Age and Sex in St. Johns Bluff, Jacksonville, Florida (Neighborhood)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the neighborhoods in Jacksonville.
Scope: population of Jacksonville, St. Johns Bluff, and other neighborhoods in Jacksonville
St. Johns Bluff
Jacksonville
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0%2%4%6%8%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-400.000%0%29302.908%2.91%292.834%2.83%00.000%0%40413.952%3.95%30312.983%2.98%424.101%4.10%252.461%2.46%87888.576%8.58%75767.383%7.38%77787.606%7.61%1001019.843%9.84%636.189%6.19%25262.535%2.54%444.325%4.33%424.101%4.10%35363.505%3.50%98999.620%9.62%00.000%0%373.654%3.65%212.088%2.09%646.264%6.26%51525.071%5.07%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Jacksonville and St. Johns Bluff
Female Male
Jacksonville
St. Johns Bluff
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%Senior2Older Adult3Younger Adult4College5Children6-0.153285%-0.146617%-0.053512%-0.153285%0.2%0.153285%0.045571%0.146617%0.198857%0.2%12913012.677%12.7%-0.733781%-0.131245%-0.609206%-0.062072%-0.865026%0.9%0.733781%0.609206%0.733781%0.7%40941039.970%40.0%-0.418427%-0.747405%-0.009910%-0.418427%0.4%0.418427%0.116000%0.747405%0.534427%0.5%17517617.151%17.2%-0.689784%-1.901566%-0.655895%-0.003823%-2.591350%2.6%0.689784%0.655895%0.689784%0.7%13413513.125%13.1%-0.393570%-0.161571%-0.633494%-0.555141%0.6%0.393570%0.633494%0.019547%0.393570%0.4%17517.077%17.1%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Jacksonville and St. Johns Bluff
Female Male
Jacksonville
St. Johns Bluff
Shaded bar tips show excess over facing bar.
6%4%2%0%2%4%6%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%-0.034985%-0.031461%0.000000%0.0%0.000000%0.000000%0.034985%0.000000%0.0%00.000%0%-0.283371%-0.110645%-0.080363%-0.283371%0.3%0.283371%0.014914%0.110645%0.298285%0.3%29302.908%2.91%-0.268456%-0.159535%-0.065957%-0.268456%0.3%0.268456%0.029828%0.159535%0.298285%0.3%292.834%2.83%-0.000000%-0.270693%-0.054867%0.000000%0.0%0.000000%0.000000%0.270693%0.000000%0.0%00.000%0%-0.372856%-0.362784%-0.086386%-0.372856%0.4%0.372856%0.571713%0.362784%0.944569%0.9%40413.952%3.95%-0.671141%-0.149142%-0.462868%-0.078974%-0.820283%0.8%0.671141%0.462868%0.671141%0.7%30312.983%2.98%-0.546856%-0.516762%-0.065763%-0.546856%0.5%0.546856%0.273428%0.516762%0.820283%0.8%424.101%4.10%-0.000000%-1.230425%-0.556667%-0.131447%-1.230425%1.2%0.000000%0.556667%0.000000%0.0%252.461%2.46%-0.715884%-0.283371%-0.605242%-0.079195%-0.999254%1.0%0.715884%0.605242%0.715884%0.7%87888.576%8.58%-0.626398%-0.223714%-0.673020%-0.053279%-0.850112%0.9%0.626398%0.673020%0.626398%0.6%75767.383%7.38%-0.507084%-0.633469%-0.034228%-0.507084%0.5%0.507084%0.507084%0.633469