Hardin County is a county located in the state of Texas, United States. In 2000, its population was 48,073. The county is named for a family from Liberty County, Texas. The seat of the county is Kountze. It is part of the Beaumont–Port Arthur Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 897 square miles (2,324 km²), of which, 894 square miles (2,316 km²) of it is land and 3 square miles (8 km²) of it (0.34%) is water.
Its eastern boundaries with Jasper County and Orange County are formed by the Neches River. The southern boundary with Jefferson County is formed by Pine Island Bayou.
There were 17,805 households out of which 37.2% had children under the age of 18 living with them, 62.6% were married couples living together, 10.2% had a female householder with no husband present, and 23.4% were non-families. 20.7% of all households were made up of individuals and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.09.
In the county, the population was spread out with 27.8% under the age of 18, 8.5% from 18 to 24, 28.3% from 25 to 44, 23.2% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 96.7 males. For every 100 females age 18 and over, there were 92.4 males.
The median income for a household in the county was $37,612, and the median income for a family was $42,890. Males had a median income of $35,881 versus $22,823 for females. The per capita income for the county was $17,962. About 8.8% of families and 11.20% of the population were below the poverty line, including 13.3% of those under age 18 and 10.6% of those age 65 or over.