Age and Sex in Niwot, Colorado (Unincorporated Place)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the places in Colorado.
Scope: population of Colorado, Niwot, and other places in Colorado
Niwot
Colorado
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+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4140.305%0.31%731.591%1.59%1563.400%3.40%1643.575%3.57%1082.354%2.35%771.678%1.68%1964.272%4.27%1062.310%2.31%53511.661%11.7%53111.574%11.6%57812.598%12.6%2294.991%4.99%741.613%1.61%1272.768%2.77%1102.398%2.40%481.046%1.05%300.654%0.65%00.000%0%1022.223%2.22%3677.999%8.00%4389.547%9.55%4098.915%8.91%1162.528%2.53%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Colorado and Niwot
Female Male
Colorado
Niwot
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.165892%-0.026640%-0.159429%-0.032577%-0.192531%0.19%0.165892%0.159429%0.165892%0.17%59212.903%12.9%-0.940715%-0.014821%-0.649641%-0.003939%-0.955536%0.96%0.940715%0.649641%0.940715%0.94%2,17547.406%47.4%-0.140463%-0.698809%-0.140463%0.14%0.140463%0.153783%0.698809%0.046202%0.294246%0.29%3597.825%7.82%-0.299695%-0.656150%-0.299695%0.30%0.299695%0.119878%0.656150%0.069282%0.419573%0.42%1322.877%2.88%-0.799186%-0.012109%-0.631041%-0.811295%0.81%0.799186%0.631041%0.029735%0.799186%0.80%1,33028.989%29.0%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Colorado and Niwot
Female Male
Colorado
Niwot
Shaded bar tips show excess over facing bar.
1.5%1.0%0.5%0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.019071%-0.031630%-0.027891%-0.019071%0.02%0.000000%0.031630%0.000000%0.00%140.305%0.31%-0.139494%-0.120243%-0.046920%-0.139494%0.14%0.139494%0.039233%0.120243%0.178727%0.18%731.591%1.59%-0.287707%-0.104621%-0.194604%-0.034814%-0.392328%0.39%0.287707%0.194604%0.287707%0.29%1563.400%3.40%-0.313862%-0.282056%-0.036128%-0.313862%0.31%0.313862%0.087184%0.282056%0.401046%0.40%1643.575%3.57%-0.312409%-0.159837%-0.408630%-0.028822%-0.472246%0.47%0.312409%0.408630%0.312409%0.31%1082.354%2.35%-0.348736%-0.141674%-0.511485%-0.025367%-0.490410%0.49%0.348736%0.511485%0.348736%0.35%771.678%1.68%-0.697472%-0.552461%-0.022236%-0.697472%0.70%0.697472%0.029061%0.552461%0.726533%0.73%1964.272%4.27%-0.228858%-0.697472%-0.614297%-0.019275%-0.926330%0.93%0.228858%0.614297%0.228858%0.23%1062.310%2.31%-0.871840%-0.648339%-0.033419%-0.871840%0.87%0.871840%0.588492%0.648339%1.460331%1.46%53511.661%11.7%-1.054926%-0.204882%-0.682217%-0.013517%-1.259808%1.26%1.054926%0.682217%1.054926%1.05%53111.574%11.6%-1.185702%-0.647511%-1.185702%1.19%1.185702%0.148213%0.647511%0.008494%1.333915%1.33%57812.598%12.6%-0.326940%-0.344377%-0.644656%-0.671316%0.67%0.326940%0.644656%0.039796%0.326940%0.33%2294.991%4.99%-0.156931%-0.670073%