Leon Valley is a city in Bexar County, Texas, United States. It is an enclave on the northwest side of San Antonio and is part of the San Antonio-New Braunfels Metropolitan Statistical Area. Leon Valley is an independent municipality surrounded by the city of San Antonio. Leon Valley was developed in the 1950s. In 1952 residents filed a petition for incorporation as an independent city since the residents did not wish to be annexed by San Antonio. Leon Valley had a population of 536 in 1960. Sometime in the 1960s Leon Valley incorporated as a city.
The median income for a household in the city was $49,079, and the median income for a family was $56,543. Males had a median income of $32,917 versus $28,700 for females. The per capita income for the city was $21,743. About 4.8% of families and 8.1% of the population were below the poverty line, including 12.6% of those under age 18 and 6.6% of those age 65 or over. The median home price for Leon Valley has appreciated every year since 2000. In 2005 the median home price in Leon Valley was $95,480.