Age and Sex in Indian River School District, Delaware (Unified School District)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the unified school districts in Delaware.
Scope: population of Delaware, Indian River School District, and other unified school districts in Delaware
Indian River
Delaware
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-42,1552.669%2.67%2,1812.701%2.70%3,4054.217%4.22%5,9577.377%7.38%4,3375.371%5.37%2,8453.523%3.52%4,0114.967%4.97%2,4653.053%3.05%6,3487.861%7.86%5,0186.214%6.21%4,8476.002%6.00%4,2785.298%5.30%3,8504.768%4.77%4,2015.202%5.20%4,2525.266%5.27%2,5933.211%3.21%5490.680%0.68%9091.126%1.13%1,2761.580%1.58%2,2102.737%2.74%4,2175.222%5.22%4,0565.023%5.02%4,7905.932%5.93%
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 Delaware and Indian River School District
Female Male
Delaware
Indian River
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.334193%-0.049880%-0.202933%-0.051303%-0.384073%0.38%0.334193%0.202933%0.334193%0.33%20,88020.9k25.858%25.9%-0.628359%-0.079108%-0.632861%-0.057550%-0.707467%0.71%0.628359%0.632861%0.628359%0.63%26,96727.0k33.396%33.4%-0.494118%-0.631038%-0.016339%-0.494118%0.49%0.494118%0.036601%0.631038%0.530719%0.53%14,89614.9k18.447%18.4%-0.411765%-0.694986%-0.411765%0.41%0.411765%0.022910%0.694986%0.010725%0.434675%0.43%2,7343.386%3.39%-0.518404%-0.013966%-0.597331%-0.532370%0.53%0.518404%0.597331%0.018996%0.518404%0.52%15,27315.3k18.914%18.9%
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 Delaware and Indian River School District
Female Male
Delaware
Indian River
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.062152%-0.042492%-0.042661%-0.035052%-0.104644%0.10%0.062152%0.042661%0.062152%0.06%2,1552.669%2.67%-0.257833%-0.024520%-0.163840%-0.056082%-0.282353%0.28%0.257833%0.163840%0.257833%0.26%2,1812.701%2.70%-0.395789%-0.051765%-0.259250%-0.060127%-0.447554%0.45%0.395789%0.259250%0.395789%0.40%3,4054.217%4.22%-0.716037%-0.043344%-0.384382%-0.051332%-0.759381%0.76%0.716037%0.384382%0.716037%0.72%5,9577.377%7.38%-0.828070%-0.134159%-0.480478%-0.093399%-0.962229%0.96%0.828070%0.480478%0.828070%0.83%4,3375.371%5.37%-0.852012%-0.057585%-0.572112%-0.084092%-0.909598%0.91%0.852012%0.572112%0.852012%0.85%2,8453.523%3.52%-0.788029%-0.079670%-0.584041%-0.059271%-0.867699%0.87%0.788029%0.584041%0.788029%0.79%4,0114.967%4.97%-0.640248%-0.245820%-0.607524%-0.062320%-0.886068%0.89%0.640248%0.607524%0.640248%0.64%2,4653.053%3.05%-0.687554%-0.197152%-0.651870%-0.104933%-0.884706%0.88%0.687554%0.651870%0.687554%0.69%6,3487.861%7.86%-0.605077%-0.032693%-0.694515%-0.055227%-0.637771%0.64%0.605077%0.694515%0.605077%0.61%5,0186.214%6.21%-0.563963%-0.072570%-0.642156%-0.048829%-0.636533%0.64%0.563963%0.642156%0.563963%0.56%4,8476.002%6.00%-0.503282%-0.582329%-0.018273%-0.503282%0.50%0.503282%0.053003%0.582329%0.556285%0.56%4,2785.298%5.30%-0.469350%-0.014861%-0.566987%-0.046796%-0.484211%0.48%0.469350%0.566987%0.469