Age and Sex in Twin Lakes, Springfield, Illinois (Neighborhood)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the neighborhoods in Springfield.
Scope: population of Springfield, Twin Lakes, and other neighborhoods in Springfield
Twin Lakes
Springfield
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4560.631%0.63%202.131%2.13%50.552%0.55%171.815%1.82%23242.526%2.53%353.710%3.71%222.368%2.37%384.025%4.03%10310410.971%11.0%707.419%7.42%757.972%7.97%85869.077%9.08%495.209%5.21%858.998%9.00%373.946%3.95%33343.552%3.55%00.000%0%222.368%2.37%40.474%0.47%50515.367%5.37%46474.972%4.97%65666.946%6.95%46474.972%4.97%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Springfield and Twin Lakes
Female Male
Springfield
Twin Lakes
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.138122%-0.039463%-0.174787%-0.085681%-0.177585%0.18%0.138122%0.174787%0.138122%0.14%10711.365%11.4%-0.830308%-0.012628%-0.624335%-0.074419%-0.842936%0.84%0.830308%0.624335%0.830308%0.83%39541.831%41.8%-0.578795%-0.048233%-0.653276%-0.627028%0.63%0.578795%0.653276%0.012706%0.578795%0.58%20521.705%21.7%-0.315706%-0.078927%-0.576470%-0.106643%-0.394633%0.39%0.315706%0.576470%0.315706%0.32%26272.841%2.84%-0.521793%-0.608877%-0.521793%0.52%0.521793%0.192932%0.608877%0.030503%0.714724%0.71%21022.257%22.3%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Springfield and Twin Lakes
Female Male
Springfield
Twin Lakes
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.039463%-0.051233%-0.061512%-0.039463%0.0%0.000000%0.051233%0.000000%0.0%560.631%0.63%-0.000000%-0.426204%-0.159150%-0.095936%-0.426204%0.4%0.000000%0.159150%0.000000%0.0%202.131%2.13%-0.000000%-0.196839%-0.111354%0.000000%0.0%0.000000%0.110497%0.196839%0.110497%0.1%50.552%0.55%-0.094712%-0.344512%-0.016446%-0.094712%0.1%0.094712%0.173639%0.344512%0.268350%0.3%171.815%1.82%-0.184162%-0.473560%-0.359187%-0.221566%-0.657722%0.7%0.184162%0.359187%0.184162%0.2%23242.526%2.53%-0.591949%-0.446272%-0.158465%-0.591949%0.6%0.591949%0.670876%0.446272%1.262826%1.3%353.710%3.71%-0.184162%-0.420942%-0.537068%-0.171599%-0.605104%0.6%0.184162%0.537068%0.184162%0.2%222.368%2.37%-0.907656%-0.197316%-0.585892%-1.104972%1.1%0.907656%0.585892%0.071523%0.907656%0.9%384.025%4.03%-0.726125%-0.741910%-0.685597%-0.138421%-1.468035%1.5%0.726125%0.685597%0.726125%0.7%10310410.971%11.0%-0.631413%-0.220994%-0.684740%-0.027924%-0.852407%0.9%0.631413%0.684740%0.631413%0.6%707.419%7.42%-0.773481%-0.588976%-0.076235%-0.773481%0.8%0.773481%0.047356%0.588976%0.820837%0.8%757.972%7.97%-0.315706%-0.577155%-0.055163%-0.315706%0.3%0.315706%1.183899%0.577155%1.499605%1.5%85869.077%9.08%-0.252565%-0.536701%-0.545291%-0.789266%0.8%0.252565%0