Age and Sex in San Marcos, Hays County, Texas (Census County Division)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Hays County.
Scope: population of Hays County, San Marcos, and other county subdivisions in Hays County
San Marcos
Hays County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0%1%2%3%4%5%6%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-47541.137%1.14%6310.952%0.95%1,0191.537%1.54%1,4382.169%2.17%9381.415%1.41%7891.190%1.19%1,3602.052%2.05%8391.266%1.27%2,3543.551%3.55%2,4803.741%3.74%2,8294.268%4.27%2,8924.363%4.36%2,7424.136%4.14%4,0366.088%6.09%6,80310.262%10.3%8,75013.199%13.2%3,9645.980%5.98%4,6386.996%7.00%6,2219.384%9.38%1,9332.916%2.92%2,5843.898%3.90%3,0124.544%4.54%3,2854.955%4.96%
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 Hays County and San Marcos
Female Male
Hays County
San Marcos
Shaded bar tips show excess over facing bar.
3%2%1%0%1%2%3%Count%Senior2Older Adult3Younger Adult4College5Children6-0.093192%-0.046973%-0.127979%-0.022918%-0.140165%0.1%0.093192%0.127979%0.093192%0.1%5,5698.401%8.40%-0.372539%-0.024498%-0.559396%-0.022985%-0.397037%0.4%0.372539%0.559396%0.372539%0.4%12,75412.8k19.239%19.2%-0.824060%-0.703727%-0.824060%0.8%0.824060%0.223342%0.703727%0.081978%1.047402%1.0%22,33122.3k33.686%33.7%-2.209953%-1.170219%-1.227879%-0.296064%-3.380172%3.4%2.209953%1.227879%2.209953%2.2%14,82314.8k22.361%22.4%-0.433023%-0.040227%-0.643350%-0.473250%0.5%0.433023%0.643350%0.024354%0.433023%0.4%10,81410.8k16.313%16.3%
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 Hays County and San Marcos
Female Male
Hays County
San Marcos
Shaded bar tips show excess over facing bar.
4%3%2%1%0%1%2%3%4%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.021779%-0.027530%-0.020532%-0.009828%-0.049309%0.0%0.021779%0.020532%0.021779%0.0%7541.137%1.14%-0.057926%-0.074520%-0.089829%-0.039421%-0.132446%0.1%0.057926%0.089829%0.057926%0.1%6310.952%0.95%-0.111026%-0.085381%-0.137221%-0.055685%-0.196407%0.2%0.111026%0.137221%0.111026%0.1%1,0191.537%1.54%-0.200631%-0.032584%-0.242452%-0.037267%-0.233214%0.2%0.200631%0.242452%0.200631%0.2%1,4382.169%2.17%-0.206665%-0.058329%-0.351669%-0.264993%0.3%0.206665%0.351669%0.007540%0.206665%0.2%9381.415%1.41%-0.269267%-0.056569%-0.426796%-0.014271%-0.325836%0.3%0.269267%0.426796%0.269267%0.3%7891.190%1.19%-0.333379%-0.017096%-0.421680%-0.350475%0.4%0.333379%0.421680%0.048469%0.333379%0.3%1,3602.052%2.05%-0.308488%-0.517540%-0.067856%-0.308488%0.3%0.308488%0.015839%0.517540%0.324328%0.3%8391.266%1.27%-0.327043%-0.056116%-0.512370%-0.066779%-0.383159%0.4%0.327043%0.512370%0.327043%0.3%2,3543.551%3.55%-0.361437%-0.025343%-0.560193%-0.037160%-0.386780%0.4%0.361437%0.560193%0.361437%0.4%2,4803.741%3.74%-0.394925%-0.063659%-0.590998%-0.003016%-0.458584%0.5%0.394925%0.590998%0.394925%0.4%2,8294.268%4.27%-0.422984%-0.644314%-0.009909%-0.422984%0.4%0.422984%0.026550%0.644314%0.449533%0.4%2,8924.363%4.36%-0.396736%-0.033