350%0.47%3,8504.768%4.77%-0.504768%-0.623861%-0.012154%-0.504768%0.50%0.504768%0.030960%0.623861%0.535728%0.54%4,2015.202%5.20%-0.477028%-0.681805%-0.477028%0.48%0.477028%0.099071%0.681805%0.001648%0.576099%0.58%4,2525.266%5.27%-0.521362%-0.662391%-0.002532%-0.521362%0.52%0.521362%0.027657%0.662391%0.549020%0.55%2,5933.211%3.21%-0.293498%-0.626087%-0.293498%0.29%0.293498%0.092879%0.626087%0.090939%0.386378%0.39%5490.680%0.68%-0.486687%-0.724407%-0.046432%-0.486687%0.49%0.486687%0.152322%0.724407%0.639009%0.64%9091.126%1.13%-0.356656%-0.076780%-0.690707%-0.000802%-0.433437%0.43%0.356656%0.690707%0.356656%0.36%1,2761.580%1.58%-0.446646%-0.018989%-0.603798%-0.465635%0.47%0.446646%0.603798%0.026568%0.446646%0.45%2,2102.737%2.74%-0.486192%-0.590417%-0.486192%0.49%0.486192%0.072074%0.590417%0.047545%0.558266%0.56%4,2175.222%5.22%-0.477276%-0.050031%-0.596109%-0.018145%-0.527307%0.53%0.477276%0.596109%0.477276%0.48%4,0565.023%5.02%-0.562724%-0.060929%-0.583442%-0.623653%0.62%0.562724%0.583442%0.023045%0.562724%0.56%4,7905.932%5.93%
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 Delaware and Indian River School District
More Females More Males
Delaware
Indian River
80%60%40%20%0%20%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-68.368618%-82.163009%-68.368618%68.4%0.5940.5962.738%62.7%37.262%37.3%-9.510086%-34.230116%-9.510086%9.5%0.9130.9152.270%52.3%47.730%47.7%-13.078849%-23.192473%-13.078849%13.1%0.8840.8853.069%53.1%46.931%46.9%-6.053269%-13.354487%-6.053269%6.1%0.9430.9451.469%51.5%48.531%48.5%-16.201396%-19.438878%-16.201396%16.2%0.8610.8653.747%53.7%46.253%46.3%-6.758721%-14.698457%-6.758721%6.8%0.9370.9451.634%51.6%48.366%48.4%-10.110005%-10.148379%-10.110005%10.1%0.9080.9152.406%52.4%47.594%47.6%-38.394584%-10.257991%-38.394584%38.4%0.7230.7258.053%58.1%41.947%41.9%-28.674352%-16.097161%-28.674352%28.7%0.7770.7856.270%56.3%43.730%43.7%-5.403193%-7.951815%-5.403193%5.4%0.9490.9551.315%51.3%48.685%48.7%-12.867809%-7.603879%-12.867809%12.9%0.8860.8953.022%53.0%46.978%47.0%-3.137975%10.531496%10.531496%10.5%1.1051.1147.499%47.5%52.501%52.5%-3.166227%-8.253453%-3.166227%3.2%0.9690.9750.779%50.8%49.221%49.2%-1.948141%6.133464%6.133464%6.1%1.0611.0648.512%48.5%51.488%51.5%20.768432%0.241652%20.768432%20.8%1.2081.2145.296%45.3%54.704%54.7%-0.382255%5.304830%5.304830%5.3%1.0531.0548.708%48.7%51.292%51.3%31.645570%14.524949%31.645570%31.6%1.3161.3243.169%43.2%56.831%56.8%-6.409688%31.297710%31.297710%31.3%1.3131.3143.234%43.2%56.766%56.8%-21.527778%-0.116171%-21.527778%21.5%0.8230.8254.859%54.9%45.141%45.1%-4.251386%-4.251386%4.3%4.400213%0.9590.9651.041%51.0%48.959%49.0%14.824249%8.052767%14.824249%14.8%1.1481.1546.550%46.5%53.450%53.5%-10.482615%-3.043900%-10.482615%10.5%0.9050.9152.490%52.5%47.510%47.5%-10.827465%-10.827465%10.8%3.949829%0.9020.9052.568%52.6%47.432%47.4%
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 County Subdivision in Indian River School District

