Age and Sex in Tract 013701, Boulder County, Colorado (Tract)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the tracts in Boulder County.
Scope: population of Boulder County, Tract 013701, and other tracts in Boulder County
Tract 013701
Boulder County
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+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4731.123%1.12%651.000%1.00%2463.783%3.78%2363.630%3.63%4086.275%6.27%2533.891%3.89%2674.106%4.11%3345.137%5.14%5127.875%7.87%74411.443%11.4%4917.552%7.55%3295.060%5.06%4506.921%6.92%3445.291%5.29%2033.122%3.12%1662.553%2.55%00.000%0%150.231%0.23%911.400%1.40%2133.276%3.28%4086.275%6.27%3044.675%4.68%3505.383%5.38%
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 Boulder County and Tract 013701
Female Male
Boulder County
Tract 013701
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.254195%-0.151567%-0.034364%-0.254195%0.25%0.254195%0.038877%0.151567%0.293072%0.29%1,28119.702%19.7%-0.737619%-0.647329%-0.015989%-0.737619%0.74%0.737619%0.171639%0.647329%0.909259%0.91%2,67741.172%41.2%-0.457979%-0.669280%-0.457979%0.46%0.457979%0.077754%0.669280%0.073594%0.535733%0.54%1,16317.887%17.9%-0.173024%-0.061520%-1.166068%-0.234543%0.23%0.173024%1.166068%0.042919%0.173024%0.17%1061.630%1.63%-0.436618%-0.544972%-0.436618%0.44%0.436618%0.216173%0.544972%0.030329%0.652791%0.65%1,27519.609%19.6%
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 Boulder County and Tract 013701
Female Male
Boulder County
Tract 013701
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.024031%-0.032687%-0.027073%-0.024031%0.02%0.024031%0.022109%0.032687%0.046140%0.05%731.123%1.12%-0.073823%-0.052292%-0.101732%-0.069690%-0.126115%0.13%0.073823%0.101732%0.073823%0.07%651.000%1.00%-0.316826%-0.184418%-0.031851%-0.316826%0.32%0.316826%0.123039%0.184418%0.439865%0.44%2463.783%3.78%-0.313750%-0.267422%-0.020257%-0.313750%0.31%0.313750%0.098431%0.267422%0.412181%0.41%2363.630%3.63%-0.968933%-0.401536%-0.013059%-0.968933%0.97%0.968933%0.153799%0.401536%1.122731%1.12%4086.275%6.27%-0.907413%-0.130729%-0.480474%-0.077876%-1.038142%1.04%0.907413%0.480474%0.907413%0.91%2533.891%3.89%-0.440890%-0.561110%-0.004884%-0.440890%0.44%0.440890%0.487030%0.561110%0.927920%0.93%2674.106%4.11%-1.268840%-0.607082%-0.071983%-1.268840%1.27%1.268840%0.030760%0.607082%1.299600%1.30%3345.137%5.14%-0.744386%-0.663394%-0.012549%-0.744386%0.74%0.744386%0.086127%0.663394%0.830514%0.83%5127.875%7.87%-0.996616%-0.677536%-0.024589%-0.996616%1.00%0.996616%0.295294%0.677536%1.291910%1.29%74411.443%11.4%-0.679791%-0.661611%-0.006944%-0.679791%0.68%0.679791%0.150723%0.661611%0.830514%0.83%4917.552%7.55%-0.495232%-0.654604%-0.004141%-0.495232%0.50%0.495232%0.021532%0.654604%0.516764%0.52%3295.060%5.06%-0.633651%-0.116887%-0.631416%-0.750538%0.75%0.633651%0.631416%0.008600%0.633651%0.63%4506.921%6.92%-0.482928%-0.617656%-0.482928%0.48%0.482928%0.092279%0.617656%0.026054%0.575208%0.58%3445.291%5.29%-0.166103%-0.627594%-0.166103%0.17%0.166103%0.292218%0.627594%0.124283%0.458321%0.46%2033.122%3.12%-0.415257%-0.887902%-0.415257%0.42%0.415257%0.020507%0.887902%0.176667%0.435763%0.44%1662.553%2.55%-0.000000%-1.238052%0.000000%0.00%0.000000%0.000000%1.238052%0.116256%0.000000%0.00%00.000%0%-0.000000%-1.170846%0.000000%0.00%0.000000%0.230698%1.170846%0.025162%0.230698%0.23%150.231%0.23%-0.230698%-0.238388%-1.127688%-0.469086%0.47%0.230698%1.127688%0.015129%0.230698%0.23%911.400%1.40%-0.492156%-0.570665%-0.492156%0.49%0.492156%0.107659%0.570665%0.021128%0.599815%0.60%2133.276%3.28%-0.550600%-0.590838%-0.002421%-0.550600%0.55%0.550600%0.153799%0.590838%0.704399%0.70%4086.275%6.27%-0.156875%-0.547775%-0.156875%0.16%0.156875%0.621347%0.547775%0.061919%0.778222%0.78%3044.675%4.68%-0.507536%-0.061520%-0.478467%-0.569056%0.57%0.507536%0.478467%0.037011%0.507536%0.51%3505.383%5.38%
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 Boulder County and Tract 013701
More Females More Males
Boulder County
Tract 013701
0%200%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-2418-1915-1710-145-90-4-82.825822%92.000000%92.000000%92.0%1.9201.9234.247%34.2%65.753%65.8%-70.833333%-68.503444%-70.833333%70.8%0.5850.5963.077%63.1%36.923%36.9%-17.271157%38.834951%38.834951%38.8%1.3881.3941.870%41.9%58.130%58.1%-7.575036%31.372549%31.372549%31.4%1.3141.3143.220%43.2%56.780%56.8%-3.252247%15.873016%15.873016%15.9%1.1591.1646.324%46.3%53.676%53.7%-14.406780%-16.208154%-14.406780%14.4%0.8740.8753.360%53.4%46.640%46.6%-0.870388%110.465116%110.465116%110.5%2.1052.1032.210%32.2%67.790%67.8%-11.857293%2.424242%2.424242%2.4%1.0241.0249.401%49.4%50.599%50.6%-1.891684%11.570248%11.570248%11.6%1.1161.1247.266%47.3%52.734%52.7%-3.629184%29.629630%29.629630%29.6%1.2961.3043.548%43.5%56.452%56.5%-1.049490%22.171946%22.171946%22.2%1.2221.2245.010%45.0%54.990%55.0%-0.632542%4.347826%4.347826%4.3%1.0431.0448.936%48.9%51.064%51.1%-18.446602%-18.446602%18.4%1.361985%0.8440.8454.222%54.2%45.778%45.8%19.108280%4.218234%19.108280%19.1%1.1911.1945.640%45.6%54.360%54.4%175.925926%19.803086%175.925926%175.9%2.7592.7626.601%26.6%73.399%73.4%4.938272%19.897166%4.938272%4.9%1.0491.0548.795%48.8%51.205%51.2%-103.333333%-103.333333%103.3%1.341618%0.4920.4967.033%67.0%32.967%33.0%21.875000%3.702326%21.875000%21.9%1.2191.2245.070%45.1%54.930%54.9%-0.409704%27.932961%27.932961%27.9%1.2791.2843.873%43.9%56.127%56.1%396.078431%11.303640%396.078431%396.1%4.9614.9616.776%16.8%83.224%83.2%-12.121212%-12.121212%12.1%7.735322%0.8920.8952.857%52.9%47.143%47.1%
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 Block Group in Tract 013701

