Age and Sex in Jefferson County, Mississippi (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Mississippi.
Scope: population of Mississippi, Jefferson County, and other counties in Mississippi
Jefferson County
Mississippi
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%2.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41912.537%2.54%931.235%1.24%1501.993%1.99%2022.683%2.68%1682.232%2.23%2463.268%3.27%1992.643%2.64%2753.653%3.65%6408.502%8.50%4816.389%6.39%3674.875%4.88%4325.739%5.74%4315.725%5.73%6448.555%8.55%4185.553%5.55%3404.516%4.52%150.199%0.20%660.877%0.88%4105.446%5.45%3084.091%4.09%4445.898%5.90%4165.526%5.53%5927.864%7.86%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Mississippi and Jefferson County
Female Male
Mississippi
Jefferson County
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%Senior2Older Adult3Younger Adult4College5Children6-0.177855%-0.031733%-0.170718%-0.055022%-0.209588%0.21%0.177855%0.170718%0.177855%0.18%1,05013.948%13.9%-0.606801%-0.058448%-0.613003%-0.047949%-0.665250%0.67%0.606801%0.613003%0.606801%0.61%2,39431.801%31.8%-0.653117%-0.636781%-0.014749%-0.653117%0.65%0.653117%0.046493%0.636781%0.699610%0.70%1,83324.349%24.3%-0.624336%-0.766637%-0.624336%0.62%0.624336%0.381908%0.766637%0.014962%1.006243%1.01%4916.522%6.52%-0.632454%-0.033947%-0.668798%-0.666401%0.67%0.632454%0.668798%0.023297%0.632454%0.63%1,76023.379%23.4%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Mississippi and Jefferson County
Female Male
Mississippi
Jefferson County
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.035700%-0.087175%-0.030826%-0.040170%-0.122875%0.1%0.035700%0.030826%0.035700%0.0%1912.537%2.54%-0.090329%-0.136853%-0.074154%-0.090329%0.1%0.090329%0.066419%0.136853%0.156748%0.2%931.235%1.24%-0.180659%-0.220347%-0.072394%-0.180659%0.2%0.180659%0.037194%0.220347%0.217853%0.2%1501.993%1.99%-0.217853%-0.100956%-0.314714%-0.069818%-0.318810%0.3%0.217853%0.314714%0.217853%0.2%2022.683%2.68%-0.252391%-0.239107%-0.422199%-0.057842%-0.491498%0.5%0.252391%0.422199%0.252391%0.3%1682.232%2.23%-0.577843%-0.513232%-0.041366%-0.577843%0.6%0.577843%0.478215%0.513232%1.056057%1.1%2463.268%3.27%-0.420652%-0.039851%-0.542008%-0.059303%-0.460503%0.5%0.420652%0.542008%0.420652%0.4%1992.643%2.64%-0.358661%-1.109192%-0.578133%-0.050867%-1.467853%1.5%0.358661%0.578133%0.358661%0.4%2753.653%3.65%-0.685441%-0.629387%-0.065369%-0.685441%0.7%0.685441%0.329437%0.629387%1.014878%1.0%6408.502%8.50%-0.451647%-0.374601%-0.650136%-0.052991%-0.826249%0.8%0.451647%0.650136%0.451647%0.5%4816.389%6.39%-0.393199%-0.607816%-0.036920%-0.393199%0.4%0.393199%0.188629%0.607816%0.581828%0.6%3674.875%4.88%-0.557917%-0.621218%-0.028536%-0.557917%0.6%0.557917%0.031881%0.621218%0.589798%0.6%4325.739%5.74%-0.377258%-0.390542%-0.588647%-0.