-0.156931%0.16%0.156931%0.008718%0.670073%0.033960%0.165650%0.17%741.613%1.61%-0.104621%-0.719972%-0.104621%0.10%0.104621%0.344377%0.719972%0.045961%0.448997%0.45%1272.768%2.77%-0.235397%-0.008718%-0.717822%-0.244115%0.24%0.235397%0.717822%0.056493%0.235397%0.24%1102.398%2.40%-0.000000%-0.679741%0.000000%0.00%0.000000%0.348736%0.679741%0.049857%0.348736%0.35%481.046%1.05%-0.000000%-0.653880%-0.683784%-0.653880%0.65%0.000000%0.683784%0.093072%0.000000%0.00%300.654%0.65%-0.000000%-0.674174%0.000000%0.00%0.000000%0.000000%0.674174%0.065942%0.000000%0.00%00.000%0%-0.272450%-0.633320%-0.272450%0.27%0.272450%0.566696%0.633320%0.059056%0.839146%0.84%1022.223%2.22%-1.111595%-0.619970%-1.111595%1.11%1.111595%0.443185%0.619970%0.025899%1.554781%1.55%3677.999%8.00%-0.841325%-0.643872%-0.841325%0.84%0.841325%0.226678%0.643872%0.025231%1.068003%1.07%4389.547%9.55%-0.710549%-0.361813%-0.644283%-1.072363%1.07%0.710549%0.644283%0.037497%0.710549%0.71%4098.915%8.91%-0.165650%-0.174368%-0.611610%-0.340017%0.34%0.165650%0.611610%0.028780%0.165650%0.17%1162.528%2.53%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Colorado and Niwot
More Females More Males
Colorado
Niwot
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-292118-1915-1710-145-90-4-1,000.000000%-88.179338%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-39.021135%28.125000%28.125000%28.1%1.2811.2843.836%43.8%56.164%56.2%-36.363636%-17.889811%-36.363636%36.4%0.7330.7357.692%57.7%42.308%42.3%-12.808775%27.777778%27.777778%27.8%1.2781.2843.902%43.9%56.098%56.1%-51.162791%-7.053380%-51.162791%51.2%0.6620.6660.185%60.2%39.815%39.8%-40.625000%-4.959507%-40.625000%40.6%0.7110.7158.442%58.4%41.558%41.6%-4.024813%4.166667%4.166667%4.2%1.0421.0448.980%49.0%51.020%51.0%-304.761905%-3.137719%-304.761905%304.8%0.2470.2580.189%80.2%19.811%19.8%-5.154491%67.500000%67.500000%67.5%1.6751.6837.383%37.4%62.617%62.6%-19.421488%-1.981292%-19.421488%19.4%0.8370.8454.426%54.4%45.574%45.6%12.500000%1.311740%12.500000%12.5%1.1251.1347.059%47.1%52.941%52.9%-105.333333%-105.333333%105.3%6.173261%0.4870.4967.249%67.2%32.751%32.8%5.555556%5.068057%5.555556%5.6%1.0561.0648.649%48.6%51.351%51.4%329.166667%6.383762%329.166667%329.2%4.2924.2918.898%18.9%81.102%81.1%-3.703704%-3.703704%3.7%7.869988%0.9640.9650.909%50.9%49.091%49.1%-1,000.000000%-1,000.000000%> 1000%13.611308%0.0000100.000%100%0.000%0%208.000000%9.324868%208.000000%208.0%3.0803.0824.510%24.5%75.490%75.5%39.869281%4.177451%39.869281%39.9%1.3991.4041.689%41.7%58.311%58.3%26.943005%3.918625%26.943005%26.9%1.2691.2744.064%44.1%55.936%55.9%-50.920245%-50.920245%50.9%5.820035%0.6630.6660.147%60.1%39.853%39.9%-105.263158%-105.263158%105.3%4.705595%0.4870.4967.241%67.2%32.759%32.8%

