What county is Dalhart, TX in?
Updated · Data: U.S. Census Bureau
Dalhart, Texas is in 2 counties. Most residents (67.7%) live in the Dallam County part; the rest live in Hartley County.
Which counties do Dalhart residents live in?
| County | Share of residents | Chart |
|---|---|---|
| Dallam County | 67.7% (5,339 people) | |
| Hartley County | 32.3% (2,546 people) |
How is Dalhart's land split between counties?
| County | Share of land area | Chart |
|---|---|---|
| Dallam County | 59.4% | |
| Hartley County | 40.6% |
Inside Dalhart, the county depends on the address: check your address privately. See all Texas cities in more than one county or look up another city.
Dalhart at a glance
What ZIP codes are in Dalhart?
1 ZIP codes use the name Dalhart or are centered in it. Shares are of each ZIP's land; a ZIP named after a town can reach beyond its city limits.
| ZIP | Post office name | County (land share) |
|---|---|---|
| 79022 | Dalhart | Dallam County 58%, Hartley County 42% |
About Dallam County
County seat: Dalhart. FIPS code 48111. Population 7,180. All Dallam County facts.
Towns near Dalhart
- Cactus: 28 mi away, Moore County
- Stratford: 31 mi away, Sherman County
- Dumas: 33 mi away, Moore County
- Sunray: 39 mi away, Moore County
- Fritch: 59 mi away, Hutchinson County
- Stinnett: 62 mi away, Hutchinson County
Dalhart has about 7,885 people. It is an incorporated city or town.
Sources: ACS 2019-2023 5-year (residents by county, table B01003); Census TIGER/Line 2024 and Gazetteer 2024 (land, location); Census 2020 ZCTA file and GeoNames (ZIP codes). Data as of November 1, 2026. Not affiliated with any government agency.
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