Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Florida

Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate)

Hendry County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 67 counties in 2021, at 30.9%. St. Johns County had the lowest, at 11.1%. The median was 18.5% and the figure for Florida was 17.8%. Source: the U.S. Census Bureau.

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Highest30.9Hendry County
Lowest11.1St. Johns County
Median18.567 counties
Florida17.8History

Map of counties, 2021

Alachua County: 14.3 %Baker County: 15.4 %Bay County: 18.6 %Bradford County: 18 %Brevard County: 15.8 %Broward County: 17.6 %Calhoun County: 19.9 %Charlotte County: 18.1 %Citrus County: 18.5 %Clay County: 13.1 %Collier County: 19.6 %Columbia County: 17.4 %DeSoto County: 28.9 %Dixie County: 20.5 %Duval County: 15.9 %Escambia County: 17.2 %Flagler County: 15.4 %Franklin County: 20.6 %Gadsden County: 19.9 %Gilchrist County: 18.8 %Glades County: 29.3 %Gulf County: 17.6 %Hamilton County: 18.6 %Hardee County: 27 %Hendry County: 30.9 %Hernando County: 18.8 %Highlands County: 22.9 %Hillsborough County: 16.7 %Holmes County: 20.1 %Indian River County: 19.4 %Jackson County: 16.9 %Jefferson County: 18.7 %Lafayette County: 24.3 %Lake County: 17.3 %Lee County: 19.2 %Leon County: 13.1 %Levy County: 21.7 %Liberty County: 18.3 %Madison County: 19.6 %Manatee County: 19.1 %Marion County: 19.9 %Martin County: 17.6 %Miami-Dade County: 19.9 %Monroe County: 20.6 %Nassau County: 12.6 %Okaloosa County: 16.3 %Okeechobee County: 24.7 %Orange County: 17.9 %Osceola County: 18.8 %Palm Beach County: 18.9 %Pasco County: 17.4 %Pinellas County: 16.3 %Polk County: 21 %Putnam County: 22.4 %St. Johns County: 11.1 %St. Lucie County: 18.4 %Santa Rosa County: 14 %Sarasota County: 16 %Seminole County: 14.5 %Sumter County: 13.8 %Suwannee County: 20 %Taylor County: 18.3 %Union County: 13.3 %Volusia County: 18.9 %Wakulla County: 14.6 %Walton County: 16.7 %Washington County: 20.4 %
  • Under 15
  • 15 to 17
  • 17 to 19
  • 19 to 21
  • 21 and over
%, 2021. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2021

