Age and Sex in San Juan County, Washington (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Washington.
Scope: population of Washington, San Juan County, and other counties in Washington
San Juan County
Washington
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-44732.946%2.95%4202.616%2.62%7974.964%4.96%1,2387.711%7.71%1,0436.496%6.50%7684.783%4.78%1,0406.477%6.48%6934.316%4.32%1,5889.890%9.89%1,2217.605%7.60%8935.562%5.56%9625.992%5.99%5623.500%3.50%6403.986%3.99%6093.793%3.79%3402.118%2.12%980.610%0.61%1210.754%0.75%2721.694%1.69%4692.921%2.92%6413.992%3.99%6954.329%4.33%4732.946%2.95%
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 Washington and San Juan County
Female Male
Washington
San Juan County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.400508%-0.018858%-0.176998%-0.035915%-0.419366%0.42%0.400508%0.176998%0.400508%0.40%4,73929.515%29.5%-0.745889%-0.101893%-0.653828%-0.008116%-0.847783%0.85%0.745889%0.653828%0.745889%0.75%6,39739.842%39.8%-0.365388%-0.013494%-0.682200%-0.378882%0.38%0.365388%0.682200%0.031627%0.365388%0.37%2,15113.397%13.4%-0.359679%-0.631766%-0.359679%0.36%0.359679%0.045154%0.631766%0.050147%0.404833%0.40%4913.058%3.06%-0.385456%-0.017301%-0.615603%-0.402757%0.40%0.385456%0.615603%0.029112%0.385456%0.39%2,27814.188%14.2%
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 Washington and San Juan County
Female Male
Washington
San Juan County
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.070067%-0.043987%-0.039248%-0.032648%-0.114054%0.11%0.070067%0.039248%0.070067%0.07%4732.946%2.95%-0.244145%-0.034878%-0.142369%-0.045544%-0.279023%0.28%0.244145%0.142369%0.244145%0.24%4202.616%2.62%-0.484554%-0.206457%-0.039569%-0.484554%0.48%0.484554%0.023667%0.206457%0.508221%0.51%7974.964%4.96%-0.727454%-0.325448%-0.030753%-0.727454%0.73%0.727454%0.087195%0.325448%0.814649%0.81%1,2387.711%7.71%-1.058794%-0.433117%-0.044318%-1.058794%1.06%1.058794%0.047750%0.433117%1.106544%1.11%1,0436.496%6.50%-1.071251%-0.249128%-0.536614%-0.029145%-1.320379%1.32%1.071251%0.536614%1.071251%1.07%7684.783%4.78%-1.073327%-0.012456%-0.575011%-0.034402%-1.085783%1.09%1.073327%0.575011%1.073327%1.07%1,0406.477%6.48%-0.884405%-0.389263%-0.624743%-0.049236%-1.273667%1.27%0.884405%0.624743%0.884405%0.88%6934.316%4.32%-0.914300%-0.149477%-0.666306%-0.025491%-1.063777%1.06%0.914300%0.666306%0.914300%0.91%1,5889.890%9.89%-0.726208%-0.068510%-0.689871%-0.006074%-0.794718%0.79%0.726208%0.689871%0.726208%0.73%1,2217.605%7.60%-0.525660%-0.061036%-0.649315%-0.586697%0.59%0.525660%0.649315%0.009851%0.525660%0.53%8935.562%5.56%-0.565521%-0.067265%-0.637422%-0.632785%0.63%0.565521%0.637422%0.021470%0.565521%0.57%9625.992%5.99%-0.323866%-0.649864%-0.323866%0.32%0.323866%0.052317%0.649864%0.014186%0.376183%0.38%5623.500%3.50%-0.393622%-0.009965%-0.702366%-0.403587%0.40%0.393622%0.702366%0.025856%0.393622%0.39%6403.986%3.99%-0.369955%-0.018685%-0.706964%-0.388640%0.39%0.369955%0.706964%0.039762%0.369955%0.37%6093.793%3.79%-0.292725%-0.120412%-0.661210%-0.413137%0.41%0.292725%0.661210%0.056755%0.292725%0.29%3402.118%2.12%-0.217987%-0.665432%-0.217987%0.22%0.217987%0.174390%0.665432%0.051915%0.392377%0.39%980.610%0.61%-0.336323%-0.080967%-0.674452%-0.417289%0.42%0.336323%0.674452%0.062928%0.336323%0.34%1210.754%0.75%-0.401719%-0.593590%-0.401719%0.40%0.401719%0.043597%0.593590%0.042873%0.445316%0.45%2721.694%1.69%-0.456735%-0.612372%-0.456735%0.46%0.456735%0.060206%0.612372%0.036127%0.516941%0.52%4692.921%2.92%-0.396114%-0.613258%-0.396114%0.40%0.396114%0.006228%0.613258%0.021176%0.402342%0.40%6413.992%3.99%-0.402342%-0.061036%-0.617753%-0.463378%0.46%0.402342%0.617753%0.033086%0.402342%0.40%6954.329%4.33%-0.272795%-0.043597%-0.617736%-0.316393%0.32%0.272795%0.617736%0.028867%0.272795%0.27%4732.946%2.95%
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 Washington and San Juan County
More Females More Males
Washington
San Juan County
