Crosby County is a county located in the U.S. state of Texas. In 2000, its population was 7,072. The seat of the county is Crosbyton. The county and its seat are both named for Stephen Crosby, a land commissioner in Texas. Crosby County is one of 46 prohibition, or entirely dry, counties in the state of Texas. It forms part of the Lubbock metropolitan area.
There were 2,512 households out of which 35.6% had children under the age of 18 living with them, 59.0% were married couples living together, 11.4% had a female householder with no husband present, and 25.7% were non-families. 23.8% of all households were made up of individuals and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.30.
In the county, the population was spread out with 30.7% under the age of 18, 8.5% from 18 to 24, 24.0% from 25 to 44, 21.1% from 45 to 64, and 15.6% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 91.1 males. For every 100 females age 18 and over, there were 87.2 males.
The median income for a household in the county was $25,769, and the median income for a family was $29,891. Males had a median income of $23,775 versus $17,229 for females. The per capita income for the county was $14,445. About 22.6% of families and 28.1% of the population were below the poverty line, including 36.6% of those under age 18 and 22.7% of those age 65 or over.