014%-0.623013%0.62%0.601177%0.628417%0.601177%0.60%16,65116.7k6.121%6.12%-0.540890%-0.004779%-0.569291%-0.013604%-0.545669%0.55%0.540890%0.569291%0.540890%0.54%14,77914.8k5.433%5.43%-0.595810%-0.603884%-0.008064%-0.595810%0.60%0.595810%0.019042%0.603884%0.614852%0.61%16,46716.5k6.053%6.05%-0.609852%-0.601242%-0.609852%0.61%0.609852%0.116383%0.601242%0.025392%0.726235%0.73%18,17318.2k6.680%6.68%-0.606422%-0.616411%-0.606422%0.61%0.606422%0.226321%0.616411%0.069824%0.832742%0.83%11,74511.7k4.317%4.32%-0.657641%-0.673137%-0.657641%0.66%0.657641%0.410980%0.673137%0.052556%1.068620%1.07%4,6961.726%1.73%-0.652127%-0.712930%-0.652127%0.65%0.652127%0.193359%0.712930%0.011202%0.845486%0.85%4,0741.498%1.50%-0.639444%-0.731113%-0.639444%0.64%0.639444%0.110465%0.731113%0.025581%0.749909%0.75%7,5592.779%2.78%-0.623944%-0.659186%-0.623944%0.62%0.623944%0.012008%0.659186%0.035372%0.635952%0.64%10,28210.3k3.780%3.78%-0.563240%-0.623413%-0.563240%0.56%0.563240%0.048376%0.623413%0.026902%0.611617%0.61%15,98016.0k5.874%5.87%-0.550374%-0.008528%-0.572975%-0.558903%0.56%0.550374%0.572975%0.027537%0.550374%0.55%15,08815.1k5.546%5.55%-0.497734%-0.515520%-0.497734%0.50%0.497734%0.025953%0.515520%0.021256%0.523686%0.52%13,89313.9k5.107%5.11%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Connecticut and New London County
More Females More Males
Connecticut
New London County
100%50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-81.660413%-107.437063%-81.660413%81.7%0.5500.5564.496%64.5%35.504%35.5%-43.495935%-48.292615%-43.495935%43.5%0.6970.7058.932%58.9%41.068%41.1%-34.600061%-30.516964%-34.600061%34.6%0.7430.7457.374%57.4%42.626%42.6%-18.597725%1.040833%1.040833%1.0%1.0101.0149.741%49.7%50.259%50.3%-15.306936%-13.987145%-15.306936%15.3%0.8670.8753.555%53.6%46.445%46.4%-13.703943%-12.189519%-13.703943%13.7%0.8790.8853.206%53.2%46.794%46.8%-0.156037%-9.020788%-0.156037%0.2%0.9981.0050.039%50.0%49.961%50.0%-9.472260%-10.498556%-9.472260%9.5%0.9130.9152.261%52.3%47.739%47.7%-2.413273%-4.426775%-2.413273%2.4%0.9760.9850.596%50.6%49.404%49.4%-2.529367%-5.961283%-2.529367%2.5%0.9750.9850.624%50.6%49.376%49.4%-6.100032%-6.017990%-6.100032%6.1%0.9430.9451.480%51.5%48.520%48.5%-3.632139%-6.526482%-3.632139%3.6%0.9650.9650.892%50.9%49.108%49.1%-0.883512%-2.389693%-0.883512%0.9%0.9910.9950.220%50.2%49.780%49.8%-1.335438%3.195953%3.195953%3.2%1.0321.0349.214%49.2%50.786%50.8%19.083785%4.223211%19.083785%19.1%1.1911.1945.645%45.6%54.355%54.4%37.320671%11.327436%37.320671%37.3%1.3731.3742.137%42.1%57.863%57.9%62.493013%7.807584%62.493013%62.5%1.6251.6238.096%38.1%61.904%61.9%29.650507%1.571295%29.650507%29.7%1.2971.3043.544%43.5%56.456%56.5%17.275079%3.498942%17.275079%17.3%1.1731.1746.025%46.0%53.975%54.0%1.924588%5.365950%1.924588%1.9%1.0191.0249.523%49.5%50.477%50.5%8.588957%4.315293%8.588957%8.6%1.0861.0947.941%47.9%52.059%52.1%-1.549559%-1.549559%1.5%4.806046%0.9850.9850.384%50.4%49.616%49.6%5.214180%4.123288%5.214180%5.2%1.0521.0548.730%48.7%51.270%51.3%

