Jefferson County, Florida
County seat: Monticello · Population 16,007 (2025) · 598 sq mi
Jefferson County is the 60th most populous of Florida's 67 counties, with 16,007 people (2025 estimate). Its county seat is Monticello. It is part of the Apalachee region, one of the 10 Florida regional planning council regions. The map shows its 1 city or town and the 6 neighboring counties.
Jefferson County facts
- County seat
- Monticello
- Population (2025 estimate)
- 16,007 +10.3% since 2020
- Land area
- 598 sq mi 45th largest of 67
- Water area
- 75 sq mi
- Population density
- 27 per sq mi
- Established
- 1827
- Named after
- Thomas Jefferson Founding Father, U.S. president from 1801 to 1809 (1743–1826)
- Largest city
- Monticello 2,767
- Median household income
- $61,212
- Cities and towns
- 1 plus 5 CDPs
- ZIP codes
- 5
- Time zone
- Eastern
- FIPS code
- 12065
Cities and towns in Jefferson County
Jefferson County has 1 incorporated place. Populations count the people living inside Jefferson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Monticello (county seat) | City | 2,767 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Wacissa | 355 | |
| Aucilla | 203 | |
| Lloyd | 187 | |
| Waukeenah | 115 | |
| Lamont | 78 |
ZIP codes in Jefferson County
5 ZIP codes reach into Jefferson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 32331 also Madison and Taylor counties
- 32336 also Taylor and Madison counties
- 32337
- 32344
- 32361
Population of Jefferson County, 2020–2025
Jefferson County grew by 1,495 people (+10.3%) between April 2020 and July 2025: 382 more deaths than births and a net gain of 1,830 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 14,403 |
| 2021 | 14,501 |
| 2022 | 15,113 |
| 2023 | 15,560 |
| 2024 | 15,945 |
| 2025 | 16,007 |
Neighboring counties
- Madison County east · 18,759 people
- Taylor County southeast · 21,210 people
- Leon County west · 299,048 people
- Wakulla County southwest · 38,089 people
- Thomas County, Georgia north · 46,368 people
- Brooks County, Georgia northeast · 16,101 people
Printable Jefferson County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (119 KB)
- PNG (2400 px) (85 KB)
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Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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