036619%-0.767800%0.8%0.377258%0.588647%0.377258%0.4%4315.725%5.73%-0.595112%-0.634666%-0.023946%-0.595112%0.6%0.595112%0.520723%0.634666%1.115834%1.1%6448.555%8.55%-0.470244%-0.170032%-0.652190%-0.009039%-0.640276%0.6%0.470244%0.652190%0.470244%0.5%4185.553%5.55%-0.580057%-0.667338%-0.580057%0.6%0.580057%0.345377%0.667338%0.027510%0.925434%0.9%3404.516%4.52%-0.000000%-0.772215%-0.038940%0.000000%0.0%0.000000%0.199256%0.772215%0.199256%0.2%150.199%0.20%-0.305526%-0.781415%-0.305526%0.3%0.305526%0.265675%0.781415%0.056570%0.571201%0.6%660.877%0.88%-1.095909%-0.736988%-1.095909%1.1%1.095909%0.531350%0.736988%0.021109%1.627258%1.6%4105.446%5.45%-0.633192%-0.679147%-0.633192%0.6%0.633192%0.097414%0.679147%0.022726%0.730606%0.7%3084.091%4.09%-0.560574%-0.058448%-0.682753%-0.619022%0.6%0.560574%0.682753%0.026863%0.560574%0.6%4445.898%5.90%-0.475558%-0.680411%-0.475558%0.5%0.475558%0.154091%0.680411%0.030175%0.629649%0.6%4165.526%5.53%-0.648247%-0.276302%-0.637022%-0.924548%0.9%0.648247%0.637022%0.013194%0.648247%0.6%5927.864%7.86%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Mississippi and Jefferson County
More Females More Males
Mississippi
Jefferson County
300%200%100%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-242018-1915-1710-145-90-4-244.186047%-130.312691%-244.186047%244.2%0.2910.2977.487%77.5%22.513%22.5%-54.185000%73.529412%73.529412%73.5%1.7351.7436.559%36.6%63.441%63.4%-32.854584%20.588235%20.588235%20.6%1.2061.2145.333%45.3%54.667%54.7%-46.341463%-22.184663%-46.341463%46.3%0.6830.6859.406%59.4%40.594%40.6%-94.736842%-13.700114%-94.736842%94.7%0.5140.5166.071%66.1%33.929%33.9%-8.059838%82.758621%82.758621%82.8%1.8281.8335.366%35.4%64.634%64.6%-9.473684%-10.941261%-9.473684%9.5%0.9130.9152.261%52.3%47.739%47.7%-309.259259%-8.798426%-309.259259%309.3%0.2440.2480.364%80.4%19.636%19.6%-10.386104%48.062016%48.062016%48.1%1.4811.4840.313%40.3%59.688%59.7%-82.941176%-8.150748%-82.941176%82.9%0.5470.5564.657%64.7%35.343%35.3%-6.074149%47.972973%47.972973%48.0%1.4801.4840.327%40.3%59.673%59.7%-4.593579%5.714286%5.714286%5.7%1.0571.0648.611%48.6%51.389%51.4%-103.521127%-6.220803%-103.521127%103.5%0.4910.4967.053%67.1%32.947%32.9%-3.773048%87.500000%87.500000%87.5%1.8751.8834.783%34.8%65.217%65.2%-36.158192%-1.385982%-36.158192%36.2%0.7340.7357.656%57.7%42.344%42.3%59.541985%4.122385%59.541985%59.5%1.5951.6038.529%38.5%61.471%61.5%86.956522%7.239490%86.956522%87.0%1.8701.8734.848%34.8%65.152%65.2%48.484848%2.864276%48.484848%48.5%1.4851.4840.244%40.2%59.756%59.8%15.384615%3.346305%15.384615%15.4%1.1541.1546.429%46.4%53.571%53.6%-10.426540%-10.426540%10.4%3.934577%0.9060.9152.477%52.5%47.523%47.5%32.402235%4.434873%32.402235%32.4%1.3241.3243.029%43.0%56.971%57.0%-42.622951%-42.622951%42.6%2.071233%0.7010.7058.784%58.8%41.216%41.2%