50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-62.777778%-83.184366%-62.777778%62.8%0.6140.6161.945%61.9%38.055%38.1%-14.285714%-31.990070%-14.285714%14.3%0.8750.8853.333%53.3%46.667%46.7%-19.165925%4.884319%4.884319%4.9%1.0491.0548.808%48.8%51.192%51.2%-9.449421%11.986301%11.986301%12.0%1.1201.1247.173%47.2%52.827%52.8%-10.232305%4.509804%4.509804%4.5%1.0451.0548.897%48.9%51.103%51.1%-23.255814%-5.431360%-23.255814%23.3%0.8110.8155.208%55.2%44.792%44.8%-1.160542%-5.982920%-1.160542%1.2%0.9890.9950.288%50.3%49.712%49.7%-44.014085%-7.880921%-44.014085%44.0%0.6940.6959.019%59.0%40.981%41.0%-16.348774%-3.825686%-16.348774%16.3%0.8590.8653.778%53.8%46.222%46.2%-9.433962%-0.880407%-9.433962%9.4%0.9140.9152.252%52.3%47.748%47.7%-11.611374%-11.611374%11.6%1.517190%0.8960.9052.744%52.7%47.256%47.3%-11.894273%-11.894273%11.9%3.368245%0.8940.8952.807%52.8%47.193%47.2%16.153846%2.182927%16.153846%16.2%1.1621.1646.263%46.3%53.737%53.7%-2.531646%-2.531646%2.5%3.681204%0.9750.9850.625%50.6%49.375%49.4%-5.050505%-5.050505%5.1%5.624283%0.9520.9551.232%51.2%48.768%48.8%-41.134752%-41.134752%41.1%8.583443%0.7090.7158.529%58.5%41.471%41.5%80.000000%7.801644%80.000000%80.0%1.8001.8035.714%35.7%64.286%64.3%-24.074074%-24.074074%24.1%9.330259%0.8060.8155.372%55.4%44.628%44.6%10.852713%7.222732%10.852713%10.9%1.1091.1147.426%47.4%52.574%52.6%13.181818%5.899555%13.181818%13.2%1.1321.1346.908%46.9%53.092%53.1%1.572327%3.453014%1.572327%1.6%1.0161.0249.610%49.6%50.390%50.4%-15.170279%-15.170279%15.2%5.355811%0.8680.8753.525%53.5%46.475%46.5%-15.981735%-15.981735%16.0%4.673017%0.8620.8653.700%53.7%46.300%46.3%
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 San Juan County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
13.22%13.54%13.86%14.17%14.49%14.81%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
1.41%1.89%2.37%2.85%3.32%3.81%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
5.68%5.80%5.91%6.03%6.14%6.25%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.50%6.78%7.06%7.33%7.60%7.88%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
7.9%9.2%10.4%11.6%12.8%14.0%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
16.84%17.05%17.26%17.46%17.67%17.88%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
20.1%21.2%22.2%23.3%24.3%25.4%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
10.4%11.3%12.3%13.2%14.1%15.1%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
5.17%5.34%5.49%5.65%5.81%5.97%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in San Juan County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
12.4%13.6%14.7%15.8%17.0%18.1%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1.4%2.1%2.7%3.4%4.1%4.8%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.2%5.0%5.7%6.5%7.2%8.0%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
6.50%6.96%7.41%7.86%8.31%8.77%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
7.9%9.5%11.1%12.6%14.2%15.8%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
16.55%16.96%17.37%17.78%18.19%18.60%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
15.1%17.2%19.2%21.3%23.3%25.4%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
7.9%9.3%10.8%12.2%13.6%15.1%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
5.17%5.34%5.50%5.66%5.83%6.00%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in San Juan County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
6.8%10.4%14.0%17.5%21.0%24.6%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.5%2.0%3.5%4.9%6.4%7.8%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1.6%3.6%5.6%7.6%9.5%11.6%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
5.3%6.8%8.1%9.5%10.9%12.3%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
6.6%8.9%11.1%13.3%15.6%17.9%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
12.6%14.8%17.0%19.2%21.3%23.6%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
12.1%15.8%19.4%23.0%26.7%30.3%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
3.8%6.6%9.4%12.1%14.8%17.6%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
2.8%4.2%5.5%6.9%8.2%9.6%
Road Data ©OpenStreetMap

