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Where am ILOCATED

Dallam County, Texas

Dallam County, Texas, has 7,508 residents (July 2025 estimate). Its county seat is Dalhart. It uses Central Time and covers 1,503 sq mi (3,894 km²) of land.

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Dallam County in Texas
Texline
Dallam County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
7,508
Land area
1,503 sq mi (3,894 km²)
County seat or government
Dalhart
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$71,500 ± $9,289
Median home value
$151,400 ± $17,833
Median rent, with utilities
$1,081 ± $95
Homes lived in by their owners
64% ± 6.8 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Dumas, TX micro area
Water area
1.78 sq mi (4.61 km²)
State
Texas
County code (FIPS)
48111
Coordinates (central point)
36.286370, -102.594020
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 Dallam 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. 7902210,826 people
  2. 790841,595 people
  3. 79087813 people
  4. 790519 people

4 ZIP Code areas overlap Dallam 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 Dallam County, largest first

  1. Dalhart Independent School District10,466 people
  2. Stratford Independent School District1,638 people
  3. Texline Independent School District1,025 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. Dalhart, Texas (city)7,902 people
  2. Texline, Texas (town)569 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Hartley County, Texas31 mi south
  2. Cimarron County, Oklahoma32 mi north
  3. Sherman County, Texas39 mi east
  4. Moore County, Texas50 mi southeast
  5. Union County, New Mexico51 mi west

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.