Map of Age Cohorts by County Subdivision in Jefferson County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
10.7%13.5%16.4%19.2%22.0%24.8%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%3.5%7.0%10.5%14.0%17.6%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%2.7%5.4%8.0%10.7%13.5%

30s Age Cohorts by County Subdivision#8

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

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0%6%11%17%22%28%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
11.9%14.3%16.6%19.0%21.3%23.7%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
6%12%18%25%31%37%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%2.9%5.8%8.7%11.6%14.5%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%3.0%6.0%9.0%12.0%15.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Jefferson County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
16.7%18.5%20.2%21.9%23.6%25.3%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.9%3.9%4.8%5.7%6.6%7.6%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
7.2%9.8%12.3%14.9%17.4%20.0%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
11.5%14.0%16.4%18.8%21.2%23.7%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
10.42%10.59%10.76%10.93%11.09%11.26%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
7.7%9.6%11.4%13.3%15.1%17.0%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
10.54%10.86%11.19%11.51%11.83%12.16%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
4.526%4.565%4.603%4.642%4.680%4.719%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
2.56%2.87%3.18%3.50%3.81%4.13%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Jefferson County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
15.7%19.2%22.7%26.2%29.7%33.2%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%2.8%5.7%8.5%11.3%14.2%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%4.0%8.0%12.0%16.0%20.0%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%6%13%19%26%33%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0.0%3.6%7.2%10.8%14.4%18.0%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
7.7%12.7%17.7%22.7%27.7%32.8%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
6%12%18%25%31%37%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
2.1%4.6%7.1%9.5%12.0%14.5%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%3.0%6.0%9.0%12.0%15.1%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Jefferson County

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

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Jefferson County, selected places in Jefferson County, and entities that contain Jefferson County
0%5%10%15%20%25%Count#FayetteMississippiSouthJefferson County School DistrictJefferson CoJefferson CountyJeffersonEast South CentralUnited States of AmericaUnited States25.754527%25.754527%25.8%384124.496085%24.496085%24.5%732,235732k23.464217%23.464217%23.5%28,099,74328.1M23.379384%23.379384%23.4%1,76023.379384%23.379384%23.4%1,76023.131757%23.131757%23.1%4,346,5394.35M23.108006%23.108006%23.1%73,612,43873.6M

Age Cohorts by County Subdivision in Jefferson County

There are 5 county subdivisions in Jefferson County. This section compares all 5 of those to each other, Jefferson County, and other entities that contain or substantially overlap with Jefferson County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Jefferson County, selected county subdivisions in Jefferson County, and entities that contain Jefferson County
0%5%10%15%20%Count#Jefferson District 22Jefferson District 33MississippiSouthJefferson County School DistrictJefferson CoJefferson CountyJeffersonEast South CentralUnited States of AmericaUnited StatesJefferson District 44Jefferson District 55Jefferson District 1124.776119%24.776119%24.8%249124.720185%24.720185%24.7%1,281224.496085%24.496085%24.5%732,235732k23.464217%23.464217%23.5%28,099,74328.1M23.379384%23.379384%23.4%1,76023.379384%23.379384%23.4%1,76023.131757%23.131757%23.1%4,346,5394.35M23.108006%23.108006%23.1%73,612,43873.6M20.477816%20.477816%20.5%120318.498660%18.498660%18.5%69410.732984%10.732984%10.7%415

