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Where am ILOCATED

Duval County, Texas

Duval County, Texas, has 9,402 residents (July 2025 estimate). Its county seat is San Diego. It uses Central Time and covers 1,793 sq mi (4,645 km²) of land.

HoustonSan AntonioDallas
Duval County in Texas
Jim Wells CountyWebb CountySan DiegoFreerBenavidesRealitosConcepcion
Duval County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
9,402
Land area
1,793 sq mi (4,645 km²)
County seat or government
San Diego
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$49,038 ± $8,942
Median home value
$89,400 ± $20,741
Median rent, with utilities
$741 ± $111
Homes lived in by their owners
70.4% ± 7.9 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Alice, TX micro area and Laredo, TX metro area
Water area
2.12 sq mi (5.48 km²)
State
Texas
County code (FIPS)
48131
Coordinates (central point)
27.681123, -98.497393
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Duval County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 7833227,042 people
  2. 783845,747 people
  3. 783725,383 people
  4. 783614,727 people
  5. 783572,624 people
  6. 783411,550 people
  7. 78349438 people
  8. 78376105 people

8 ZIP Code areas overlap Duval County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Duval County, largest first

  1. San Diego Independent School District5,920 people
  2. Premont Independent School District3,121 people
  3. Freer Independent School District2,596 people
  4. Benavides Independent School District1,634 people
  5. Ramirez Common School District108 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. San Diego, Texas (city)3,675 people
  2. Freer, Texas (city)2,253 people
  3. Benavides, Texas (city)1,470 people
  4. Realitos, Texas (CDP)32 people
  5. Concepcion, Texas (CDP)16 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Jim Wells County, Texas25 mi east
  2. Jim Hogg County, Texas46 mi south
  3. Brooks County, Texas48 mi south
  4. McMullen County, Texas49 mi north
  5. Live Oak County, Texas52 mi northeast
  6. Webb County, Texas52 mi west
  7. La Salle County, Texas59 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.