790%-0.613401%-0.430526%0.4%0.396736%0.613401%0.029620%0.396736%0.4%2,7424.136%4.14%-0.499615%-0.656054%-0.499615%0.5%0.499615%0.218431%0.656054%0.030912%0.718046%0.7%4,0366.088%6.09%-0.847777%-0.665748%-0.847777%0.8%0.847777%0.356911%0.665748%0.104477%1.204688%1.2%6,80310.262%10.3%-1.981164%-0.997024%-1.981164%2.0%1.981164%0.437465%0.997024%0.216854%2.418629%2.4%8,75013.199%13.2%-2.682114%-0.615468%-1.232188%-0.335513%-3.297582%3.3%2.682114%1.232188%2.682114%2.7%3,9645.980%5.98%-2.778658%-1.439109%-1.442220%-0.556316%-4.217767%4.2%2.778658%1.442220%2.778658%2.8%4,6386.996%7.00%-1.689520%-1.313150%-1.118555%-0.146215%-3.002670%3.0%1.689520%1.118555%1.689520%1.7%6,2219.384%9.38%-0.461098%-0.607298%-0.461098%0.5%0.461098%0.049781%0.607298%0.063548%0.510879%0.5%1,9332.916%2.92%-0.378935%-0.611462%-0.378935%0.4%0.378935%0.021722%0.611462%0.063764%0.400658%0.4%2,5843.898%3.90%-0.380142%-0.148436%-0.686535%-0.026819%-0.528579%0.5%0.380142%0.686535%0.380142%0.4%3,0124.544%4.54%-0.471557%-0.047970%-0.626865%-0.519528%0.5%0.471557%0.626865%0.012602%0.471557%0.5%3,2854.955%4.96%
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 Hays County and San Marcos
More Females More Males
Hays County
San Marcos
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-126.406926%-47.868852%-126.406926%126.4%0.4420.4469.363%69.4%30.637%30.6%-128.645833%-43.884892%-128.645833%128.6%0.4370.4469.572%69.6%30.428%30.4%-76.902174%-40.580848%-76.902174%76.9%0.5650.5763.886%63.9%36.114%36.1%-16.240602%-15.370946%-16.240602%16.2%0.8600.8653.755%53.8%46.245%46.2%-28.223844%-28.223844%28.2%2.143951%0.7800.7856.183%56.2%43.817%43.8%-21.008403%-3.343849%-21.008403%21.0%0.8260.8354.753%54.8%45.247%45.2%-5.128205%-5.128205%5.1%11.494253%0.9510.9551.250%51.2%48.750%48.8%-13.111342%5.134474%5.134474%5.1%1.0511.0548.749%48.7%51.251%51.3%-17.158672%-13.033424%-17.158672%17.2%0.8540.8553.951%54.0%46.049%46.0%-7.011686%-6.633340%-7.011686%7.0%0.9340.9351.694%51.7%48.306%48.3%-16.119175%-0.510297%-16.119175%16.1%0.8610.8653.729%53.7%46.271%46.3%-1.537947%6.276748%6.276748%6.3%1.0631.0648.479%48.5%51.521%51.5%-8.517110%-8.517110%8.5%4.828797%0.9220.9252.042%52.0%47.958%48.0%43.719807%4.711870%43.719807%43.7%1.4371.4441.031%41.0%58.969%59.0%42.099644%15.693254%42.099644%42.1%1.4211.4241.305%41.3%58.695%58.7%22.081218%21.750090%22.081218%22.1%1.2211.2245.029%45.0%54.971%55.0%-22.947132%-27.229021%-22.947132%22.9%0.8130.8155.146%55.1%44.854%44.9%-51.791531%-38.573562%-51.791531%51.8%0.6590.6660.285%60.3%39.715%39.7%-77.723214%-13.071738%-77.723214%77.7%0.5630.5663.993%64.0%36.007%36.0%10.796074%10.464085%10.796074%10.8%1.1081.1147.439%47.4%52.561%52.6%5.732484%10.428043%5.732484%5.7%1.0571.0648.607%48.6%51.393%51.4%-39.047619%-3.906495%-39.047619%39.0%0.7190.7258.167%58.2%41.833%41.8%-10.172745%-10.172745%10.2%2.010309%0.9080.9152.420%52.4%47.580%47.6%
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 Neighborhood in San Marcos