.545291%0.044028%0.252565%0.3%495.209%5.21%-0.773481%-0.252565%-0.665896%-0.024498%-1.026046%1.0%0.773481%0.665896%0.773481%0.8%858.998%9.00%-0.284136%-0.644482%-0.088569%-0.284136%0.3%0.284136%0.220994%0.644482%0.505130%0.5%373.946%3.95%-0.263089%-0.638428%-0.263089%0.3%0.263089%0.657722%0.638428%0.191300%0.920810%0.9%33343.552%3.55%-0.000000%-0.628721%-0.073665%0.000000%0.0%0.000000%0.000000%0.628721%0.000000%0.0%00.000%0%-0.789266%-0.789266%-0.464260%-0.352906%-1.578532%1.6%0.789266%0.464260%0.789266%0.8%222.368%2.37%-0.000000%-0.606450%0.000000%0.0%0.000000%0.236780%0.606450%0.000000%0.236780%0.2%40.474%0.47%-0.736648%-0.315706%-0.609591%-1.052355%1.1%0.736648%0.609591%0.058532%0.736648%0.7%50515.367%5.37%-0.331492%-0.331492%-0.600968%-0.662983%0.7%0.331492%0.600968%0.035291%0.331492%0.3%46474.972%4.97%-0.347277%-0.625980%-0.008052%-0.347277%0.3%0.347277%0.694554%0.625980%1.041831%1.0%65666.946%6.95%-0.236780%-0.591203%-0.236780%0.2%0.236780%0.520916%0.591203%0.047454%0.757695%0.8%46474.972%4.97%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Springfield and Twin Lakes
More Females More Males
Springfield
Twin Lakes
1,000%500%0%M:FFM85+80-8470-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-242015-1710-145-90-4-1,000.000000%-120.062696%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-1,000.000000%-60.279871%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-4.773744%183.333333%183.333333%183.3%2.8332.8326.087%26.1%73.913%73.9%-257.142857%-61.685215%-257.142857%257.1%0.2800.2878.125%78.1%21.875%21.9%-35.508637%113.333333%113.333333%113.3%2.1332.1331.915%31.9%68.085%68.1%-228.571429%-31.951090%-228.571429%228.6%0.3040.3076.667%76.7%23.333%23.3%-21.739130%-21.739130%21.7%12.207602%0.8210.8254.902%54.9%45.098%45.1%-102.173913%-20.189905%-102.173913%102.2%0.4950.4966.906%66.9%33.094%33.1%-35.000000%-4.078059%-35.000000%35.0%0.7410.7457.447%57.4%42.553%42.6%-12.943572%6.122449%6.122449%6.1%1.0611.0648.515%48.5%51.485%51.5%-9.557732%375.000000%375.000000%375.0%4.7504.7517.391%17.4%82.609%82.6%-212.500000%-212.500000%212.5%8.074144%0.3200.3275.758%75.8%24.242%24.2%-32.653061%-3.678930%-32.653061%32.7%0.7540.7557.018%57.0%42.982%43.0%-13.742690%77.777778%77.777778%77.8%1.7781.7836.000%36.0%64.000%64.0%250.000000%29.964222%250.000000%250.0%3.5003.5022.222%22.2%77.778%77.8%-100.000000%-76.014760%-100.000000%100.0%0.5000.5066.667%66.7%33.333%33.3%-42.857143%-42.857143%42.9%9.601874%0.7000.7058.824%58.8%41.176%41.2%-100.000000%-100.000000%100.0%5.872292%0.5000.5066.667%66.7%33.333%33.3%-1.286262%200.000000%200.000000%200.0%3.0003.0025.000%25.0%75.000%75.0%220.000000%8.026659%220.000000%220.0%3.2003.2023.810%23.8%76.190%76.2%