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
11.3%14.1%16.9%19.6%22.4%25.2%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
2.84%3.29%3.74%4.19%4.64%5.10%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
5.1%6.8%8.4%10.1%11.7%13.4%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.7%8.5%10.2%12.0%13.7%15.5%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
9.3%10.0%10.7%11.4%12.0%12.8%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
12.3%13.4%14.5%15.5%16.6%17.7%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
10.7%13.0%15.2%17.5%19.7%22.0%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
6.0%8.0%10.0%11.9%13.9%15.9%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
2.8%3.8%4.8%5.8%6.8%7.8%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Indian River School District

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
2%8%13%19%24%31%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0.8%2.1%3.3%4.5%5.7%7.0%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
0.4%3.7%6.8%10.0%13.2%16.4%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
0.0%3.7%7.4%11.1%14.8%18.6%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
2.5%5.5%8.4%11.4%14.3%17.3%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
7.9%10.2%12.4%14.6%16.8%19.1%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
9%15%20%25%30%36%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
3%9%15%21%27%34%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
1.7%4.8%8.0%11.1%14.2%17.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Indian River School District

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%7%15%22%30%38%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%1.7%3.5%5.2%7.0%8.8%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%4.3%8.5%12.8%17.0%21.3%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0.0%4.1%8.2%12.3%16.3%20.5%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%5%10%15%20%26%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%5%11%16%21%27%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
5%17%29%40%51%63%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0%11%22%33%44%55%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%10%19%29%39%49%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Indian River School District

There are 11 places in Indian River School District. This section compares all 11 of those to each other, Indian River School District, and other entities that contain or substantially overlap with Indian River School District.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Indian River School District, selected places in Indian River School District, and entities that contain Indian River School District
0%5%10%15%20%25%Count#GeorgetownMillsboroFrankfordDagsboroSouthUnited States of AmericaUnited StatesMillvilleSouth AtlanticDelawareSelbyvilleSalisbury Metro AreaSalisburySussex CountySussexIndian River School DistrictIndian RiverLong NeckOcean ViewBethany BeachFenwick IslandFenwick IsSouth Bethany29.203412%29.203412%29.2%2,020128.124242%28.124242%28.1%1,159227.738095%27.738095%27.7%233325.778733%25.778733%25.8%240423.464217%23.464217%23.5%28,099,74328.1M23.108006%23.108006%23.1%73,612,43873.6M22.967101%22.967101%23.0%370522.148630%22.148630%22.1%13,847,14713.8M21.845843%21.845843%21.8%204,192204k21.384480%21.384480%21.4%485619.767695%19.767695%19.8%77,11277.1k19.554123%19.554123%19.6%41,30341.3k18.913932%18.913932%18.9%15,27315.3k14.344880%14.344880%14.3%38179.583134%9.583134%9.6%20086.773823%6.773823%6.8%5993.517588%3.517588%3.5%14101.415094%1.415094%1.4%611
Count number of children
# rank of place out of 11 by %

Age Cohorts by County Subdivision in Indian River School District

There are 8 county subdivisions that are fully or partially contained within Indian River School District (1 fully and 7 partially). This section compares all 8 of those to each other, Indian River School District, and other entities that contain or substantially overlap with Indian River School District.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Indian River School District, selected county subdivisions in Indian River School District, and entities that contain Indian River School District
0%5%10%15%20%25%Count#Milford SouthLaurel-DelmarGeorgetownSouthUnited States of AmericaUnited StatesSeafordSouth AtlanticDelawareSalisbury Metro AreaSalisburyMillsboroSussex CountySussexIndian River School DistrictIndian RiverMiltonSelbyville-FrankfordLewes25.183710%25.183710%25.2%5,689124.143932%24.143932%24.1%5,549223.641527%23.641527%23.6%3,746323.464217%23.464217%23.5%28,099,74328.1M23.108006%23.108006%23.1%73,612,43873.6M22.642529%22.642529%22.6%5,866422.148630%22.148630%22.1%13,847,14713.8M21.845843%21.845843%21.8%204,192204k19.767695%19.767695%19.8%77,11277.1k19.639383%19.639383%19.6%5,653519.554123%19.554123%19.6%41,30341.3k18.913932%18.913932%18.9%15,27315.3k16.386886%16.386886%16.4%2,704615.707691%15.707691%15.7%5,206711.328416%11.328416%11.3%3,6558
Count number of children
# rank of county subdivision out of 8 by %