Children Age Cohorts by Neighborhood#5

Percentage of population aged 0 to 17 (%):
3.5%8.0%12.5%17.0%21.5%26.1%

College Age Cohorts by Neighborhood#6

Percentage of population aged 18 to 21 (%):
2%13%24%35%46%57%

20s Age Cohorts by Neighborhood#7

Percentage of population aged 22 to 29 (%):
2%12%21%31%40%50%

30s Age Cohorts by Neighborhood#8

Percentage of population aged 30 to 39 (%):
1.5%5.6%9.7%13.7%17.7%21.8%

40s Age Cohorts by Neighborhood#9

Percentage of population aged 40 to 49 (%):
0.0%4.5%9.0%13.5%17.9%22.5%

50s Age Cohorts by Neighborhood#10

Percentage of population aged 50 to 59 (%):
2.7%5.7%8.6%11.5%14.5%17.5%

60s Age Cohorts by Neighborhood#11

Percentage of population aged 60 to 69 (%):
1.3%5.7%10.1%14.5%18.9%23.4%

70s Age Cohorts by Neighborhood#12

Percentage of population aged 70 to 79 (%):
0.1%3.9%7.8%11.6%15.5%19.4%

80+ Age Cohorts by Neighborhood#13

Percentage of population aged 80 and older (%):
0.0%1.2%2.4%3.6%4.8%6.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in San Marcos

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
1.5%5.9%10.3%14.8%19.2%23.6%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
3%20%36%52%68%84%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
6%12%18%24%31%37%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
2.1%5.0%7.9%10.8%13.7%16.6%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
1.7%4.5%7.2%10.0%12.7%15.5%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
1.9%4.1%6.3%8.4%10.6%12.8%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
1.0%3.4%5.8%8.2%10.6%13.0%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.5%2.2%3.8%5.5%7.2%8.9%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.4%1.1%1.8%2.5%3.2%3.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in San Marcos

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%10%19%28%37%46%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
1%21%40%59%78%97%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1%12%22%33%43%55%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0.0%5.0%10.0%14.9%19.9%24.9%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0.0%4.5%9.0%13.4%17.9%22.5%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0.0%4.1%8.2%12.2%16.3%20.4%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0.0%4.7%9.3%14.0%18.7%23.4%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%3.9%7.7%11.6%15.4%19.4%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%1.2%2.4%3.6%4.8%6.1%
Road Data ©OpenStreetMap

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Age Cohorts by Neighborhood in San Marcos

There are 31 neighborhoods that are fully or partially contained within San Marcos (30 fully and 1 partially). This section compares all 31 of those to each other, San Marcos, and other entities that contain or substantially overlap with San Marcos.

