According to theU.S. Census Bureau, the county has a total area of 1,134 square miles (2,940 km2), of which 1,134 sq mi (2,940 km2) are land and 0.8 sq mi (2.1 km2) (0.07%) is covered by water.[5]
As of the2020 census, the county had a population of 18,385 and a median age of 33.0 years; 24.8% of residents were under age 18, and 13.2% were 65 years of age or older. For every 100 females there were 123.3 males, and for every 100 females age 18 and over there were 134.7 males age 18 and over.[10]
As of the2020 census, 49.3% of residents lived in urban areas while 50.7% lived in rural areas.[12]
As of the2020 census, there were 5,190 households, 37.9% of which had children under age 18; 45.4% were married-couple households, 19.1% were households with a male householder and no spouse or partner present, and 28.3% were households with a female householder and no spouse or partner present. About 23.4% of all households were made up of individuals and 10.7% had someone living alone who was 65 years of age or older. There were 6,340 housing units, 18.1% of which were vacant, 64.7% owner-occupied, 35.3% renter-occupied, with a 1.1% homeowner vacancy rate and a 10.1% rental vacancy rate.[10]
Frio County, Texas – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the2000 census, 16,252 people, 4,743 households, and 3,642 families resided in the county. Thepopulation density was 14 people per square mile (5.4 people/km2). The 5,660 housing units averaged 5 per square mile (1.9/km2). Theracial makeup of the county was 71.86% White, 4.87% Black or African American, 0.58% Native American, 0.41% Asian, 0.02% Pacific Islander, 19.76% from other races, and 2.50% from two or more races. About 73.76% of the population was Hispanic or Latino of any race.[16]
Of the 4,743 households, 40.70% had children under the age of 18 living with them, 55.20% were married couples living together, 16.00% had a female householder with no husband present, and 23.20% were not families. About 20.60% of all households was made up of individuals, and 9.30% had someone living alone who was 65 years of age or older. The average household size was 2.98 and the average family size was 3.44.
In the county, the population was distributed as 28.70% under the age of 18, 11.20% from 18 to 24, 30.80% from 25 to 44, 18.70% from 45 to 64, and 10.60% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 121.40 males. For every 100 females age 18 and over, there were 130.20 males.
The median income for a household in the county was $24,504, and for a family was $26,578. Males had a median income of $23,810 versus $16,498 for females. Theper capita income for the county was $16,069. About 24.50% of families and 29.00% of the population were below thepoverty line, including 36.20% of those under age 18 and 30.40% of those age 65 or over.