San Patricio County, Texas
County seat: Sinton · Population 72,053 (2025) · 693 sq mi
San Patricio County is the 52nd most populous of Texas's 254 counties, with 72,053 people (2025 estimate). Its county seat is Sinton. It is part of the South Texas region, one of the 12 Texas Comptroller economic regions. The map shows its 13 cities and towns and the 6 neighboring counties.
San Patricio County facts
- County seat
- Sinton
- Population (2025 estimate)
- 72,053 +4.8% since 2020
- Land area
- 693 sq mi 219th largest of 254
- Water area
- 15 sq mi
- Population density
- 104 per sq mi
- Established
- 1836
- Named after
- San Patricio city in Nueces and San Patricio counties, Texas, United States
- Largest city
- Portland 20,833 in the county
- Median household income
- $69,704
- Cities and towns
- 13 plus 13 CDPs
- ZIP codes
- 9
- Time zone
- Central
- FIPS code
- 48409
Cities and towns in San Patricio County
San Patricio County has 13 incorporated cities, towns and villages. Populations count the people living inside San Patricio County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Portland | City | 20,833 | Nueces County |
| Ingleside | City | 10,085 | Nueces County |
| Aransas Pass | City | 7,969 | Aransas and Nueces counties |
| Sinton (county seat) | City | 5,966 | |
| Mathis | City | 4,312 | |
| Taft | City | 2,939 | |
| Odem | City | 2,291 | |
| Gregory | City | 1,708 | |
| Ingleside on the Bay | City | 604 | |
| Lake City | Town | 488 | |
| San Patricio | City | 453 | |
| Lakeside | Town | 363 | |
| Corpus Christi | City | 5 | Aransas, Kleberg and Nueces counties |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Taft Southwest | 1,635 | |
| Lakeshore Gardens-Hidden Acres | 970 | |
| St. Paul | 769 | |
| Del Sol | 543 | |
| Tradewinds | 390 | |
| Rancho Chico | 384 | |
| Morgan Farm | 358 | |
| Edroy | 341 | |
| Loma Linda | 340 | |
| Falman | 39 | |
| Paisano Park | 34 | |
| Edgewater Estates | 0 | |
| La Paloma Addition | 0 |
ZIP codes in San Patricio County
9 ZIP codes reach into San Patricio County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 78336 also Aransas and Nueces counties
- 78352
- 78359
- 78362
- 78368 also Live Oak County
- 78370
- 78374
- 78387 also Bee County
- 78390 also Aransas County
Population of San Patricio County, 2020–2025
San Patricio County grew by 3,296 people (+4.8%) between April 2020 and July 2025: 475 more births than deaths and a net gain of 2,826 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 68,839 |
| 2021 | 69,755 |
| 2022 | 70,043 |
| 2023 | 70,761 |
| 2024 | 71,534 |
| 2025 | 72,053 |
Neighboring counties
- Nueces County south · 352,992 people
- Refugio County northeast · 6,657 people
- Bee County northwest · 32,515 people
- Aransas County northeast · 26,146 people
- Live Oak County northwest · 11,929 people
- Jim Wells County southwest · 38,804 people
Printable San Patricio 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) (186 KB)
- PNG (2400 px) (110 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.
Back to the Texas county map with all 254 counties. Found an error? Tell us.