Map of Age Cohorts by Block Group in Niwot

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
29.07%29.51%29.94%30.38%30.81%31.25%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
1.72%2.16%2.60%3.04%3.48%3.92%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
2.75%2.89%3.03%3.17%3.31%3.46%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
3.94%4.07%4.19%4.30%4.42%4.55%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
15.8%17.0%18.1%19.3%20.5%21.7%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
19.2%20.4%21.6%22.7%23.9%25.1%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
8.3%8.9%9.4%10.0%10.5%11.0%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
5.4%6.4%7.2%8.1%8.9%9.8%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
0.68%1.00%1.31%1.63%1.94%2.26%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Niwot

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%5%10%15%20%25%

20s Age Cohorts by Block#16

Percentage of population aged 22 to 29 (%):
0%5%11%16%22%28%

30s Age Cohorts by Block#17

Percentage of population aged 30 to 39 (%):
0%11%23%34%46%58%

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%10%20%30%40%50%

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%12%24%36%48%61%

70s Age Cohorts by Block#21

Percentage of population aged 70 to 79 (%):
0%5%11%16%21%27%

80+ Age Cohorts by Block#22

Percentage of population aged 80 and older (%):
0%5%11%16%21%27%
Road Data ©OpenStreetMap

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Age Cohorts by Place in the Boulder Area

There are 34 places in the Boulder Area. This section compares Niwot to all of the places in the Boulder Area and to those entities that contain or substantially overlap with Niwot.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Niwot, selected other places in the Boulder Area, and entities that contain Niwot
0%10%20%30%Count#CrismanErieNiwotPine Brook HillPne Brk HlSuperior013205Tract 013205St. Vrain Valley School District RE 1JSt. Vrain Vly RE 1JLyonsLongmontMountainBark RanchEldoraLouisvilleWestLafayetteColoradoUnited States of AmericaUnited StatesNederlandBoulder Metro AreaBoulder AreaBoulder CountyBoulderLazy AcresJamestownEldorado SpringsEldorado SpgsWardParagon EstatesParagon EstsGunbarrelBoulderGold HillValmontSunshineAltonaCoal CreekSugarloafAllensparkBonanza Mountain EstatesBonanza Mtn EstsMountain MeadowsMtn MdwsTall TimberSt. Ann HighlandsSeven HillsGlendaleLeyner32.587065%32.587065%32.6%131129.195712%29.195712%29.2%6,073228.988666%28.988666%29.0%1,330328.597617%28.597617%28.6%312428.132735%28.132735%28.1%3,637526.338220%26.338220%26.3%1,54525.937423%25.937423%25.9%42,94942.9k25.012333%25.012333%25.0%507624.994764%24.994764%25.0%22,67522.7k724.709269%24.709269%24.7%5,732,5615.73M24.553571%24.553571%24.6%55824.369748%24.369748%24.4%29923.933507%23.933507%23.9%4,7801023.760486%23.760486%23.8%17,834,66617.8M23.361550%23.361550%23.4%6,3201123.252704%23.252704%23.3%1,246,1811.25M23.108006%23.108006%23.1%73,612,43873.6M22.115385%22.115385%22.1%3451220.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k18.469945%18.469945%18.5%1691317.808219%17.808219%17.8%391417.647059%17.647059%17.6%1651516.279070%16.279070%16.3%211615.246637%15.246637%15.2%1361715.064337%15.064337%15.1%1,4401813.181559%13.181559%13.2%13,89613.9k1912.837838%12.837838%12.8%192012.727273%12.727273%12.7%72110.734463%10.734463%10.7%192210.621762%10.621762%10.6%41239.060956%9.060956%9.1%165248.695652%8.695652%8.7%32258.173913%8.173913%8.2%47267.784431%7.784431%7.8%13277.185629%7.185629%7.2%12285.780347%5.780347%5.8%10292.732240%2.732240%2.7%10300.000000%0.000000%0.0%0310.000000%0.000000%0.0%0320.000000%0.000000%0.0%033