Hendry County: 30.9 %Hendry County30.9Glades County: 29.3 %Glades County29.3DeSoto County: 28.9 %DeSoto County28.9Hardee County: 27 %Hardee County27Okeechobee County: 24.7 %Okeechobee County24.7Lafayette County: 24.3 %Lafayette County24.3Highlands County: 22.9 %Highlands County22.9Putnam County: 22.4 %Putnam County22.4Levy County: 21.7 %Levy County21.7Polk County: 21 %Polk County21Franklin County: 20.6 %Franklin County20.6Monroe County: 20.6 %Monroe County20.6Dixie County: 20.5 %Dixie County20.5Washington County: 20.4 %Washington County20.4Holmes County: 20.1 %Holmes County20.1Suwannee County: 20 %Suwannee County20Calhoun County: 19.9 %Calhoun County19.9Gadsden County: 19.9 %Gadsden County19.9Marion County: 19.9 %Marion County19.9Miami-Dade County: 19.9 %Miami-Dade County19.9Collier County: 19.6 %Collier County19.6Madison County: 19.6 %Madison County19.6Indian River County: 19.4 %Indian River County19.4Lee County: 19.2 %Lee County19.2Manatee County: 19.1 %Manatee County19.1Palm Beach County: 18.9 %Palm Beach County18.9Volusia County: 18.9 %Volusia County18.9Gilchrist County: 18.8 %Gilchrist County18.8Hernando County: 18.8 %Hernando County18.8Osceola County: 18.8 %Osceola County18.8Jefferson County: 18.7 %Jefferson County18.7Bay County: 18.6 %Bay County18.6Hamilton County: 18.6 %Hamilton County18.6Citrus County: 18.5 %Citrus County18.5St. Lucie County: 18.4 %St. Lucie County18.4Liberty County: 18.3 %Liberty County18.3Taylor County: 18.3 %Taylor County18.3Charlotte County: 18.1 %Charlotte County18.1Bradford County: 18 %Bradford County18Orange County: 17.9 %Orange County17.9Hendry County: 30.9 %Hendry County30.9Glades County: 29.3 %Glades County29.3DeSoto County: 28.9 %DeSoto County28.9Hardee County: 27 %Hardee County27Okeechobee County: 24.7 %Okeechobee County24.7Lafayette County: 24.3 %Lafayette County24.3Highlands County: 22.9 %Highlands County22.9Putnam County: 22.4 %Putnam County22.4Levy County: 21.7 %Levy County21.7Polk County: 21 %Polk County21Franklin County: 20.6 %Franklin County20.6Monroe County: 20.6 %Monroe County20.6Dixie County: 20.5 %Dixie County20.5Washington County: 20.4 %Washington County20.4Holmes County: 20.1 %Holmes County20.1Suwannee County: 20 %Suwannee County20Calhoun County: 19.9 %Calhoun County19.9Gadsden County: 19.9 %Gadsden County19.9Marion County: 19.9 %Marion County19.9Miami-Dade County: 19.9 %Miami-Dade County19.9Collier County: 19.6 %Collier County19.6Madison County: 19.6 %Madison County19.6Indian River County: 19.4 %Indian River County19.4Lee County: 19.2 %Lee County19.2Manatee County: 19.1 %Manatee County19.1Palm Beach County: 18.9 %Palm Beach County18.9Volusia County: 18.9 %Volusia County18.9Gilchrist County: 18.8 %Gilchrist County18.8Hernando County: 18.8 %Hernando County18.8Osceola County: 18.8 %Osceola County18.8Jefferson County: 18.7 %Jefferson County18.7Bay County: 18.6 %Bay County18.6Hamilton County: 18.6 %Hamilton County18.6Citrus County: 18.5 %Citrus County18.5St. Lucie County: 18.4 %St. Lucie County18.4Liberty County: 18.3 %Liberty County18.3Taylor County: 18.3 %Taylor County18.3Charlotte County: 18.1 %Charlotte County18.1Bradford County: 18 %Bradford County18Orange County: 17.9 %Orange County17.9
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)Change on 2020
1Hendry County30.9-2.9 pts
2Glades County29.3-0.3 pts
3DeSoto County28.9-1.8 pts
4Hardee County27+2.3 pts
5Okeechobee County24.7-1.3 pts
6Lafayette County24.3+2.7 pts
7Highlands County22.9+0.5 pts
8Putnam County22.4+0.6 pts
9Levy County21.7-0.2 pts
10Polk County21+1.4 pts
11Franklin County20.6-0.5 pts
11Monroe County20.6+1.2 pts
13Dixie County20.5+2.7 pts
14Washington County20.4-2.8 pts
15Holmes County20.1+0.5 pts
16Suwannee County20-0.6 pts
17Calhoun County19.9+0.6 pts
17Gadsden County19.9-1 pts
17Marion County19.9+0.7 pts
17Miami-Dade County19.9-1.4 pts
21Collier County19.6-0.9 pts
21Madison County19.6+0.1 pts
23Indian River County19.4-0.7 pts
24Lee County19.2-3 pts
25Manatee County19.1+0.8 pts
26Palm Beach County18.9-2.3 pts
26Volusia County18.9+1.1 pts
28Gilchrist County18.8+0.1 pts
28Hernando County18.8-0.2 pts
28Osceola County18.8+1 pts
31Jefferson County18.7+1.3 pts
32Bay County18.6-1.2 pts
32Hamilton County18.6-0.6 pts
34Citrus County18.5+0.7 pts
35St. Lucie County18.4-3.5 pts
36Liberty County18.3-0.7 pts
36Taylor County18.3+0.5 pts
38Charlotte County18.1-1.2 pts
39Bradford County18+1.4 pts
40Orange County17.9+0.2 pts
41Broward County17.6-2.3 pts
41Gulf County17.60 pts
41Martin County17.6+0.8 pts
44Columbia County17.40 pts
44Pasco County17.4+1.8 pts
46Lake County17.3-1.4 pts
47Escambia County17.2+0.3 pts
48Jackson County16.9-0.1 pts
49Hillsborough County16.7+1.3 pts
49Walton County16.7-2.5 pts
51Okaloosa County16.3-0.8 pts
51Pinellas County16.3+0.1 pts
53Sarasota County16-2.1 pts
54Duval County15.9-0.3 pts
55Brevard County15.8-0.5 pts
56Baker County15.4-0.2 pts
56Flagler County15.4-1.5 pts
58Wakulla County14.6-1.5 pts
59Seminole County14.5-0.1 pts
60Alachua County14.3+1.1 pts
61Santa Rosa County14-3.5 pts
62Sumter County13.8+0.8 pts
63Union County13.3+0.1 pts
64Clay County13.1-2.6 pts
64Leon County13.1+0.3 pts
66Nassau County12.6-1.7 pts
67St. Johns County11.1-0.5 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate), 2021. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/florida-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/florida-counties?period=2021.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/florida-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_florida_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/florida-counties?period=2021. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate), 2021
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/florida-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/florida-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Retrieved 2026-10-12.
ER  -
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Rank Counties in Florida by uninsured rate, ages 18 to 64 (US model-based estimate) using official data, and cite the source.
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Hendry County, with 30.9% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

St. Johns County, with 11.1% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Florida: more rankings