Children by Neighborhood#32

Percentage of population aged 0 to 17 (%):
Scope: population of San Marcos, selected neighborhoods in San Marcos, and entities that contain San Marcos
0%5%10%15%20%25%Count#TexasOak Heights NeighborhoodOak HeightsSouthwest Hills NeighborhoodSW HlsWest South CentralAustin and Round Rock Metro AreaAustin AreaBlanco Gardens NeighborhoodBlanco GdnsHays CountyHaysSouthUnited States of AmericaUnited StatesWallace Addition NeighborhoodWallace AddnCastle Forest NeighborhoodCastle ForestRio Vista NeighborhoodRio VistaMillview West NeighborhoodMillview WestHills of Hays NeighborhoodHills of HaysCottonwood Creek NeighborhoodCottonwood CrkEl Camino Real NeighborhoodEl Camino RealEast Guadalupe NeighborhoodE GuadalupeVictory Gardens NeighborhoodVictory GdnsBlanco River North NeighborhoodBlanco Riv NSunset Acres NeighborhoodSunset AcresMockingbird Hills NeighborhoodMockingbird HlsDunbar NeighborhoodDunbarSan MarcosWestover NeighborhoodWestoverHughson Heights NeighborhoodHughson HtsHeritage NeighborhoodHeritageFiarlawn NeighborhoodFiarlawnTwo Rivers East NeighborhoodTwo Rivers EMillview East NeighborhoodMillview EastHunter's Hill NeighborhoodHunter's HillWillow Creek NeighborhoodWillow CreekDowntown NeighborhoodDowntownTanglewood NeighborhoodTanglewoodSpring Lake Hills NeighborhoodSpg Lk HlsForest Hills NeighborhoodForest HillsSierra Circle NeighborhoodSierra CircleHolland Hills NeighborhoodHolland HillsSessom Creek NeighborhoodSessom Creek26.459270%26.459270%26.5%7,132,4767.13M26.043738%26.043738%26.0%173125.859876%25.859876%25.9%325326225.766046%25.766046%25.8%9,906,0579.91M24.241293%24.241293%24.2%470,915471k23.829229%23.829229%23.8%842843323.598979%23.598979%23.6%43,82043.8k23.464217%23.464217%23.5%28,099,74328.1M23.108006%23.108006%23.1%73,612,43873.6M22.850925%22.850925%22.9%101102422.700000%22.700000%22.7%251522.584356%22.584356%22.6%174622.288456%22.288456%22.3%301302721.265085%21.265085%21.3%1361371021.265085%21.265085%21.3%359360821.265085%21.265085%21.3%138139919.451182%19.451182%19.5%731119.331656%19.331656%19.3%2911218.268720%18.268720%18.3%271317.141089%17.141089%17.1%2882891417.141089%17.141089%17.1%1481516.880121%16.880121%16.9%1931616.312923%16.312923%16.3%10,81410.8k15.768763%15.768763%15.8%1651661713.913116%13.913116%13.9%3723731813.421982%13.421982%13.4%1521912.220968%12.220968%12.2%3663672011.661952%11.661952%11.7%1212111.509880%11.509880%11.5%3702211.428507%11.428507%11.4%22232311.179850%11.179850%11.2%8889249.255657%9.255657%9.3%8788258.086651%8.086651%8.1%132266.631759%6.631759%6.6%7276.408308%6.408308%6.4%50284.608501%4.608501%4.6%3294.101637%4.101637%4.1%26303.501388%3.501388%3.5%242531
Count number of children
# rank of neighborhood out of 31 by %

