Three Rivers is a city in Live Oak County, Texas, home to about 1,256 people across 1.5 square miles. Its ZIP code is 78071.
Mostly Three Rivers
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| Nearest major airport | San Antonio International Airport (SAT)75 miles away |
|---|---|
| Closer regional airport | Corpus Christi International Airport (CRP)64 miles away |
| Nearest city of 250,000+ | San Antonio, TX71 miles away |
Straight-line distances from the center of Three Rivers; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Three Rivers had 1,474 residents in the 2020 census, down 22% since 2000.
It’s the 924th largest of 1,778 towns in Texas by population.
Live Oak County grew from 2,268 residents in 1900 to 11,335 in 2020.
Live Oak County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 97°F in summer, and winter lows average 43°F. About 26.6 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Choke Canyon Dam, TX weather station (5 miles away).
2,589 jobs at 259 businesses in Live Oak County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
9 doctors and other health care providers list an office in Three Rivers.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 2 |
| Physical and occupational therapists | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Three Rivers ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Three Rivers ElThree Rivers | Pre-K–6 | 312 | Public | 1.2 mi |
| Three Rivers Jr./Sr. H SThree Rivers | 7–12 | 254 | Public | 1.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.