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Age Cohorts by Place in San Juan County

There is 1 place in San Juan County. This section compares all 1 of those to each other, San Juan County, and other entities that contain or substantially overlap with San Juan County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of San Juan County, selected places in San Juan County, and entities that contain San Juan County
0%5%10%15%20%Count#WestPacificUnited States of AmericaUnited StatesWashingtonFriday HarborSan Juan CountySan Juan23.760486%23.760486%23.8%17,834,66617.8M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M22.685733%22.685733%22.7%1,604,5951.60M20.061593%20.061593%20.1%456114.187843%14.187843%14.2%2,278
Count number of children
# rank of place out of 1 by %

Age Cohorts by County Subdivision in San Juan County

There are 3 county subdivisions in San Juan County. This section compares all 3 of those to each other, San Juan County, and other entities that contain or substantially overlap with San Juan County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of San Juan County, selected county subdivisions in San Juan County, and entities that contain San Juan County
0%5%10%15%20%Count#WestPacificUnited States of AmericaUnited StatesWashingtonLopezSan Juan IslandSan Juan IsSan Juan CountySan JuanOrcas23.760486%23.760486%23.8%17,834,66617.8M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M22.685733%22.685733%22.7%1,604,5951.60M14.806071%14.806071%14.8%439114.629702%14.629702%14.6%1,124214.187843%14.187843%14.2%2,27813.221154%13.221154%13.2%7153
Count number of children
# rank of county subdivision out of 3 by %

