Fort Davis has the highest elevation above sea level of any county seat in Texas; the elevation is 5,050 feet.
There were 415 households out of which 32.0% had children under the age of 18 living with them, 57.6% were married couples living together, 10.6% had a female householder with no husband present, and 28.0% were non-families. 24.3% of all households were made up of individuals and 9.9% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.02.
In the CDP the population was spread out with 24.7% under the age of 18, 7.4% from 18 to 24, 26.9% from 25 to 44, 25.4% from 45 to 64, and 15.6% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 102.3 males. For every 100 females age 18 and over, there were 97.3 males.
The median income for a household in the CDP was $25,882, and the median income for a family was $27,955. Males had a median income of $22,500 versus $20,000 for females. The per capita income for the CDP was $14,249. About 20.7% of families and 21.6% of the population were below the poverty line, including 26.3% of those under age 18 and 26.0% of those age 65 or over.
Fort Davis is served by the Fort Davis Independent School District.