Willacy County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 22,134. Its county seat is Raymondville. The county was created in 1911 and organized the next year.
According to the U.S. Census Bureau, the county has a total area of 784 square miles (2,030 km), of which 591 square miles (1,530 km) is land and 194 square miles (500 km) (25%) is water. It borders the Gulf of Mexico.
As of the 2010 United States Census, there were 22,134 people residing in the county. 54.4% of residents were men. This population lived in 7,040 housing units. The population resides in 5,764 households and 4,607 families. Of all households, 46.0% had children under the age of 18 living with them, 54.5% were married couples living together, 19.3% had a female householder with no husband present, 6.1% had a male householder without a present wife, and non-families comprised 20.1% of households. 32.9% of all households contained an individual who was 65 years of age or older. The average household size was 3.28 and the average family size was 3.73.
Of the population, 85.8% of residents were White (10.1% non-Hispanic white), 2.1% Black or African American, 0.6% Asian, 0.3% Native American, 9.3% of some other race and 1.8% of two or more races. 87.2% of residents were Hispanic or Latino (of any race).
In the county, the population was spread out with 26.8% under the age of 18, 12.3% from 18 to 24, 27.8% from 25 to 44, 21.4% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 32 years.
The median income for a household in the county was $22,881, and the median income for a family was $25,399. The per capita income for the county was $10,800. 39.4% of families and 43.4% of the population were below the poverty line, including 50.5% of those under age 18 and 38.3% of those age 65 or over. The county’s per-capita income makes it among the poorest counties in the United States.