%1.014169%1.0%77787.606%7.61%-0.820283%-0.328113%-0.601576%-0.051622%-1.148397%1.1%0.820283%0.601576%0.820283%0.8%1001019.843%9.84%-0.566741%-0.640684%-0.016764%-0.566741%0.6%0.566741%0.104400%0.640684%0.671141%0.7%636.189%6.19%-0.074571%-0.742737%-0.022414%-0.074571%0.1%0.074571%0.357942%0.742737%0.432513%0.4%25262.535%2.54%-0.000000%-0.865026%-0.828166%-0.029115%-0.865026%0.9%0.000000%0.828166%0.000000%0.0%444.325%4.33%-0.000000%-0.744091%0.000000%0.0%0.000000%1.367139%0.744091%0.054361%1.367139%1.4%424.101%4.10%-0.000000%-3.504847%-0.715490%-3.504847%3.5%0.000000%0.715490%0.024865%0.000000%0.0%35363.505%3.50%-2.759135%-4.101417%-0.647315%-0.079382%-6.860552%6.9%2.759135%0.647315%2.759135%2.8%98999.620%9.62%-0.000000%-0.598343%0.000000%0.0%0.000000%0.000000%0.598343%0.019612%0.000000%0.0%00.000%0%-0.347999%-0.590541%-0.347999%0.3%0.347999%0.521999%0.590541%0.007510%0.869998%0.9%373.654%3.65%-0.000000%-0.601483%0.000000%0.0%0.000000%0.417599%0.601483%0.015199%0.417599%0.4%212.088%2.09%-0.000000%-1.252796%-0.646241%-1.252796%1.3%0.000000%0.646241%0.020709%0.000000%0.0%646.264%6.26%-0.477256%-0.059657%-0.678530%-0.536913%0.5%0.477256%0.678530%0.029955%0.477256%0.5%51525.071%5.07%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Jacksonville and St. Johns Bluff
More Females More Males
Jacksonville
St. Johns Bluff
1,000%500%0%M:FFM80-8475-7967-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-29212015-175-90-4-72.631357%5.263158%5.263158%5.3%1.0531.0548.718%48.7%51.282%51.3%-41.343480%11.111111%11.111111%11.1%1.1111.1147.368%47.4%52.632%52.6%-23.812078%153.333333%153.333333%153.3%2.5332.5328.302%28.3%71.698%71.7%-22.222222%-17.061791%-22.222222%22.2%0.8180.8255.000%55.0%45.000%45.0%-12.725904%50.000000%50.000000%50.0%1.5001.5040.000%40.0%60.000%60.0%-1,000.000000%-23.613296%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-39.583333%-13.084905%-39.583333%39.6%0.7160.7258.261%58.3%41.739%41.7%-35.714286%-7.916464%-35.714286%35.7%0.7370.7457.576%57.6%42.424%42.4%-5.403214%100.000000%100.000000%100.0%2.0002.0033.333%33.3%66.667%66.7%-40.000000%-8.581076%-40.000000%40.0%0.7140.7158.333%58.3%41.667%41.7%-2.616523%18.421053%18.421053%18.4%1.1841.1845.783%45.8%54.217%54.2%-3.017729%480.000000%480.000000%480.0%5.8005.8014.706%14.7%85.294%85.3%-1,000.000000%-3.515548%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-1,000.000000%-1,000.000000%> 1000%3.475281%0.0000100.000%100%0.000%0%-148.648649%-12.263300%-148.648649%148.6%0.4020.4071.318%71.3%28.682%28.7%150.000000%1.271745%150.000000%150.0%2.5002.5028.571%28.6%71.429%71.4%-1,000.000000%-1,000.000000%> 1000%3.204596%0.0000100.000%100%0.000%0%-12.500000%-12.500000%12.5%4.414700%0.8890.8952.941%52.9%47.059%47.1%