Age Cohorts by Unified School District in Delaware

There are 16 unified school districts in Delaware. This section compares Indian River School District to all of the unified school districts in Delaware and to those entities that contain or substantially overlap with Indian River School District.

Children by Unified School District#50

Percentage of population aged 0 to 17 (%):
Scope: population of Indian River School District, selected other unified school districts in Delaware, and entities that contain Indian River School District
0%5%10%15%20%25%Count#Appoquinimink School DistrictAppoquiniminkLake Forest School DistrictLake ForestDelmar School DistrictDelmarWoodbridge School DistrictWoodbridgeMilford School DistrictMilfordLaurel School DistrictLaurelCaesar Rodney School DistrictCaesar RodneyColonial School DistrictColonialSouthUnited States of AmericaUnited StatesBrandywine School DistrictBrandywineSouth AtlanticDelawareSeaford School DistrictSeafordSmyrna School DistrictSmyrnaCapital School DistrictCapitalRed Clay Consolidated School DistrictRed Clay DistChristina School DistrictChristinaSalisbury Metro AreaSalisburySussex CountySussexIndian River School DistrictIndian RiverCape Henlopen School DistrictCape Henlopen28.607451%28.607451%28.6%16,56416.6k126.567095%26.567095%26.6%6,866225.990321%25.990321%26.0%1,450325.074522%25.074522%25.1%4,290424.537282%24.537282%24.5%7,424524.214130%24.214130%24.2%3,890624.030426%24.030426%24.0%11,21511.2k723.474221%23.474221%23.5%20,46620.5k823.464217%23.464217%23.5%28,099,74328.1M23.108006%23.108006%23.1%73,612,43873.6M22.587649%22.587649%22.6%21,01621.0k922.148630%22.148630%22.1%13,847,14713.8M21.845843%21.845843%21.8%204,192204k21.663011%21.663011%21.7%5,2341021.588731%21.588731%21.6%7,7701121.495243%21.495243%21.5%11,95212.0k1221.105240%21.105240%21.1%28,80028.8k1320.439260%20.439260%20.4%35,13135.1k1419.767695%19.767695%19.8%77,11277.1k19.554123%19.554123%19.6%41,30341.3k18.913932%18.913932%18.9%15,27315.3k1513.647410%13.647410%13.6%6,85116
Count number of children
# rank of unified school district out of 16 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:
Delaware
County:
Sussex
Metro Area:
Salisbury Area
Towns:
Bethany Beach, Dagsboro, Fenwick Island, Frankford, Georgetown, Millsboro, Millville, Ocean View, Selbyville, South Bethany
Unincorporated Places:
Long Neck
ZIP Codes:
19930, 19933, 19939, 19940, 19944, 19945, 19947, 19951, 19966, 19967, 19968, 19970, 19973, 19975
Congressional District:
DE-At Large
State Senate Districts:
DE-6, DE-19, DE-20, DE-21
State House Districts:
DE-20, DE-35, DE-36, DE-37, DE-38, DE-40, DE-41
Neighboring Unified School Districts:
Cape Henlopen, Delmar, Laurel, Milford, Seaford, Wicomico County, Woodbridge, Worcester County
Nearby Unified School Districts:
Caesar Rodney, Cape May Point Borough, Caroline County, Lake Forest, North Wildwood, Stone Harbor Borough, West Wildwood Borough, Wildwood, Wildwood Crest Borough