Map of Age Cohorts by County Subdivision in New London County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
16.5%18.3%20.0%21.7%23.4%25.2%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.9%3.9%6.9%9.9%12.8%15.9%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
3.3%6.0%8.6%11.2%13.8%16.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
5.5%7.4%9.4%11.3%13.2%15.2%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
10.7%11.9%13.1%14.3%15.5%16.8%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
11.4%13.5%15.4%17.4%19.4%21.4%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
7.8%10.6%13.3%16.0%18.8%21.5%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
4.2%6.3%8.4%10.5%12.6%14.8%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.6%2.8%4.0%5.1%6.3%7.5%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in New London County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
0%7%13%19%26%33%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0%14%27%41%54%68%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
3%8%13%18%23%29%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
3.8%7.6%11.4%15.2%19.0%22.8%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
0.0%4.2%8.4%12.7%16.9%21.2%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
0.0%4.3%8.5%12.8%17.1%21.4%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
0.2%4.7%9.1%13.5%17.9%22.4%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.0%2.9%5.9%8.8%11.8%14.8%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.0%2.9%5.8%8.8%11.7%14.7%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in New London County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%9%18%27%36%46%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%16%33%49%65%82%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%7%14%21%28%35%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%6%11%17%22%28%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%6%12%18%24%30%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%6%13%19%26%33%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%6%12%18%23%30%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0%6%13%19%26%33%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%4.3%8.6%12.8%17.1%21.4%
Road Data ©OpenStreetMap

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Age Cohorts by Place in New London County

There are 20 places in New London County. This section compares all 20 of those to each other, New London County, and other entities that contain or substantially overlap with New London County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of New London County, selected places in New London County, and entities that contain New London County
0%10%20%Count#Jewett CityMashantucketGales FerryPawcatuckConning Towers Nautilus ParkConning Towers N…BalticPoquonock BridgePoquonock BrgUnited States of AmericaUnited StatesNorwichGrotonColchesterConnecticutNortheastNew EnglandOld MysticNorwich and New London Metro AreaNorwich AreaNew London CountyNew LondonOxoboxo RiverNew LondonWaterfordNoankLong HillNianticMysticStoningtonGroton Long PointGroton Long Pt29.904376%29.904376%29.9%1,032129.004329%29.004329%29.0%67225.472637%25.472637%25.5%256324.936783%24.936783%24.9%1,282423.932959%23.932959%23.9%2,299523.730298%23.730298%23.7%271623.572076%23.572076%23.6%520723.108006%23.108006%23.1%73,612,43873.6M22.430536%22.430536%22.4%8,985821.904762%21.904762%21.9%2,024921.810056%21.810056%21.8%9761021.558782%21.558782%21.6%773,652774k21.341491%21.341491%21.3%11,965,27112.0M20.620396%20.620396%20.6%3,024,7813.02M20.570085%20.570085%20.6%7001120.307463%20.307463%20.3%55,24355.2k20.307463%20.307463%20.3%55,24355.2k19.729542%19.729542%19.7%5691219.391579%19.391579%19.4%5,2781316.451196%16.451196%16.5%5091415.828481%15.828481%15.8%2991512.998655%12.998655%13.0%5801612.886259%12.886259%12.9%3921710.846498%10.846498%10.8%460187.605344%7.605344%7.6%74197.547170%7.547170%7.5%3620