Age Cohorts by County Subdivision in the Austin Area

There are 20 county subdivisions in the Austin Area. This section compares San Marcos to all of the county subdivisions in the Austin Area and to those entities that contain or substantially overlap with San Marcos.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of San Marcos, selected other county subdivisions in the Austin Area, and entities that contain San Marcos
0%10%20%Count#Cedar Park-Liberty HillCedar Pk-Liberty HlKyle-BudaNortheast TravisNE TravisElginCedar Creek-Red RockCedar Crk-Red RockTaylorTexasRound Rock-GeorgetownRound Rock-Geor…LockhartNorthwest TravisNW TravisWest South CentralSouthwest TravisSW TravisJarrellAustin and Round Rock Metro AreaAustin AreaHays CountyHaysSouthDripping Springs-WimberleyDripping Spgs-Wi…SmithvilleUnited States of AmericaUnited StatesLulingFlorenceBastropAustinMartindaleSan MarcosGranger29.969107%29.969107%30.0%37,25137.3k129.756019%29.756019%29.8%23,95324.0k228.752860%28.752860%28.8%34,68434.7k327.863207%27.863207%27.9%4,693427.856799%27.856799%27.9%8,108527.556537%27.556537%27.6%17,83917.8k626.459270%26.459270%26.5%7,132,4767.13M26.125339%26.125339%26.1%71,46971.5k725.923731%25.923731%25.9%6,125825.771887%25.771887%25.8%27,61227.6k925.766046%25.766046%25.8%9,906,0579.91M25.709131%25.709131%25.7%15,81615.8k1025.307183%25.307183%25.3%2,1421124.241293%24.241293%24.2%470,915471k23.598979%23.598979%23.6%43,82043.8k23.464217%23.464217%23.5%28,099,74328.1M23.274289%23.274289%23.3%9,0531223.166596%23.166596%23.2%2,1861323.108006%23.108006%23.1%73,612,43873.6M22.800809%22.800809%22.8%1,8041422.688000%22.688000%22.7%3,5451522.313436%22.313436%22.3%5,1101621.692326%21.692326%21.7%186,313186k1721.145746%21.145746%21.1%1,7571816.312923%16.312923%16.3%10,81410.8k1916.293849%16.293849%16.3%64120
Count number of children
# rank of county subdivision out of 20 by %

Age Cohorts by County Subdivision in Texas

There are 862 county subdivisions in Texas. This section compares San Marcos to the 50 most populous county subdivisions in Texas and to those entities that contain or substantially overlap with San Marcos. The least populous of the compared county subdivisions has a population of 107,140.