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
9.3%13.0%16.7%20.4%24.2%27.9%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
0.0%0.7%1.5%2.2%3.0%3.8%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
0.0%1.5%3.1%4.6%6.2%7.8%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
5.7%7.9%10.1%12.3%14.5%16.7%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
8.1%10.1%12.1%14.1%16.1%18.1%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
13.5%15.1%16.7%18.3%19.8%21.4%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
14.9%19.4%23.8%28.2%32.6%37.1%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
5.0%6.9%8.7%10.6%12.5%14.4%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
1.1%2.1%3.0%4.0%4.9%5.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Tract 013701

Children Age Cohorts by Block#14

Percentage of population aged 0 to 17 (%):
0%10%20%30%40%50%

College Age Cohorts by Block#15

Percentage of population aged 18 to 21 (%):
0%9%17%26%34%43%

20s Age Cohorts by Block#16

Percentage of population aged 22 to 29 (%):
0%7%15%22%29%37%

30s Age Cohorts by Block#17

Percentage of population aged 30 to 39 (%):
0%20%40%60%80%100%

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%20%40%60%80%100%

50s Age Cohorts by Block#19

Percentage of population aged 50 to 59 (%):
0%20%40%60%80%100%

60s Age Cohorts by Block#20

Percentage of population aged 60 to 69 (%):
0%20%40%60%80%100%

70s Age Cohorts by Block#21

Percentage of population aged 70 to 79 (%):
0%20%40%60%80%100%

80+ Age Cohorts by Block#22

Percentage of population aged 80 and older (%):
0%5%10%15%20%25%
Road Data ©OpenStreetMap

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Age Cohorts by Tract in Boulder County

There are 68 tracts in Boulder County. This section compares Tract 013701 to the 50 most populous tracts in Boulder County and to those entities that contain or substantially overlap with Tract 013701. The least populous of the compared tracts has a population of 3,460.