Map of Age Cohorts by Block in Twin Lakes

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
14.8%18.0%21.1%24.2%27.2%30.4%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
1.3%2.7%4.0%5.4%6.7%8.1%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
6.6%8.8%11.0%13.2%15.4%17.7%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
12.4%14.1%15.8%17.5%19.3%21.0%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
8.5%10.0%11.6%13.1%14.6%16.2%

50s Age Cohorts by Block#10

Percentage of population aged 50 to 59 (%):
7.8%10.8%13.8%16.8%19.8%22.8%

60s Age Cohorts by Block#11

Percentage of population aged 60 to 69 (%):
4.8%6.6%8.4%10.2%11.9%13.8%

70s Age Cohorts by Block#12

Percentage of population aged 70 to 79 (%):
1.6%3.4%5.2%7.0%8.8%10.7%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
1.1%2.2%3.2%4.3%5.3%6.4%
Road Data ©OpenStreetMap

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Age Cohorts by Neighborhood in Springfield

There are 24 neighborhoods in Springfield. This section compares Twin Lakes to all of the neighborhoods in Springfield and to those entities that contain or substantially overlap with Twin Lakes.

Children by Neighborhood#14

Percentage of population aged 0 to 17 (%):
Scope: population of Twin Lakes, selected other neighborhoods in Springfield, and entities that contain Twin Lakes
0%10%20%30%Count#Pillsbury NeighborhoodPillsburyEnos Park NeighborhoodEnos ParkMather and Wells NeighborhoodMather and WellsIles Park NeighborhoodIles ParkNear South NeighborhoodNear SouthLincoln Park NeighborhoodLincoln ParkYoungston/Holiday Hill NeighborhoodYoungston/Holiday …Jefferson Park NeighborhoodJefferson PkPioneer Park NeighborhoodPioneer ParkVinegar Hill NeighborhoodVinegar HillBunn Park NeighborhoodBunn ParkIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralSangamon CountySangamonSpringfield Metro AreaSpringfieldSpringfieldCapital TownshipCapitalTwin Lakes NeighborhoodTwin Lakes000501-2B.G. 000501-2Cobbelstone Estates NeighborhoodCobbelstone EstsHistoric West Side NeighborhoodHist W SideOld Aristocracy Hill NeighborhoodOld Aristocracy HlIrisdale NeighborhoodIrisdaleZIP Code 62707ZIP 62707Westchester NeighborhoodWestchester000501Tract 000501Harvard Park NeighborhoodHarvard ParkWest Koke Mill NeighborhoodW Koke MillMill Creek NeighborhoodMill CreekKoke Mill East NeighborhoodKoke Mill EOak Ridge NeighborhoodOak RidgeIndian Hills NeighborhoodIndian HillsDowntown NeighborhoodDowntown34.736033%34.736033%34.7%565566128.073392%28.073392%28.1%437438227.495177%27.495177%27.5%142143327.010538%27.010538%27.0%138139527.010538%27.010538%27.0%273426.790590%26.790590%26.8%200624.640288%24.640288%24.6%160161724.578652%24.578652%24.6%8283824.214792%24.214792%24.2%129923.682680%23.682680%23.7%6356361023.633569%23.633569%23.6%2331123.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.937590%22.937590%22.9%45,56345.6k22.922141%22.922141%22.9%48,41548.4k22.468628%22.468628%22.5%26,23126.2k22.459425%22.459425%22.5%26,15426.2k22.257301%22.257301%22.3%2101222.257301%22.257301%22.3%28222.140221%22.140221%22.1%2892901321.210894%21.210894%21.2%1,2271,2281420.148795%20.148795%20.1%2182191519.280206%19.280206%19.3%431619.168197%19.168197%19.2%1,46117.718430%17.718430%17.7%4751717.272727%17.272727%17.3%39916.720110%16.720110%16.7%3011816.558704%16.558704%16.6%1121916.558704%16.558704%16.6%832014.857975%14.857975%14.9%302113.203546%13.203546%13.2%3832211.217641%11.217641%11.2%117236.857264%6.857264%6.9%10310424

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

Unlike the other geographical entities detailed on this site, neighborhoods are not recognized by the U.S. Census Bureau. To overcome this we have computed reasonable estimates of the same statistics that are presented for other the entity types. Each statistic is computed as the weighted sum or average of the census tracts or block groups that overlap the neighborhood. A weighted sum is used for counts of people or households, and a weighted average is used for statistics that are themselves some form of average, such as median household income. Census block groups are preferred when the statistic in question is available on the block group level. The weight for a given tract (or block group) is computed as the population of the census tabulation blocks that occupy the intersection between the tract and the neighborhood as a fraction of the total population of the neighborhood.

For additional information about the data presented on this site, including our sources, please see the About Page.

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