Children by County Subdivision#50

Percentage of population aged 0 to 17 (%):
Scope: population of San Marcos, selected other county subdivisions in Texas, and entities that contain San Marcos
0%10%20%30%Count#MissionSoutheast HidalgoSE HidalgoEl Paso EastEdinburgFulshear-SimontonBrownsvilleMcAllen-PharrLaredoHarlingen-San BenitoPasadenaKilleenSan Antonio WestSan Antonio WMcKinneyCedar Park-Liberty HillCedar Pk-Liberty HlOdessaSouthwest DallasSW DallasNorthwest HarrisNW HarrisNortheast TravisNE TravisAlvin-PearlandStafford-Missouri CityStafford-Missouri …AmarilloFort WorthSoutheast MontgomerySE MontgomeryLewisville-Flower MoundLewisville-Flower …MidlandNortheast TarrantNE TarrantHoustonTexasArlingtonSan Antonio NortheastSan Antonio NESan Antonio CentralSan Antonio CntrlTexas City-League CityTexas City-League …El PasoRound Rock-GeorgetownRound Rock-Geor…Northwest TravisNW TravisWest South CentralNortheast DallasNE DallasPlanoCorpus ChristiSugar LandBeaumontSan Antonio NorthwestSan Antonio NWAmarilloWacoAbileneSan Antonio NorthSan Antonio NAustin and Round Rock Metro AreaAustin AreaPort ArthurLubbockHays CountyHaysSouthUnited States of AmericaUnited StatesCarrolltonWichita FallsAustinBryan-College StationBryan-College Stat…San Marcos35.075570%35.075570%35.1%58,55258.6k134.508668%34.508668%34.5%45,28445.3k233.991296%33.991296%34.0%62,09762.1k333.444132%33.444132%33.4%57,75357.8k433.070248%33.070248%33.1%48,47948.5k532.867579%32.867579%32.9%70,63970.6k632.037136%32.037136%32.0%90,79190.8k731.560574%31.560574%31.6%49,81349.8k830.788016%30.788016%30.8%45,13445.1k930.281714%30.281714%30.3%43,99644.0k1030.146359%30.146359%30.1%53,22453.2k1130.098335%30.098335%30.1%56,68656.7k1229.996867%29.996867%30.0%72,76772.8k1329.969107%29.969107%30.0%37,25137.3k1429.214444%29.214444%29.2%36,56136.6k1528.849273%28.849273%28.8%278,686279k1628.832103%28.832103%28.8%215,729216k1728.752860%28.752860%28.8%34,68434.7k1828.719835%28.719835%28.7%56,84056.8k1928.065898%28.065898%28.1%41,78941.8k2027.665979%27.665979%27.7%32,17032.2k2127.641788%27.641788%27.6%235,492235k2227.628590%27.628590%27.6%101,198101k2327.315634%27.315634%27.3%69,79869.8k2427.263942%27.263942%27.3%37,24237.2k2526.987978%26.987978%27.0%154,609155k2626.725236%26.725236%26.7%882,854883k2726.459270%26.459270%26.5%7,132,4767.13M26.356116%26.356116%26.4%137,765138k2826.245880%26.245880%26.2%65,77965.8k2926.202297%26.202297%26.2%183,823184k3026.161060%26.161060%26.2%62,31862.3k3126.125729%26.125729%26.1%143,291143k3226.125339%26.125339%26.1%71,46971.5k3325.771887%25.771887%25.8%27,61227.6k3425.766046%25.766046%25.8%9,906,0579.91M25.730246%25.730246%25.7%398,059398k3525.541202%25.541202%25.5%139,787140k3625.524881%25.524881%25.5%78,52578.5k3725.427919%25.427919%25.4%70,04470.0k3825.184367%25.184367%25.2%29,40329.4k3925.138338%25.138338%25.1%76,82176.8k4024.879785%24.879785%24.9%27,68127.7k4124.643866%24.643866%24.6%46,48446.5k4224.557352%24.557352%24.6%29,98630.0k4324.520123%24.520123%24.5%83,26283.3k4424.241293%24.241293%24.2%470,915471k23.990295%23.990295%24.0%27,09227.1k4523.868766%23.868766%23.9%65,52065.5k4623.598979%23.598979%23.6%43,82043.8k23.464217%23.464217%23.5%28,099,74328.1M23.108006%23.108006%23.1%73,612,43873.6M22.851319%22.851319%22.9%28,81328.8k4722.368578%22.368578%22.4%24,42024.4k4821.692326%21.692326%21.7%186,313186k4918.890730%18.890730%18.9%23,14723.1k5016.312923%16.312923%16.3%10,81410.8k
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the South

There are 8,483 county subdivisions in the South. This section compares San Marcos to the 50 most populous county subdivisions in the South and to those entities that contain or substantially overlap with San Marcos. The least populous of the compared county subdivisions has a population of 245,874.