Age Cohorts by County Subdivision in New London County

There are 22 county subdivisions in New London County. This section compares all 22 of those to each other, New London County, and other entities that contain or substantially overlap with New London County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of New London County, selected county subdivisions in New London County, and entities that contain New London County
0%5%10%15%20%25%Count#Town of SalemTown of GriswoldGriswoldTown of ColchesterColchesterUnited States of AmericaUnited StatesTown of NorwichNorwichTown of LedyardLedyardConnecticutTown of North StoningtonN StoningtonNortheastNew EnglandTown of Old LymeOld LymeNorwich and New London Metro AreaNorwich AreaNew London CountyNew LondonTown of LebanonLebanonTown of GrotonGrotonTown of LisbonLisbonTown of SpragueSpragueTown of New LondonNew LondonTown of PrestonPrestonTown of WaterfordWaterfordTown of FranklinFranklinTown of VoluntownVoluntownTown of StoningtonStoningtonTown of MontvilleMontvilleTown of East LymeE LymeTown of BozrahBozrahTown of Lyme25.137923%25.137923%25.1%1,048124.020932%24.020932%24.0%2,846223.746276%23.746276%23.7%3,826323.108006%23.108006%23.1%73,612,43873.6M22.430536%22.430536%22.4%8,985422.108209%22.108209%22.1%3,318521.558782%21.558782%21.6%773,652774k21.493556%21.493556%21.5%1,134621.341491%21.341491%21.3%11,965,27112.0M20.620396%20.620396%20.6%3,024,7813.02M20.480170%20.480170%20.5%1,544720.307463%20.307463%20.3%55,24355.2k20.307463%20.307463%20.3%55,24355.2k20.181843%20.181843%20.2%1,465819.578503%19.578503%19.6%7,785919.500347%19.500347%19.5%8431019.478320%19.478320%19.5%5751119.391579%19.391579%19.4%5,2781218.999152%18.999152%19.0%8961318.890958%18.890958%18.9%3,6521418.778626%18.778626%18.8%3691518.600155%18.600155%18.6%4811618.293013%18.293013%18.3%3,3801718.272238%18.272238%18.3%3,5641818.088647%18.088647%18.1%3,4241916.647488%16.647488%16.6%4342016.555184%16.555184%16.6%39621

Age Cohorts by County in Connecticut

There are 8 counties in Connecticut. This section compares New London County to all of the counties in Connecticut and to those entities that contain or substantially overlap with New London County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of New London County, selected other counties in Connecticut, and entities that contain New London County
0%5%10%15%20%Count#Fairfield CountyFairfieldUnited States of AmericaUnited StatesHartford CountyHartfordConnecticutNortheastNew Haven CountyNew HavenWindham CountyWindhamNew EnglandNorwich and New London Metro AreaNorwich AreaNew London CountyNew LondonLitchfield CountyLitchfieldMiddlesex CountyMiddlesexTolland CountyTolland23.577077%23.577077%23.6%222,006222k123.108006%23.108006%23.1%73,612,43873.6M21.724374%21.724374%21.7%194,585195k221.558782%21.558782%21.6%773,652774k21.341491%21.341491%21.3%11,965,27112.0M21.104715%21.104715%21.1%181,685182k320.727208%20.727208%20.7%24,26724.3k420.620396%20.620396%20.6%3,024,7813.02M20.307463%20.307463%20.3%55,24355.2k20.307463%20.307463%20.3%55,24355.2k519.486770%19.486770%19.5%36,07836.1k619.240686%19.240686%19.2%31,63931.6k718.557048%18.557048%18.6%28,14928.1k8

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares New London County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with New London 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 New London County, selected other counties in the United States, and entities that contain New London 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 CountyOaklandPima CountyPimaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaConnecticutAlameda CountyAlamedaNortheastKing CountyKingNew EnglandMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensNorwich and New London Metro AreaNorwich AreaNew London CountyNew LondonPalm 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%273,247273k3821.856045%21.856045%21.9%219,290219k3921.601744%21.601744%21.6%213,209213k4021.598472%21.598472%21.6%402,548403k4121.569623%21.569623%21.6%271,499271k4221.558782%21.558782%21.6%773,652774k21.443331%21.443331%21.4%344,212344k4321.341491%21.341491%21.3%11,965,27112.0M20.896492%20.896492%20.9%434,553435k4420.620396%20.620396%20.6%3,024,7813.02M20.604500%20.604500%20.6%548,990549k4520.568254%20.568254%20.6%322,430322k4620.470812%20.470812%20.5%472,878473k4720.307463%20.307463%20.3%55,24355.2k20.307463%20.307463%20.3%55,24355.2k19.641010%19.641010%19.6%274,730275k4819.092867%19.092867%19.1%234,911235k4914.639548%14.639548%14.6%239,355239k50

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.

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