Willacy County, Texas
County seat: Raymondville · Population 19,971 (2025) · 591 sq mi
Willacy County is the 124th most populous of Texas's 254 counties, with 19,971 people (2025 estimate). Its county seat is Raymondville. It is part of the South Texas region, one of the 12 Texas Comptroller economic regions. The map shows its 3 cities and towns and the 3 neighboring counties.
Willacy County facts
- County seat
- Raymondville
- Population (2025 estimate)
- 19,971 −0.9% since 2020
- Land area
- 591 sq mi 230th largest of 254
- Water area
- 194 sq mi
- Population density
- 34 per sq mi
- Established
- 1911
- Named after
- John G. Willacy Texas politician of late 19th and early 20th century
- Largest city
- Raymondville 10,082
- Median household income
- $54,180
- Cities and towns
- 3 plus 7 CDPs
- ZIP codes
- 6
- Time zone
- Central
- FIPS code
- 48489
Cities and towns in Willacy County
Willacy County has 3 incorporated cities, towns and villages. Populations count the people living inside Willacy County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Raymondville (county seat) | City | 10,082 | |
| Lyford | City | 2,210 | |
| San Perlita | City | 545 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lasara | 1,467 | |
| Sebastian | 1,021 | |
| Los Angeles | 553 | |
| Port Mansfield | 245 | |
| Ranchette Estates | 229 | |
| Zapata Ranch | 190 | |
| Santa Monica | 98 |
ZIP codes in Willacy County
6 ZIP codes reach into Willacy County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 78561
- 78569 also Hidalgo and Cameron counties
- 78580 also Kenedy County
- 78590
- 78594
- 78598
Population of Willacy County, 2020–2025
Willacy County shrank by 190 people (−0.9%) between April 2020 and July 2025: 97 more births than deaths and a net loss of 284 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 20,125 |
| 2021 | 20,278 |
| 2022 | 20,197 |
| 2023 | 20,011 |
| 2024 | 20,070 |
| 2025 | 19,971 |
Neighboring counties
- Cameron County south · 433,946 people
- Kenedy County north · 319 people
- Hidalgo County west · 921,549 people
Printable Willacy 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) (144 KB)
- PNG (2400 px) (82 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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