Data / Rankings / Median age on 1 July (US county estimates) / Counties in Florida

Counties in Florida by median age on 1 July (US county estimates)

Sumter County had the highest median age on 1 July (US county estimates) of 67 counties in 2017, at 67.4 years. Alachua County had the lowest, at 31.5 years. The median was 43.6 years. Source: the U.S. Census Bureau.

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Highest67.4Sumter County
Lowest31.5Alachua County
Median43.667 counties

Map of counties, 2017

Alachua County: 31.5 yearsBaker County: 38 yearsBay County: 40 yearsBradford County: 41.6 yearsBrevard County: 47.9 yearsBroward County: 40.6 yearsCalhoun County: 41.8 yearsCharlotte County: 59.1 yearsCitrus County: 57.1 yearsClay County: 39.6 yearsCollier County: 51.1 yearsColumbia County: 42.1 yearsDeSoto County: 41.6 yearsDixie County: 47.4 yearsDuval County: 37.1 yearsEscambia County: 38.9 yearsFlagler County: 52.5 yearsFranklin County: 48.6 yearsGadsden County: 42.3 yearsGilchrist County: 43.8 yearsGlades County: 44.6 yearsGulf County: 44.8 yearsHamilton County: 41.8 yearsHardee County: 36.1 yearsHendry County: 34.7 yearsHernando County: 49.5 yearsHighlands County: 53.8 yearsHillsborough County: 37 yearsHolmes County: 43.2 yearsIndian River County: 53.3 yearsJackson County: 42 yearsJefferson County: 48.3 yearsLafayette County: 41.3 yearsLake County: 47.6 yearsLee County: 48.5 yearsLeon County: 32 yearsLevy County: 47.7 yearsLiberty County: 39.3 yearsMadison County: 44.3 yearsManatee County: 48 yearsMarion County: 49.7 yearsMartin County: 52.3 yearsMiami-Dade County: 40.1 yearsMonroe County: 48.7 yearsNassau County: 46.2 yearsOkaloosa County: 37.6 yearsOkeechobee County: 41.4 yearsOrange County: 34.8 yearsOsceola County: 36.7 yearsPalm Beach County: 44.7 yearsPasco County: 45.1 yearsPinellas County: 48.2 yearsPolk County: 40.9 yearsPutnam County: 46.2 yearsSt. Johns County: 43.6 yearsSt. Lucie County: 45.4 yearsSanta Rosa County: 40.1 yearsSarasota County: 56.2 yearsSeminole County: 39 yearsSumter County: 67.4 yearsSuwannee County: 43.7 yearsTaylor County: 43 yearsUnion County: 41.8 yearsVolusia County: 47.4 yearsWakulla County: 41.8 yearsWalton County: 44.2 yearsWashington County: 43.2 years
  • Under 39
  • 39 to 42
  • 42 to 44
  • 44 to 46
  • 46 to 49
  • 49 and over
years, 2017. Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2017

Sumter County: 67.4 yearsSumter County67.4Charlotte County: 59.1 yearsCharlotte County59.1Citrus County: 57.1 yearsCitrus County57.1Sarasota County: 56.2 yearsSarasota County56.2Highlands County: 53.8 yearsHighlands County53.8Indian River County: 53.3 yearsIndian River County53.3Flagler County: 52.5 yearsFlagler County52.5Martin County: 52.3 yearsMartin County52.3Collier County: 51.1 yearsCollier County51.1Marion County: 49.7 yearsMarion County49.7Hernando County: 49.5 yearsHernando County49.5Monroe County: 48.7 yearsMonroe County48.7Franklin County: 48.6 yearsFranklin County48.6Lee County: 48.5 yearsLee County48.5Jefferson County: 48.3 yearsJefferson County48.3Pinellas County: 48.2 yearsPinellas County48.2Manatee County: 48 yearsManatee County48Brevard County: 47.9 yearsBrevard County47.9Levy County: 47.7 yearsLevy County47.7Lake County: 47.6 yearsLake County47.6Dixie County: 47.4 yearsDixie County47.4Volusia County: 47.4 yearsVolusia County47.4Nassau County: 46.2 yearsNassau County46.2Putnam County: 46.2 yearsPutnam County46.2St. Lucie County: 45.4 yearsSt. Lucie County45.4Pasco County: 45.1 yearsPasco County45.1Gulf County: 44.8 yearsGulf County44.8Palm Beach County: 44.7 yearsPalm Beach County44.7Glades County: 44.6 yearsGlades County44.6Madison County: 44.3 yearsMadison County44.3Walton County: 44.2 yearsWalton County44.2Gilchrist County: 43.8 yearsGilchrist County43.8Suwannee County: 43.7 yearsSuwannee County43.7St. Johns County: 43.6 yearsSt. Johns County43.6Holmes County: 43.2 yearsHolmes County43.2Washington County: 43.2 yearsWashington County43.2Taylor County: 43 yearsTaylor County43Gadsden County: 42.3 yearsGadsden County42.3Columbia County: 42.1 yearsColumbia County42.1Jackson County: 42 yearsJackson County42Sumter County: 67.4 yearsSumter County67.4Charlotte County: 59.1 yearsCharlotte County59.1Citrus County: 57.1 yearsCitrus County57.1Sarasota County: 56.2 yearsSarasota County56.2Highlands County: 53.8 yearsHighlands County53.8Indian River County: 53.3 yearsIndian River County53.3Flagler County: 52.5 yearsFlagler County52.5Martin County: 52.3 yearsMartin County52.3Collier County: 51.1 yearsCollier County51.1Marion County: 49.7 yearsMarion County49.7Hernando County: 49.5 yearsHernando County49.5Monroe County: 48.7 yearsMonroe County48.7Franklin County: 48.6 yearsFranklin County48.6Lee County: 48.5 yearsLee County48.5Jefferson County: 48.3 yearsJefferson County48.3Pinellas County: 48.2 yearsPinellas County48.2Manatee County: 48 yearsManatee County48Brevard County: 47.9 yearsBrevard County47.9Levy County: 47.7 yearsLevy County47.7Lake County: 47.6 yearsLake County47.6Dixie County: 47.4 yearsDixie County47.4Volusia County: 47.4 yearsVolusia County47.4Nassau County: 46.2 yearsNassau County46.2Putnam County: 46.2 yearsPutnam County46.2St. Lucie County: 45.4 yearsSt. Lucie County45.4Pasco County: 45.1 yearsPasco County45.1Gulf County: 44.8 yearsGulf County44.8Palm Beach County: 44.7 yearsPalm Beach County44.7Glades County: 44.6 yearsGlades County44.6Madison County: 44.3 yearsMadison County44.3Walton County: 44.2 yearsWalton County44.2Gilchrist County: 43.8 yearsGilchrist County43.8Suwannee County: 43.7 yearsSuwannee County43.7St. Johns County: 43.6 yearsSt. Johns County43.6Holmes County: 43.2 yearsHolmes County43.2Washington County: 43.2 yearsWashington County43.2Taylor County: 43 yearsTaylor County43Gadsden County: 42.3 yearsGadsden County42.3Columbia County: 42.1 yearsColumbia County42.1Jackson County: 42 yearsJackson County42
years. Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Retrieved 2026-10-12.

