Ranking of Florida Counties By Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the population of Florida (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 1,682,505. Among all Florida counties, Miami-Dade County had the highest population (aged 25 years and above) with an educational attainment of Less than High School Diploma (335,701), followed by Broward County (137,900), and Palm Beach County (118,849).
The chart below shows the top 10 Florida counties, and the table below shows the ranking of all Florida counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Florida ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Florida Counties By Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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| Rank | County | Number of People |
|---|---|---|
| 1 | Miami-Dade County | 335701 |
| 2 | Broward County | 137900 |
| 3 | Palm Beach County | 118849 |
| 4 | Hillsborough County | 107589 |
| 5 | Orange County | 100495 |
| 6 | Polk County | 67511 |
| 7 | Duval County | 64073 |
| 8 | Pinellas County | 58225 |
| 9 | Lee County | 58139 |
| 10 | Pasco County | 38259 |
| 11 | Volusia County | 36146 |
| 12 | Osceola County | 33743 |
| 13 | Brevard County | 33648 |
| 14 | Marion County | 32053 |
| 15 | Collier County | 30001 |
| 16 | Manatee County | 28955 |
| 17 | St. Lucie County | 27918 |
| 18 | Lake County | 26743 |
| 19 | Sarasota County | 21710 |
| 20 | Escambia County | 20274 |
| 21 | Seminole County | 19249 |
| 22 | Hernando County | 15830 |
| 23 | Bay County | 12820 |
| 24 | Charlotte County | 12677 |
| 25 | Citrus County | 12231 |
| 26 | Clay County | 12043 |
| 27 | Leon County | 11864 |
| 28 | Alachua County | 11583 |
| 29 | Highlands County | 10983 |
| 30 | Indian River County | 10875 |
| 31 | Okaloosa County | 10222 |
| 32 | St. Johns County | 10023 |
| 33 | Santa Rosa County | 9992 |
| 34 | Martin County | 9692 |
| 35 | Putnam County | 9495 |
| 36 | Sumter County | 8925 |
| 37 | Hendry County | 7692 |
| 38 | Flagler County | 6736 |
| 39 | Columbia County | 6451 |
| 40 | DeSoto County | 6215 |
| 41 | Gadsden County | 5987 |
| 42 | Jackson County | 5848 |
| 43 | Nassau County | 5563 |
| 44 | Okeechobee County | 5457 |
| 45 | Suwannee County | 5264 |
| 46 | Monroe County | 5113 |
| 47 | Walton County | 4753 |
| 48 | Hardee County | 3940 |
| 49 | Levy County | 3877 |
| 50 | Bradford County | 3665 |
| 51 | Washington County | 2990 |
| 52 | Glades County | 2962 |
| 53 | Wakulla County | 2849 |
| 54 | Taylor County | 2846 |
| 55 | Holmes County | 2789 |
| 56 | Baker County | 2687 |
| 57 | Union County | 2670 |
| 58 | Madison County | 2629 |
| 59 | Hamilton County | 2504 |
| 60 | Dixie County | 2382 |
| 61 | Calhoun County | 2267 |
| 62 | Franklin County | 2026 |
| 63 | Jefferson County | 1745 |
| 64 | Gilchrist County | 1692 |
| 65 | Lafayette County | 1577 |
| 66 | Gulf County | 1570 |
| 67 | Liberty County | 1323 |