2020 census As of the
2020 census, the county had a population of 36,999 and a population density of . The median age was 40.2 years, with 21.1% of residents under the age of 18 and 19.8% 65 years of age or older. For every 100 females there were 107.3 males, and for every 100 females age 18 and over there were 107.1 males age 18 and over. The county's DHC data show that 66.8% of residents lived in urban areas while 33.2% lived in rural areas, and 94.86% reported being of one race. There were 15,046 households in the county, of which 25.8% had children under the age of 18 living in them. Of all households, 42.7% were married-couple households, 21.9% were households with a male householder and no spouse or partner present, and 27.8% were households with a female householder and no spouse or partner present. About 35.1% of all households were made up of individuals and 15.5% had someone living alone who was 65 years of age or older.
2000 census As of the
2000 census, there were 40,235 people, 15,878 households, and 10,304 families in the county. The population density was . There were 16,969 housing units at an average density of . The
racial makeup of the county was 93.39% White, 3.39% Black or African American, 0.30% Native American, 0.66% Asian, 0.02% Pacific Islander, 1.10% from other races, and 1.15% from two or more races. 2.35% of the population were Hispanic or Latino of any race. There were 15,878 households 30.20% had children under the age of 18 living with them, 51.80% were
married couples living together, 9.50% had a female householder with no husband present, and 35.10% were non-families. 30.30% of households were one person and 13.10% were one person aged 65 or older. The average household size was 2.38 and the average family size was 2.97. The age distribution was 24.50% under the age of 18, 11.10% from 18 to 24, 25.50% from 25 to 44, 21.60% from 45 to 64, and 17.40% 65 or older. The median age was 38 years. For every 100 females there were 100.30 males. For every 100 females age 18 and over, there were 98.20 males. The median household income was $35,334 and the median family income was $43,772. Males had a median income of $31,047 versus $23,042 for females. The per capita income for the county was $17,857. About 6.70% of families and 10.00% of the population were below the
poverty line, including 12.30% of those under age 18 and 7.00% of those age 65 or over.
Population ranking The population ranking of the following table is based on the
2020 census of Webster County.
† county seat ==Communities==