Age Cohorts by Place in Colorado

There are 458 places in Colorado. This section compares Niwot to the 50 most populous places in Colorado and to those entities that contain or substantially overlap with Niwot. The least populous of the compared places has a population of 12,928.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Niwot, selected other places in Colorado, and entities that contain Niwot
0%10%20%30%Count#Commerce CityFountainWelbyParkerEvansCastle RockHighlands RanchHighlands RnchCimarron HillsCimarron HlsErieNiwotFort CarsonThorntonJohnstownBrightonSuperiorWindsorSecurity-Widefield013205Tract 013205CliftonAuroraPueblo WestSt. Vrain Valley School District RE 1JSt. Vrain Vly RE 1JGreeleySherrelwoodLongmontMountainBroomfieldColorado SpringsColorado SpgsNorthglennLouisvilleWestWestminsterCentennialDakota RidgeBlack ForestLafayetteColoradoGreenwood VillageGreenwood VlgUnited States of AmericaUnited StatesPuebloKen CarylColumbineLovelandGrand JunctionGrand JctCañon CityArvadaMontroseDenverSterlingBoulder Metro AreaBoulder AreaBoulder CountyBoulderLakewoodLittletonFort CollinsWheat RidgeEnglewoodGoldenDurangoBoulder34.234792%34.234792%34.2%17,71017.7k132.447784%32.447784%32.4%9,026231.113231%31.113231%31.1%5,218330.296024%30.296024%30.3%14,67614.7k430.230654%30.230654%30.2%6,278530.093514%30.093514%30.1%16,18716.2k630.017074%30.017074%30.0%31,99732.0k729.414153%29.414153%29.4%5,071829.195712%29.195712%29.2%6,073928.988666%28.988666%29.0%1,33028.857662%28.857662%28.9%4,2921028.655822%28.655822%28.7%37,39937.4k1128.451214%28.451214%28.5%4,0911228.363676%28.363676%28.4%10,29810.3k1328.132735%28.132735%28.1%3,6371428.127068%28.127068%28.1%5,9501527.408742%27.408742%27.4%9,5811626.338220%26.338220%26.3%1,54526.297388%26.297388%26.3%5,2651726.276233%26.276233%26.3%92,26492.3k1826.046893%26.046893%26.0%7,9431925.937423%25.937423%25.9%42,94942.9k25.499369%25.499369%25.5%25,23825.2k2025.130065%25.130065%25.1%4,7822124.994764%24.994764%25.0%22,67522.7k2224.709269%24.709269%24.7%5,732,5615.73M24.399110%24.399110%24.4%15,23715.2k2323.968990%23.968990%24.0%107,563108k2423.945657%23.945657%23.9%9,1302523.933507%23.933507%23.9%4,7802623.760486%23.760486%23.8%17,834,66617.8M23.646775%23.646775%23.6%26,43026.4k2723.607943%23.607943%23.6%25,46425.5k2823.560777%23.560777%23.6%8,0422923.448838%23.448838%23.4%3,1673023.361550%23.361550%23.4%6,3203123.252704%23.252704%23.3%1,246,1811.25M23.191741%23.191741%23.2%3,5273223.108006%23.108006%23.1%73,612,43873.6M22.953361%22.953361%23.0%24,87824.9k3322.722988%22.722988%22.7%7,4723422.336933%22.336933%22.3%5,6473522.303708%22.303708%22.3%16,36216.4k3622.053439%22.053439%22.1%13,37113.4k3721.812101%21.812101%21.8%3,5873821.607124%21.607124%21.6%24,53124.5k3921.571308%21.571308%21.6%4,1024020.705017%20.705017%20.7%137,337137k4120.248998%20.248998%20.2%2,8304220.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k19.879434%19.879434%19.9%29,77829.8k4319.597533%19.597533%19.6%8,8334418.998289%18.998289%19.0%29,87529.9k4517.884293%17.884293%17.9%5,5524617.781262%17.781262%17.8%5,7834717.377146%17.377146%17.4%3,5224816.265365%16.265365%16.3%2,8984913.181559%13.181559%13.2%13,89613.9k50