Valentine is a town in Jeff Davis County, Texas, United States. The population was 134 at the 2010 census, down from 187 at the 2000 census. It is the only incorporated municipality in Jeff Davis County. Its name refers to the date of its founding in 1882 by a Southern Pacific Railroad construction crew: February 14. It is one of several cities named Valentine in the United States where the U.S. Postal Service cancels envelopes for Valentine’s Day.
Valentine is located in western Jeff Davis County at 30°35′15″N 104°29′44″W / 30.58750°N 104.49556°W / 30.58750; -104.49556 (30.587504, -104.495498), along U.S. Route 90. The highway leads northwest 38 miles (61 km) to Interstate 10 at Van Horn, and southeast 35 miles (56 km) to Marfa.
According to the United States Census Bureau, the town has a total area of 0.49 square miles (1.26 km), all land. The town sits in a flat basin between the Davis Mountains 15 miles (24 km) to the east and the Sierra Vieja 11 miles (18 km) to the west.
As of the census of 2000, there were 187 people, 72 households, and 55 families residing in the town. The population density was 388.8 people per square mile (150.4/km²). There were 138 housing units at an average density of 286.9 per square mile (111.0/km²). The racial makeup of the town was 89.84% White, 0.53% African American, 8.02% from other races, and 1.60% from two or more races. Hispanic or Latino of any race were 58.82% of the population.
There were 72 households out of which 33.3% had children under the age of 18 living with them, 65.3% were married couples living together, 2.8% had a female householder with no husband present, and 23.6% were non-families. 22.2% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.04.
In the town, the population was spread out with 25.7% under the age of 18, 3.7% from 18 to 24, 24.6% from 25 to 44, 25.1% from 45 to 64, and 20.9% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 103.3 males. For every 100 females age 18 and over, there were 104.4 males.
The median income for a household in the town was $34,375, and the median income for a family was $38,750. Males had a median income of $22,031 versus $33,333 for females. The per capita income for the town was $16,136. About 12.8% of families and 10.7% of the population were below the poverty line, including 13.2% of those under the age of eighteen and none of those sixty five or over.