Population overview
San Patricio County is home to roughly 72,053 people, making up about 0.23% of the total population of Texas. Within the Central Texas region, it ranks #15 of 76 counties by population. The combination of 692 square miles of land and 72,053 residents yields a density of about 104.1 people per square mile — characteristic of small-town and exurban Texas, where towns are anchored by a county seat surrounded by working farmland and ranches.
How San Patricio County compares
Compared with the other 253 Texas counties, San Patricio County sits in the top 25% of the population distribution. It represents the broad middle of Texas — small to mid-sized counties with a clear county seat and a regionally rooted economy.
| Comparison | Population | vs San Patricio |
|---|---|---|
| San Patricio County | 72,053 | — |
| Central Texas region average | 81,016 | +12% |
| Texas county median | 18,916 | -74% |
| Largest in Texas (Harris) | 5,045,026 | +6902% |
Neighboring county populations
San Patricio County shares borders with 6 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Nueces County | Corpus Christi | 352,992 | 422.2 |
| Jim Wells County | Alice | 38,804 | 44.9 |
| Bee County | Beeville | 32,515 | 36.9 |
| Aransas County | Rockport | 26,146 | 103.8 |
| Live Oak County | George West | 11,929 | 11.5 |
| Refugio County | Refugio | 6,657 | 8.6 |
What the numbers mean
San Patricio County's density of about 104.1 people per square mile is about 86% of the Texas statewide average of roughly 121. Put another way, there are about 6 acres of land for every resident.
At this density the county is anchored by one or two real towns, with farms and ranches between them. Hospitals, school districts and retail tend to concentrate in Sinton, which draws shoppers and workers from surrounding rural areas.
San Patricio County in statewide context
By population the county ranks 52nd of 254; by land area it ranks 219th; and by density it ranks 49th. It punches above its size — more people than its land area alone would suggest.
Texas's population is extremely concentrated: the ten largest counties hold well over half of all Texans, while more than 150 counties have fewer than 30,000 residents. San Patricio County sits in the middle ground between the big metros and the rural majority.
About the data
Population figures on this page come from the U.S. Census Bureau. The decennial census provides the official count every ten years, and the Bureau's annual Population Estimates Program updates county totals between censuses. Land area comes from the Census Gazetteer and excludes water. Figures are rounded and may differ slightly from county or school district estimates that use other methods. See our methodology page for details.
Frequently asked questions
What is the population of San Patricio County, Texas?+
San Patricio County has an estimated population of 72,053 residents, based on the most recent U.S. Census data.
What is the population density of San Patricio County?+
San Patricio County has a population density of approximately 104.1 people per square mile across its 692 sq mi of land area — characteristic of a small-town / exurban county.
Where does San Patricio County rank among Texas counties by population?+
San Patricio County ranks #52 out of 254 Texas counties by total population, accounting for roughly 0.23% of the state's total population.
What is the most populous county near San Patricio County?+
Among the 6 counties bordering San Patricio, Nueces County is the most populous with about 352,992 residents.
How is San Patricio County's population measured?+
Population figures are sourced from the U.S. Census Bureau — the decennial census and annual American Community Survey (ACS) population estimates. See our methodology for full sourcing.