Children by Tract#23

Percentage of population aged 0 to 17 (%):
Scope: population of Tract 013701, selected other tracts in Boulder County, and entities that contain Tract 013701
0%10%20%30%Count#061300Tract 061300013211Tract 013211013505Tract 013505013503Tract 013503013213Tract 013213061400Tract 061400013004Tract 013004013401Tract 013401013306Tract 013306012800Tract 012800013508Tract 013508013205Tract 013205013210Tract 013210013506Tract 013506013003Tract 013003013006Tract 013006Mountain012105Tract 012105013212Tract 013212WestColoradoUnited States of AmericaUnited States060600Tract 060600012101Tract 012101013601Tract 013601013402Tract 013402013305Tract 013305012509Tract 012509012904Tract 012904060800Tract 060800012701Tract 012701Boulder Metro AreaBoulder AreaBoulder CountyBoulder060900Tract 060900012510Tract 012510012103Tract 012103013701Tract 013701013207Tract 013207012505Tract 012505012102Tract 012102012708Tract 012708013208Tract 013208013307Tract 013307013302Tract 013302013308Tract 013308013702Tract 013702012705Tract 012705012203Tract 012203012511Tract 012511012507Tract 012507012201Tract 012201012202Tract 012202012300Tract 012300012401Tract 012401012607Tract 012607012204Tract 01220433.945465%33.945465%33.9%1,220132.012146%32.012146%32.0%2,003231.070220%31.070220%31.1%1,469330.992944%30.992944%31.0%1,801430.460478%30.460478%30.5%2,474530.155695%30.155695%30.2%1,104629.429267%29.429267%29.4%1,088729.293994%29.293994%29.3%1,112828.356753%28.356753%28.4%1,453928.285642%28.285642%28.3%3,3511027.731316%27.731316%27.7%2,0891126.338220%26.338220%26.3%1,5451226.075900%26.075900%26.1%1,3331325.528455%25.528455%25.5%1,0991424.890976%24.890976%24.9%1,4841524.889047%24.889047%24.9%1,4021624.709269%24.709269%24.7%5,732,5615.73M24.125625%24.125625%24.1%1,3521723.826963%23.826963%23.8%1,0411823.760486%23.760486%23.8%17,834,66617.8M23.252704%23.252704%23.3%1,246,1811.25M23.108006%23.108006%23.1%73,612,43873.6M22.708548%22.708548%22.7%1,3231922.002153%22.002153%22.0%1,0222021.537715%21.537715%21.5%8882121.358960%21.358960%21.4%1,5782221.160210%21.160210%21.2%1,0872320.894677%20.894677%20.9%7382420.743872%20.743872%20.7%1,2272520.365006%20.365006%20.4%1,4062620.225891%20.225891%20.2%1,1642720.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k19.897084%19.897084%19.9%9282819.652435%19.652435%19.7%9162919.630660%19.630660%19.6%7763019.609351%19.609351%19.6%1,2753119.224593%19.224593%19.2%8383218.946850%18.946850%18.9%7703318.463395%18.463395%18.5%1,3773418.421053%18.421053%18.4%9873518.386984%18.386984%18.4%1,0513617.557040%17.557040%17.6%6313717.545772%17.545772%17.5%8053816.387283%16.387283%16.4%5673915.115899%15.115899%15.1%9264013.927577%13.927577%13.9%5504112.284392%12.284392%12.3%8764210.520380%10.520380%10.5%653439.238534%9.238534%9.2%421448.031915%8.031915%8.0%302454.734206%4.734206%4.7%293463.867087%3.867087%3.9%270473.360910%3.360910%3.4%195482.733307%2.733307%2.7%140491.904513%1.904513%1.9%7350
Count number of children
# rank of tract 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

Income

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More Maps to Explore

State:
Colorado
County:
Boulder
Metro Area:
Boulder Area
City:
Boulder
Towns:
Jamestown, Ward
Unincorporated Places:
Altona, Bark Ranch, Crisman, Glendale, Gold Hill, Hidden Lake, Lazy Acres, Pine Brook Hill, Seven Hills, Sunshine
ZIP Codes:
80302, 80304, 80455, 80481
Unified School Districts:
Boulder Valley RE-2, St. Vrain Valley RE 1J
Congressional District:
CO-2
State Senate District:
CO-18
State House Districts:
CO-10, CO-11, CO-13
Block Groups:
Block Group 013701-1, Block Group 013701-2, Block Group 013701-3, Block Group 013701-4
Neighboring Tracts:
Tract 000201, Tract 012101, Tract 012104, Tract 012105, Tract 012201, Tract 012701, Tract 013202, Tract 013601, Tract 013602, Tract 013702