Map of Age Cohorts by Block in St. Johns Bluff

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
7.6%12.0%16.2%20.5%24.8%29.1%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0.0%3.3%6.7%10.0%13.3%16.7%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0.0%3.1%6.2%9.2%12.3%15.4%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0.0%4.3%8.6%12.9%17.1%21.5%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
7.0%10.1%13.2%16.2%19.3%22.4%

50s Age Cohorts by Block#10

Percentage of population aged 50 to 59 (%):
3%11%18%25%31%39%

60s Age Cohorts by Block#11

Percentage of population aged 60 to 69 (%):
3.2%7.2%11.1%15.0%18.9%22.9%

70s Age Cohorts by Block#12

Percentage of population aged 70 to 79 (%):
0.0%2.6%5.2%7.8%10.4%13.1%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
0.0%2.6%5.2%7.8%10.4%13.1%
Road Data ©OpenStreetMap

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Age Cohorts by Neighborhood in Jacksonville

There are 198 neighborhoods in Jacksonville. This section compares St. Johns Bluff to all of the neighborhoods in Jacksonville and to those entities that contain or substantially overlap with St. Johns Bluff.

Children by Neighborhood#14

Percentage of population aged 0 to 17 (%):
Scope: population of St. Johns Bluff, selected other neighborhoods in Jacksonville, and entities that contain St. Johns Bluff
0%10%20%30%40%Count#Brackridge NeighborhoodBrackridgeCollege Park NeighborhoodCollege ParkKennel Club NeighborhoodKennel ClubKilarney Shores NeighborhoodKilarney ShrsNormandy Village NeighborhoodNormandy VlgHillcrest NeighborhoodHillcrestJacksonville Heights West NeighborhoodJacksonville Hts WAllendale NeighborhoodAllendaleArlington NeighborhoodArlingtonRibault NeighborhoodRibault45th and Moncrief Neighborhood45th and MoncriefSpring Glen NeighborhoodSpring GlenThe Cape NeighborhoodThe CapeEagle Bend NeighborhoodEagle BendPhoenix NeighborhoodPhoenixCobblestone NeighborhoodCobblestoneFairfield NeighborhoodFairfieldMagnolia Gardens NeighborhoodMagnolia GdnsLake Forest NeighborhoodLake ForestWoodland Acres NeighborhoodWdlnd AcresLarsen NeighborhoodLarsenJacksonville Farms-Terrace NeighborhoodJacksonville Farms…Bulls Bay NeighborhoodBulls BayLackawanna NeighborhoodLackawannaHighlands NeighborhoodHighlandsBiltmore NeighborhoodBiltmoreMcGirts Creek NeighborhoodMcGirts CreekJacksonville Heights South NeighborhoodJacksonville Hts SWesconnett NeighborhoodWesconnettNormandy Estate NeighborhoodNormandy EstEastport NeighborhoodEastportGreenfield Manor NeighborhoodGreenfield MnrHerlong NeighborhoodHerlongSandalwood NeighborhoodSandalwoodDuclay Forest NeighborhoodDuclay ForestEast Arlington NeighborhoodE ArlingtonSouthJacksonvilleUnited States of AmericaUnited StatesOrtega Forest NeighborhoodOrtega ForestDuval CountyDuvalDuval County School DistrictDuval CountyJacksonville Metro AreaJacksonvilleZIP Code 32225ZIP 32225South AtlanticGolden Glades - The Woods NeighborhoodGolden Glades - T…Beach Haven NeighborhoodBeach HavenDeerwood NeighborhoodDeerwoodFloridaGlynlea - Grove Park NeighborhoodGlynlea - Grv Pk014601Tract 014601Hogan NeighborhoodHogan014601-1B.G. 014601-1St. Johns Bluff NeighborhoodSt. Johns BluffSwamp NeighborhoodSwampMandarin NeighborhoodMandarinRiverside NeighborhoodRiversideRoyal Lakes NeighborhoodRoyal LakesOak Haven NeighborhoodOak HavenBrooklyn NeighborhoodBrooklynDowntown Jacksonville NeighborhoodDntn Jacksonville42.102641%42.102641%42.1%250251136.876531%36.876531%36.9%795236.416127%36.416127%36.4%231232334.909966%34.909966%34.9%430433.368474%33.368474%33.4%775532.765241%32.765241%32.8%2,308632.429521%32.429521%32.4%1,5341,535731.921315%31.921315%31.9%661662831.260977%31.260977%31.3%1,458931.255609%31.255609%31.3%9001031.222479%31.222479%31.2%1,0241131.074504%31.074504%31.1%6336341231.047467%31.047467%31.0%2,2581331.047467%31.047467%31.0%2821431.002446%31.002446%31.0%3961530.868337%30.868337%30.9%1,4041,4051630.706939%30.706939%30.7%3461730.190356%30.190356%30.2%1,1621830.135864%30.135864%30.1%9721930.111909%30.111909%30.1%2,2452,2462030.039526%30.039526%30.0%5052129.884015%29.884015%29.9%1,2522229.692113%29.692113%29.7%1682329.683631%29.683631%29.7%9362429.573146%29.573146%29.6%3,0252529.470915%29.470915%29.5%5915922629.459063%29.459063%29.5%1,5022729.428194%29.428194%29.4%1,2191,2202829.263914%29.263914%29.3%1,3951,3962928.965759%28.965759%29.0%1,8593028.004195%28.004195%28.0%50514226.843938%26.843938%26.8%6706715625.667296%25.667296%25.7%8517024.355461%24.355461%24.4%4,3144,3158224.045433%24.045433%24.0%8208218423.940129%23.940129%23.9%4,2534,2548723.464217%23.464217%23.5%28,099,74328.1M23.157634%23.157634%23.2%198,372198k23.108006%23.108006%23.1%73,612,43873.6M22.930303%22.930303%22.9%4754769822.868164%22.868164%22.9%206,017206k22.868164%22.868164%22.9%206,017206k22.848865%22.848865%22.8%325,390325k22.211224%22.211224%22.2%11,89311.9k22.148630%22.148630%22.1%13,847,14713.8M22.063130%22.063130%22.1%3,97711121.460299%21.460299%21.5%3,9903,99111621.034495%21.034495%21.0%1,6211,62212520.398234%20.398234%20.4%4,066,2764.07M19.417401%19.417401%19.4%1,12413918.699467%18.699467%18.7%1,08718.464611%18.464611%18.5%12712815317.076808%17.076808%17.1%22917.076808%17.076808%17.1%17516216.538730%16.538730%16.5%878816715.063176%15.063176%15.1%1,49118111.751051%11.751051%11.8%1,1211,12219111.545027%11.545027%11.5%3673681929.568480%9.568480%9.6%981934.985618%4.985618%5.0%31944.965820%4.965820%5.0%312313195

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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