Children by County Subdivision#59

Percentage of population aged 0 to 17 (%):
Scope: population of San Marcos, selected other county subdivisions in the South, and entities that contain San Marcos
0%10%20%30%Count#McAllen-PharrSouthwest DallasSW DallasNorthwest HarrisNW HarrisFort WorthSoutheast MontgomerySE MontgomeryRoswell-AlpharettaLewisville-Flower MoundLewisville-Flower …Northeast TarrantNE TarrantHoustonTexasArlingtonSan Antonio NortheastSan Antonio NESan Antonio CentralSan Antonio CntrlEl PasoRound Rock-GeorgetownRound Rock-Geor…West South CentralNortheast DallasNE DallasPlanoCorpus ChristiSugar LandTulsaOklahoma City SouthwestOklahoma City SWSan Antonio NorthwestSan Antonio NWJacksonville WestJacksonville WTownship 1:Charlotte1, CharlotteSan Antonio NorthSan Antonio NAustin and Round Rock Metro AreaAustin AreaLubbockHays CountyHaysGreenvilleSouthUnited States of AmericaUnited StatesMiramar-Pembroke PinesMiramar-Pembrok…BirminghamVirginia BeachVirginia BchAtlanta-DecaturMontgomery District 1313LakelandOrlandoPlantationTampaAustinJacksonville EastJacksonville EBaltimoreNew OrleansAtlantaKendale Lakes-TamiamiKendale Lks-Tami…MiamiFort LauderdaleHialeahBradentonSt. PetersburgWashingtonClearwaterNaplesSan MarcosBoynton Beach-Delray BeachBoynton Bch-Delra…32.037136%32.037136%32.0%90,79190.8k128.849273%28.849273%28.8%278,686279k228.832103%28.832103%28.8%215,729216k327.641788%27.641788%27.6%235,492235k427.628590%27.628590%27.6%101,198101k527.351115%27.351115%27.4%75,84375.8k627.315634%27.315634%27.3%69,79869.8k726.987978%26.987978%27.0%154,609155k826.725236%26.725236%26.7%882,854883k926.459270%26.459270%26.5%7,132,4767.13M26.356116%26.356116%26.4%137,765138k1026.245880%26.245880%26.2%65,77965.8k1126.202297%26.202297%26.2%183,823184k1226.125729%26.125729%26.1%143,291143k1326.125339%26.125339%26.1%71,46971.5k1425.766046%25.766046%25.8%9,906,0579.91M25.730246%25.730246%25.7%398,059398k1525.541202%25.541202%25.5%139,787140k1625.524881%25.524881%25.5%78,52578.5k1725.427919%25.427919%25.4%70,04470.0k1825.334430%25.334430%25.3%150,050150k1925.303497%25.303497%25.3%113,179113k2025.138338%25.138338%25.1%76,82176.8k2124.755416%24.755416%24.8%79,60579.6k2224.540635%24.540635%24.5%198,493198k2324.520123%24.520123%24.5%83,26283.3k2424.241293%24.241293%24.2%470,915471k23.868766%23.868766%23.9%65,52065.5k2523.598979%23.598979%23.6%43,82043.8k23.510827%23.510827%23.5%66,30566.3k2623.464217%23.464217%23.5%28,099,74328.1M23.108006%23.108006%23.1%73,612,43873.6M23.069820%23.069820%23.1%69,70569.7k2722.947194%22.947194%22.9%104,158104k2822.855339%22.855339%22.9%102,788103k2922.674970%22.674970%22.7%84,32384.3k3022.603366%22.603366%22.6%59,81859.8k3122.404646%22.404646%22.4%58,40658.4k3222.237882%22.237882%22.2%129,541130k3321.714616%21.714616%21.7%60,50360.5k3421.700117%21.700117%21.7%144,592145k3521.692326%21.692326%21.7%186,313186k3621.646923%21.646923%21.6%94,43694.4k3721.123671%21.123671%21.1%131,178131k3820.554317%20.554317%20.6%78,70778.7k3919.876571%19.876571%19.9%115,302115k4019.592871%19.592871%19.6%76,51876.5k4119.544858%19.544858%19.5%188,182188k4219.355452%19.355452%19.4%58,07758.1k4319.223285%19.223285%19.2%68,95269.0k4418.987774%18.987774%19.0%46,68646.7k4517.600725%17.600725%17.6%69,13669.1k4617.402645%17.402645%17.4%114,685115k4717.193778%17.193778%17.2%55,97456.0k4817.046045%17.046045%17.0%43,26943.3k4916.312923%16.312923%16.3%10,81410.8k15.904381%15.904381%15.9%51,26351.3k50
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares San Marcos to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with San Marcos. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#68

