Valentine is a town in Jeff Davis County, Texas, United States. Its population was 134 at the 2010 census, down from 187 at the 2000 census.

The town 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.

The noted art installation Prada Marfa (2005) is located 1.5 miles (2.4 km) northwest of Valentine on U.S. Route 90. The Valentine resident and artist Boyd Elder (1944–2018) served as its caretaker.

Valentine is located in western Jeff Davis County 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.

Historical population

Census	Pop.	Note	%±
1890	100		—
1900	140		40.0%
1910	300		114.3%
1920	250		−16.7%
1930	629		151.6%
1940	499		−20.7%
1950	510		2.2%
1960	420		−17.6%
1970	213		−49.3%
1980	328		54.0%
1990	217		−33.8%
2000	187		−13.8%
2010	134		−28.3%
2020	73		−45.5%
U.S. Decennial Census

Valentine racial composition
(NH = Non-Hispanic)

Race	Number	Percentage
White (NH)	16	21.92%
Asian (NH)	1	1.37%
Mixed/Multi-Racial (NH)	6	8.22%
Hispanic or Latino	50	68.49%
Total	73

As of the 2020 United States census, there were 73 people, 56 households, and 41 families residing in the town.

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 inhabitants per square mile (150.1/km). There were 138 housing units at an average density of 286.9 per square mile (110.8/km). 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 65 or over.

Valentine experiences a semi-arid climate (Köppen BSk) with cool, dry winters and hot, dry summers.

The United States Postal Service operates the Valentine Post Office. On Valentine's Day many people send postcards to Valentine, Texas. In July 2011 the USPS announced that the post office may close.

Valentine is located on US 90, 35 miles (58 km) north of Marfa, and 40 miles (64 km) south of Van Horn.

Amtrak’s Sunset Limited passes through the town on Union Pacific tracks, but makes no stop. A stop is located 60 miles (96 km) to the southeast in Alpine.

Valentine Independent School District is the local district.

All of Jeff Davis County is zoned to Odessa College.

Valentine is home to, as one politician puts it, "the greatest ever West Texas Valentine's Day celebration." Hosted by the Big Bend Brewing Company of Alpine, Texas, as many as 1,000 people come to Valentine on Valentine's Day from points as close as Valentine itself, Marfa, and Alpine, to places such as Chicago and Cleveland. In 2014, the west Texas brewery served free cups of beer while Gary P. Nunn played live on stage.

On August 16, 1931, a magnitude 5.8 earthquake struck near Valentine, causing extensive damage. The earthquake was the most powerful ever recorded in Texas.

• List of municipalities in Texas

• Handbook of Texas Online article
• West Texas Weekly, a local weekly newspaper