Jefferson County, Texas
County seat: Beaumont · Population 254,321 (2025) · 877 sq mi
Jefferson County is the 22nd most populous of Texas's 254 counties, with 254,321 people (2025 estimate). Its county seat is Beaumont. It is part of the Southeast region, one of the 12 Texas Comptroller economic regions. The map shows its 9 cities and towns and the 5 neighboring counties.
Jefferson County facts
- County seat
- Beaumont
- Population (2025 estimate)
- 254,321 −0.9% since 2020
- Land area
- 877 sq mi 174th largest of 254
- Water area
- 236 sq mi
- Population density
- 290 per sq mi
- Established
- 1836
- Named after
- Thomas Jefferson Founding Father, U.S. president from 1801 to 1809 (1743–1826)
- Largest city
- Beaumont 112,967
- Median household income
- $60,026
- Cities and towns
- 9 plus 4 CDPs
- ZIP codes
- 18
- Time zone
- Central
- FIPS code
- 48245
Cities and towns in Jefferson County
Jefferson County has 9 incorporated cities, towns and villages. 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 |
|---|---|---|---|
| Beaumont (county seat) | City | 112,967 | |
| Port Arthur | City | 55,719 | Orange County |
| Nederland | City | 18,108 | |
| Groves | City | 16,907 | |
| Port Neches | City | 13,768 | |
| China | City | 1,343 | |
| Bevil Oaks | City | 1,042 | |
| Nome | City | 472 | |
| Taylor Landing | City | 285 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Central Gardens | 3,976 | |
| Fannett | 1,654 | |
| Hamshire | 1,388 | |
| Beauxart Gardens | 1,276 |
ZIP codes in Jefferson County
18 ZIP codes reach into Jefferson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 77613
- 77619
- 77622
- 77627
- 77629 also Liberty County
- 77640
- 77642
- 77651
- 77655
- 77665 also Chambers County
- 77701
- 77702
- 77703
- 77705
- 77706
- 77707
- 77708
- 77713
Population of Jefferson County, 2020–2025
Jefferson County shrank by 2,217 people (−0.9%) between April 2020 and July 2025: 2,228 more births than deaths and a net loss of 4,458 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 256,141 |
| 2021 | 253,807 |
| 2022 | 252,341 |
| 2023 | 253,557 |
| 2024 | 254,497 |
| 2025 | 254,321 |
Neighboring counties
- Hardin County northwest · 58,723 people
- Orange County northeast · 86,266 people
- Chambers County west · 57,594 people
- Cameron Parish, Louisiana east · 4,718 people
- Liberty County northwest · 121,364 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) (178 KB)
- PNG (2400 px) (109 KB)
Paste this code to embed the map on your site:
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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