Full ranking

RankCounties2017
years		Change on 2016
1Sumter County67.4+0.5
2Charlotte County59.1+0.4
3Citrus County57.1+0.2
4Sarasota County56.2+0.5
5Highlands County53.8+0.3
6Indian River County53.3+0.7
7Flagler County52.5+0.6
8Martin County52.3+0.4
9Collier County51.1+0.6
10Marion County49.7+0.2
11Hernando County49.5-0.1
12Monroe County48.7+0.4
13Franklin County48.6+1.4
14Lee County48.5+0.4
15Jefferson County48.3+0.2
16Pinellas County48.2+0.3
17Manatee County48+0.4
18Brevard County47.9+0.1
19Levy County47.7+0.1
20Lake County47.6+0.3
21Dixie County47.4+0.1
21Volusia County47.4+0.2
23Nassau County46.2+0.3
23Putnam County46.2+0.3
25St. Lucie County45.4+0.3
26Pasco County45.10
27Gulf County44.8+0.4
28Palm Beach County44.7+0.2
29Glades County44.6+0.2
30Madison County44.3+0.4
31Walton County44.2+0.3
32Gilchrist County43.8+0.2
33Suwannee County43.7+0.3
34St. Johns County43.6+0.2
35Holmes County43.2+0.2
35Washington County43.2+0.4
37Taylor County43+0.4
38Gadsden County42.3+0.5
39Columbia County42.1+0.3
40Jackson County420
41Calhoun County41.8+0.4
41Hamilton County41.8+0.2
41Union County41.8+0.3
41Wakulla County41.8+0.5
45Bradford County41.6-0.4
45DeSoto County41.6-0.2
47Okeechobee County41.4+0.4
48Lafayette County41.3+1.2
49Polk County40.90
50Broward County40.6+0.2
51Miami-Dade County40.1+0.2
51Santa Rosa County40.1+0.3
53Bay County40+0.2
54Clay County39.6+0.2
55Liberty County39.3+0.3
56Seminole County390
57Escambia County38.9+0.3
58Baker County38+0.3
59Okaloosa County37.6+0.2
60Duval County37.1+0.3
61Hillsborough County37+0.2
62Osceola County36.7+0.2
63Hardee County36.1+0.3
64Orange County34.8+0.2
65Hendry County34.7+0.2
66Leon County32+0.3
67Alachua County31.5+0.2

Other periods

About this ranking

Age that divides the resident population of a US county into two halves of equal size on 1 July, from Census Bureau population estimates calculated by single year of age.

Counties only: the county file has no state or national medians, and medians cannot be added up. A single-year estimate, unlike median_age, which for US places is a five-year American Community Survey estimate.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage (Counties in Florida by median age on 1 July (US county estimates), 2017) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage, Counties in Florida by median age on 1 July (US county estimates), 2017. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties?period=2017. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Counties in Florida by median age on 1 July (US county estimates), 2017. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties?period=2017.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage, Counties in Florida by median age on 1 July (US county estimates), 2017 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_florida_by_2017,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: median age (MEDIAN\_AGE\_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage: Counties in Florida by median age on 1 July (US county estimates), 2017}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties?period=2017. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN\_AGE\_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage: Counties in Florida by median age on 1 July (US county estimates), 2017
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest median age on 1 July (US county estimates)?

Sumter County, with 67.4 years in 2017, according to the U.S. Census Bureau.

Which county has the lowest median age on 1 July (US county estimates)?

Alachua County, with 31.5 years in 2017.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Retrieved 2026-10-12.

Median age on 1 July (US county estimates): other rankings

Counties in Florida: more rankings