Dallam County, Texas
Dallam County: county in Texas, United States
About
Dallam County is a county located in the U.S. state of Texas. As of the 2010 census, the population was 6,703 and a population density of 2 people per km². After 10 years in 2020 county had an estimated population of 7,273 inhabitants. Its county seat is Dalhart. The county was created 150 years ago in 1875.
County Snapshot
Dallam County at a glance
Dallam County currently has 1 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
1
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Texas counties
254
Open related pagesLargest city
TexlinePopulation 534
Top linked places
Quick Facts about Dallam County
| Population | 7,273 (2020) |
| Country | United States of America |
| State | Texas (United States) |
| Different from | Dallas County, Dallas County, Dallas County, Dallas County, Dallas County |
| Area | 3899 km2 |
| Water as percent of area | 0.1% |
| Land as percent of area | 99.9% |
| Latitude & Longitude | 36.2779,-102.6022 |
| Altitude | 4,193 feet / 1278 meters |
| Capital | Dalhart |
| Establishment | January 01, 1876 |
| Time Zone | Central Time Zone |
| Local time | 04:15:10 (17th April 2026) |
| Density | 2 Pop. per km² as of 2020 |
| Population growth | 7.84% (2010-2020) |
Geography
Dallam County is located at 36°16'40"N 102°36'8"W (36.2778900, -102.6022200). It has 5 neighbors: Union County, Cimarron County, Hartley County, Moore County and Sherman County.
Dallam County map
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The largest city of Dallam County is Texline with a population of 534. . See all Dallam County cities & populated places.
Dallam County Populated Places
Cities, towns, neighborhoods & other populated places in Dallam County.
| City Name | Population | Title |
|---|---|---|
| Texline | 534 | Town in Dallam County, Texas, United States |
Official website of Dallam County
Official Website- Dalhart
Demographics
The population of Dallam County increased by 7.84% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 6,703 | - | census |
| 2011 | 6,888 | 2.69% | estimation process |
| 2012 | 7,059 | 2.42% | estimation process |
| 2013 | 7,110 | 0.72% | estimation process |
| 2014 | 7,214 | 1.44% | estimation process |
| 2015 | 7,301 | 1.19% | estimation process |
| 2016 | 7,357 | 0.76% | estimation process |
| 2017 | 7,272 | -1.17% | estimation process |
| 2018 | 7,303 | 0.42% | estimation process |
| 2019 | 7,287 | -0.22% | estimation process |
| 2020 | 7,273 | -0.19% | estimation process |
Texas Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Harris County | 4,738,253 | County in Texas, United States |
| Dallas County | 2,635,888 | County in Texas, United States |
| Houston | 2,316,120 | The fourth most populous city in the United States and the center of the Houston metropolitan area. |
| Tarrant County | 2,123,347 | County in Texas, United States |
| Bexar County | 2,026,823 | County in Texas, United States |
| San Antonio | 1,567,118 | The seventh most populous city in the United States and the center of the San Antonio metropolitan area. |
| Dallas | 1,343,266 | The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area. |
| Travis County | 1,300,503 | County in Texas, United States |
| Collin County | 1,072,069 | County in Texas, United States |
| Austin | 995,484 | The eleventh most populous city in the United States and the center of the Austin metropolitan area. |
| Fort Worth | 927,720 | The twelfth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area. |
| Denton County | 919,324 | County in Texas, United States |
| Montopolis | 912,791 | This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas. |
| Hidalgo County | 875,200 | County in New Mexico, United States |
| El Paso County | 841,286 | County in Texas, United States |
| Fort Bend County | 839,706 | County in Texas, United States |