Houston is a city in Texas County, Missouri, United States. The population was 1,992 at the 2000 census. It is the county seat of Texas County.
Houston is located at 37°19′24″N 91°57′35″W / 37.32333°N 91.95972°W / 37.32333; -91.95972 (37.323390, -91.959775). According to the United States Census Bureau, the city has a total area of 3.6 square miles (9.2 km²), all of it land. Houston is the second largest city in Texas County, behind Cabool.
As of the census of 2000, there were 1,992 people, 904 households, and 536 families residing in the city. The population density was 559.8 people per square mile (216.0/km²). There were 1,042 housing units at an average density of 292.8 per square mile (113.0/km²). The racial makeup of the city was 96.13% White, 0.20% African American, 0.80% Native American, 0.30% Asian, 0.35% from other races, and 2.21% from two or more races. Hispanic or Latino of any race were 1.46% of the population.