Age Cohorts by County in Washington

There are 39 counties in Washington. This section compares San Juan County to all of the counties in Washington and to those entities that contain or substantially overlap with San Juan County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of San Juan County, selected other counties in Washington, and entities that contain San Juan County
0%10%20%30%Count#Adams CountyAdamsFranklin CountyFranklinGrant CountyGrantYakima CountyYakimaBenton CountyBentonDouglas CountyDouglasClark CountyClarkGarfield CountyGarfieldChelan CountyChelanPierce CountyPierceWestPacificSnohomish CountySnohomishOkanogan CountyOkanoganUnited States of AmericaUnited StatesCowlitz CountyCowlitzWashingtonSkagit CountySkagitSpokane CountySpokaneStevens CountyStevensThurston CountyThurstonLewis CountyLewisLincoln CountyLincolnWalla Walla CountyWalla WallaSkamania CountySkamaniaKitsap CountyKitsapGrays Harbor CountyGrays HarborKing CountyKingAsotin CountyAsotinKlickitat CountyKlickitatPend Oreille CountyPend OreilleWhatcom CountyWhatcomMason CountyMasonIsland CountyIslandFerry CountyFerryColumbia CountyColumbiaKittitas CountyKittitasClallam CountyClallamPacific CountyPacificWahkiakum CountyWahkiakumWhitman CountyWhitmanSan Juan CountySan JuanJefferson CountyJefferson35.172775%35.172775%35.2%6,718133.475686%33.475686%33.5%29,39529.4k230.162110%30.162110%30.2%27,90927.9k329.986959%29.986959%30.0%74,27274.3k426.817549%26.817549%26.8%50,28850.3k526.470662%26.470662%26.5%10,61510.6k625.209307%25.209307%25.2%113,667114k724.204393%24.204393%24.2%540824.190420%24.190420%24.2%18,08518.1k924.018365%24.018365%24.0%200,048200k1023.760486%23.760486%23.8%17,834,66617.8M23.336041%23.336041%23.3%12,102,10512.1M23.175540%23.175540%23.2%175,821176k1123.138575%23.138575%23.1%9,5561223.108006%23.108006%23.1%73,612,43873.6M23.062788%23.062788%23.1%23,72123.7k1322.685733%22.685733%22.7%1,604,5951.60M22.496784%22.496784%22.5%27,10327.1k1422.458368%22.458368%22.5%109,116109k1522.327634%22.327634%22.3%9,7671622.079073%22.079073%22.1%58,79958.8k1722.012836%22.012836%22.0%16,66916.7k1821.702499%21.702499%21.7%2,2411921.444933%21.444933%21.4%12,82612.8k2021.076352%21.076352%21.1%2,3852121.050690%21.050690%21.1%54,20354.2k2221.046425%21.046425%21.0%14,99215.0k2320.896492%20.896492%20.9%434,553435k2420.802243%20.802243%20.8%4,6002520.487339%20.487339%20.5%4,2882620.267672%20.267672%20.3%2,6352720.088781%20.088781%20.1%42,13242.1k2819.466099%19.466099%19.5%11,88611.9k2918.993172%18.993172%19.0%15,21615.2k3018.785181%18.785181%18.8%1,4353118.685470%18.685470%18.7%7423217.800631%17.800631%17.8%7,6163317.663665%17.663665%17.7%12,88912.9k3417.369715%17.369715%17.4%3,6033516.267588%16.267588%16.3%6593615.111382%15.111382%15.1%7,1773714.187843%14.187843%14.2%2,2783813.681469%13.681469%13.7%4,15039
Count number of children
# rank of county out of 39 by %

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares San Juan County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with San Juan 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 San Juan County, selected other counties in the United States, and entities that contain San Juan 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 CountyClarkWestFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsPacificHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookWashingtonSt. Louis CountySt. LouisSan Diego CountySan DiegoSuffolk CountySuffolkHennepin CountyHennepinPhiladelphia CountyPhiladelphiaNassau CountyNassauOakland CountyOaklandPima CountyPimaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaAlameda CountyAlamedaKing CountyKingMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensPalm Beach CountyPalm BeachAllegheny CountyAlleghenyNew York CountyNew YorkSan Juan CountySan Juan28.888866%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%493,981494k1723.760486%23.760486%23.8%17,834,66617.8M23.668593%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%608,369608k2223.336041%23.336041%23.3%12,102,10512.1M23.197227%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%1,186,3981.19M3122.685733%22.685733%22.7%1,604,5951.60M22.432138%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%271,499271k4221.443331%21.443331%21.4%344,212344k4320.896492%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%239,355239k5014.187843%14.187843%14.2%2,278
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.

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Towns:
Friday Harbor
ZIP Codes:
98221, 98222, 98243, 98245, 98250, 98261, 98279, 98280, 98286, 98297
Unified School Districts:
Lopez, Orcas Island, San Juan Island, Shaw Island
Congressional District:
WA-2
State Senate District:
WA-40
State House District:
WA-40
Neighboring Counties:
Clallam, Island, Jefferson, Skagit, Whatcom