Percentage of population aged 0 to 17 (%):
Scope: population of San Marcos, selected other county subdivisions in the United States, and entities that contain San Marcos
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeTexasSan Antonio CentralSan Antonio CntrlEl PasoWest South CentralNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixOntarioTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…Austin and Round Rock Metro AreaAustin AreaSacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasHays CountyHaysOceanside-EscondidoOceanside-Escond…SouthBrooklynUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueensAtlantaMiamiSeattleWashingtonBostonSan MarcosManhattanSan Francisco28.994345%28.994345%29.0%243,195243k128.849273%28.849273%28.8%278,686279k228.832103%28.832103%28.8%215,729216k328.397448%28.397448%28.4%196,566197k427.641788%27.641788%27.6%235,492235k527.496527%27.496527%27.5%270,755271k626.987978%26.987978%27.0%154,609155k726.725236%26.725236%26.7%882,854883k826.475933%26.475933%26.5%158,504159k926.459270%26.459270%26.5%7,132,4767.13M26.202297%26.202297%26.2%183,823184k1026.125729%26.125729%26.1%143,291143k1125.766046%25.766046%25.8%9,906,0579.91M25.730246%25.730246%25.7%398,059398k1225.573137%25.573137%25.6%367,431367k1325.541202%25.541202%25.5%139,787140k1425.334430%25.334430%25.3%150,050150k1525.218343%25.218343%25.2%172,353172k1624.820142%24.820142%24.8%790,766791k1724.651051%24.651051%24.7%158,701159k1824.540635%24.540635%24.5%198,493198k1924.485581%24.485581%24.5%415,583416k2024.241293%24.241293%24.2%470,915471k24.105398%24.105398%24.1%270,060270k2124.003737%24.003737%24.0%138,756139k2223.974603%23.974603%24.0%448,315448k2323.598979%23.598979%23.6%43,82043.8k23.555887%23.555887%23.6%155,230155k2423.464217%23.464217%23.5%28,099,74328.1M23.337305%23.337305%23.3%608,369608k2523.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2622.866327%22.866327%22.9%401,701402k2722.814001%22.814001%22.8%218,249218k2822.721955%22.721955%22.7%133,247133k2922.597144%22.597144%22.6%185,081185k3022.467309%22.467309%22.5%172,708173k3122.237882%22.237882%22.2%129,541130k3222.168125%22.168125%22.2%345,809346k3321.982996%21.982996%22.0%523,203523k3421.913385%21.913385%21.9%594,733595k3521.700117%21.700117%21.7%144,592145k3621.692326%21.692326%21.7%186,313186k3721.633042%21.633042%21.6%398,263398k3821.517750%21.517750%21.5%188,032188k3921.123671%21.123671%21.1%131,178131k4020.884750%20.884750%20.9%537,723538k4120.705017%20.705017%20.7%137,337137k4220.470812%20.470812%20.5%472,878473k4319.876571%19.876571%19.9%115,302115k4419.544858%19.544858%19.5%188,182188k4517.999155%17.999155%18.0%187,875188k4617.402645%17.402645%17.4%114,685115k4716.549062%16.549062%16.5%108,939109k4816.312923%16.312923%16.3%10,81410.8k14.639548%14.639548%14.6%239,355239k4913.481174%13.481174%13.5%114,628115k50
Count number of children
# rank of county subdivision 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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State:
Texas
County:
Hays
Metro Area:
Austin Area
Cities:
San Marcos, Wimberley
ZIP Codes:
78656, 78666
Unified School Districts:
Hays, San Marcos, Wimberley
Neighborhoods:
Blanco Gardens, Blanco River North, Castle Forest, Cottonwood Creek, Downtown, Dunbar, East Guadalupe, El Camino Real, Fiarlawn, Forest Hills, Heritage, Hills of Hays, Holland Hills, Hughson Heights, Hunter's Hill, Millview East, Millview West, Mockingbird Hills, Oak Heights, Rio Vista, Sessom Creek, Sierra Circle, Southwest Hills, Spring Lake Hills, Sunset Acres, Tanglewood, Two Rivers East, Victory Gardens, Wallace Addition, Westover, Willow Creek
Congressional Districts:
TX-21, TX-25, TX-35
State Senate Districts:
TX-21, TX-25
State House District:
TX-45