Age Cohorts by County in Mississippi

There are 82 counties in Mississippi. This section compares Jefferson County to the 50 most populous counties in Mississippi and to those entities that contain or substantially overlap with Jefferson County. The least populous of the compared counties has a population of 19,085.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Jefferson County, selected other counties in Mississippi, and entities that contain Jefferson County
0%10%20%Count#Leake CountyLeakeNeshoba CountyNeshobaCoahoma CountyCoahomaLeflore CountyLeflorePontotoc CountyPontotocDeSoto CountyDeSotoPike CountyPikeScott CountyScottWashington CountyWashingtonGeorge CountyGeorgePanola CountyPanolaLee CountyLeeMadison CountyMadisonLamar CountyLamarJones CountyJonesAttala CountyAttalaNewton CountyNewtonUnion CountyUnionWayne CountyWayneSimpson CountySimpsonBolivar CountyBolivarWarren CountyWarrenHinds CountyHindsCovington CountyCovingtonTippah CountyTippahLincoln CountyLincolnMississippiRankin CountyRankinClay CountyClayTate CountyTateHarrison CountyHarrisonJackson CountyJacksonYazoo CountyYazooLauderdale CountyLauderdaleMarion CountyMarionCopiah CountyCopiahAlcorn CountyAlcornLowndes CountyLowndesGrenada CountyGrenadaSunflower CountySunflowerSouthMonroe CountyMonroeJefferson County School DistrictJefferson CoJefferson CountyJeffersonPearl River CountyPearl RiverForrest CountyForrestEast South CentralPrentiss CountyPrentissUnited States of AmericaUnited StatesHancock CountyHancockAdams CountyAdamsItawamba CountyItawambaMarshall CountyMarshallTishomingo CountyTishomingoLafayette CountyLafayetteOktibbeha CountyOktibbeha28.342966%28.342966%28.3%6,522128.302911%28.302911%28.3%8,342227.761651%27.761651%27.8%6,886327.708197%27.708197%27.7%8,451426.855032%26.855032%26.9%8,288526.784481%26.784481%26.8%45,77245.8k626.693207%26.693207%26.7%10,66110.7k726.669733%26.669733%26.7%7,539826.626249%26.626249%26.6%13,00013.0k926.371552%26.371552%26.4%6,1481025.906932%25.906932%25.9%8,8911125.859218%25.859218%25.9%22,05322.1k1225.604425%25.604425%25.6%26,06326.1k1325.503581%25.503581%25.5%15,20615.2k1425.466602%25.466602%25.5%17,39717.4k1525.465025%25.465025%25.5%4,8601625.401810%25.401810%25.4%5,5001725.363536%25.363536%25.4%7,0991825.349710%25.349710%25.3%5,2011925.235529%25.235529%25.2%6,8842025.122713%25.122713%25.1%8,4452125.093030%25.093030%25.1%12,00312.0k2225.030663%25.030663%25.0%61,22461.2k2324.965390%24.965390%25.0%4,8692424.817551%24.817551%24.8%5,4752524.807587%24.807587%24.8%8,6062624.496085%24.496085%24.5%732,235732k24.394646%24.394646%24.4%36,08736.1k2724.385765%24.385765%24.4%4,9132824.384219%24.384219%24.4%6,9102924.342046%24.342046%24.3%48,33648.3k3024.324459%24.324459%24.3%34,26134.3k3124.282983%24.282983%24.3%6,7313224.077089%24.077089%24.1%19,07719.1k3323.944208%23.944208%23.9%6,1803423.919388%23.919388%23.9%6,8843523.895039%23.895039%23.9%8,9153623.870536%23.870536%23.9%14,27114.3k3723.812622%23.812622%23.8%5,1243823.515898%23.515898%23.5%6,4493923.464217%23.464217%23.5%28,099,74328.1M23.395043%23.395043%23.4%8,4294023.379384%23.379384%23.4%1,76023.379384%23.379384%23.4%1,76023.238530%23.238530%23.2%12,82012.8k4123.138946%23.138946%23.1%17,64917.6k4223.131757%23.131757%23.1%4,346,5394.35M23.114566%23.114566%23.1%5,8574323.108006%23.108006%23.1%73,612,43873.6M22.453724%22.453724%22.5%10,33510.3k4422.335969%22.335969%22.3%7,0914522.334227%22.334227%22.3%5,2514622.248315%22.248315%22.2%8,0534722.232477%22.232477%22.2%4,3364818.115456%18.115456%18.1%9,4554917.582551%17.582551%17.6%8,69050

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Jefferson County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Jefferson 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 Jefferson County, selected other counties in the United States, and entities that contain Jefferson County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMississippiMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaSouthJefferson County School DistrictJefferson CoJefferson CountyJeffersonKings CountyKingsHillsborough CountyHillsboroughEast South CentralUnited 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 CountyCuyahogaAlameda CountyAlamedaKing 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%248,637249k1224.496085%24.496085%24.5%732,235732k24.468076%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%260,665261k2123.464217%23.464217%23.5%28,099,74328.1M23.379384%23.379384%23.4%1,76023.379384%23.379384%23.4%1,76023.337305%23.337305%23.3%608,369608k2223.197227%23.197227%23.2%306,913307k2323.131757%23.131757%23.1%4,346,5394.35M23.108006%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%271,499271k4221.443331%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%239,355239k50

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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