| County: | Hartley County |
| State: | Texas |
| Founded: | 1891 |
| Seat Wl: | Channing |
| Largest City Wl: | Dalhart |
| City Type: | community |
| Area Total Sq Mi: | 1463 |
| Area Land Sq Mi: | 1462 |
| Area Water Sq Mi: | 1.2 |
| Area Percentage: | 0.08 |
| Census Yr: | 2020 |
| Pop: | 5382 |
| Density Sq Mi: | 3.7 |
| Ex Image: | File:Hartley County courthouse May 2020.jpg |
| Ex Image Size: | 250 |
| Ex Image Cap: | 1906 Hartley County Courthouse |
| Web: | www.co.hartley.tx.us |
| Time Zone: | Central |
| District: | 13th |
Hartley County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 5,382.[1] The county seat is Channing.[2] The county was created in 1876 and later organized in 1891.[3] It is named for Oliver C. Hartley and his brother, Rufus K. Hartley, two early Texas legislators and lawyers.
According to the U.S. Census Bureau, the county has a total area of, of which are land and (0.08%) are covered by water.[4]
| White alone (NH) | 4,270 | 4,111 | style='background: #ffffe6; | 3,403 | 77.12% | 67.82% | style='background: #ffffe6; | 63.23% | |
| Black or African American alone (NH) | 445 | 416 | style='background: #ffffe6; | 191 | 8.04% | 6.86% | style='background: #ffffe6; | 3.55% | |
| Native American or Alaska Native alone (NH) | 16 | 18 | style='background: #ffffe6; | 15 | 0.29% | 0.30% | style='background: #ffffe6; | 0.28% | |
| Asian alone (NH) | 14 | 29 | style='background: #ffffe6; | 24 | 0.25% | 0.48% | style='background: #ffffe6; | 0.45% | |
| Pacific Islander alone (NH) | 1 | 3 | style='background: #ffffe6; | 5 | 0.02% | 0.05% | style='background: #ffffe6; | 0.09% | |
| Other race alone (NH) | 0 | 8 | style='background: #ffffe6; | 1 | 0.00% | 0.13% | style='background: #ffffe6; | 0.02% | |
| Mixed race or Multiracial (NH) | 33 | 29 | style='background: #ffffe6; | 112 | 0.60% | 0.48% | style='background: #ffffe6; | 2.08% | |
| Hispanic or Latino (any race) | 758 | 1,448 | style='background: #ffffe6; | 1,631 | 13.69% | 23.89% | style='background: #ffffe6; | 30.30% | |
| Total | 5,537 | 6,062 | style='background: #ffffe6; | 5,382 | 100.00% | 100.00% | style='background: #ffffe6; | 100.00% |
As of the census[8] of 2000, 5,537 people, 1,604 households, and 1,220 families were residing in the county. The population density was 4/mi2. The 1,760 housing units had an average density of 1/mi2. The racial makeup of the county was 81.07% White, 8.15% African American, 0.43% Native American, 0.27% Asian, 8.65% from other races, and 1.43% from two or more races. About 13.69% of the population were Hispanics or Latinos of any race. In ancestry, 21.0% were of German, 12.6% were of English, 12.3% were of Irish, 6.6% were of American, 4.3% were of French, 3.0% were of Scottish, and 3.0% were of Dutch.
Of the 1,604 households, 35.5% had children under 18 living with them, 68.9% were married couples living together, 4.7% had a female householder with no husband present, and 23.9% were not families; 21.6% of all households were made up of individuals, and 11.8% had someone living alone who was 65 or older. The average household size was 2.56, and the average family size was 2.98.
In the county, the age distribution was 20.8% under 18, 4.7% from 18 to 24, 35.7% from 25 to 44, 26.9% from 45 to 64, and 11.90% who were 65 or older. The median age was 40 years. For every 100 females, there were 154.10 males. For every 100 females age 18 and over, there were 172.90 males.
The median income for a household in the county was $46,327, and for a family was $53,004. Males had a median income of $29,783 versus $21,783 for females. The per capita income for the county was $18,067. About 3.70% of families and 6.60% of the population were below the poverty line, including 8.0% of those under age 18 and 5.3% of those age 65 or over.
The Texas Department of Criminal Justice operates the Dalhart Unit prison in an unincorporated area in the county, near Dalhart.[9]