2020 census As of the
2020 census, Seneca had a population of 2,230. The median age was 36.0 years. 27.8% of residents were under the age of 18 and 18.6% of residents were 65 years of age or older. For every 100 females there were 86.8 males, and for every 100 females age 18 and over there were 83.5 males age 18 and over. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas. There were 842 households in Seneca, of which 34.9% had children under the age of 18 living in them. Of all households, 41.8% were married-couple households, 14.6% were households with a male householder and no spouse or partner present, and 36.3% were households with a female householder and no spouse or partner present. About 32.0% of all households were made up of individuals and 16.9% had someone living alone who was 65 years of age or older. of 2010, there were 2,336 people, 877 households, and 612 families living in the city. The
population density was . There were 962 housing units at an average density of . The racial makeup of the city was 85.3%
White, 0.3%
African American, 8.0%
Native American, 0.4%
Asian, 0.1%
Pacific Islander, 0.4% from
other races, and 5.5% from two or more races.
Hispanic or
Latino of any race were 2.2% of the population. There were 877 households, of which 40.5% had children under the age of 18 living with them, 48.2% were
married couples living together, 16.0% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 30.2% were non-families. 26.7% of all households were made up of individuals, and 14% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.13. The median age in the city was 35.3 years. 28.9% of residents were under the age of 18; 8.1% were between the ages of 18 and 24; 24% were from 25 to 44; 21.5% were from 45 to 64; and 17.3% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female.
2000 census As of the
census of 2000, there were 2,135 people, 820 households, and 575 families living in the city. The population density was . There were 876 housing units at an average density of . The racial makeup of the city was 88.99%
White, 0.09%
African American, 6.56%
Native American, 0.23%
Asian, 0.09%
Pacific Islander, 0.33% from
other races, and 3.70% from two or more races.
Hispanic or
Latino of any race were 1.12% of the population. There were 820 households, out of which 35.1% had children under the age of 18 living with them, 54.6% were
married couples living together, 13.0% had a female householder with no husband present, and 29.8% were non-families. 27.7% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.00. In the city the population was spread out, with 26.9% under the age of 18, 8.0% from 18 to 24, 25.3% from 25 to 44, 19.8% from 45 to 64, and 20.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 81.7 males. For every 100 females age 18 and over, there were 75.4 males. The median income for a household in the city was $29,441, and the median income for a family was $37,566. Males had a median income of $28,264 versus $19,662 for females. The
per capita income for the city was $14,525. About 8.8% of families and 14.1% of the population were below the
poverty line, including 15.4% of those under age 18 and 15.8% of those age 65 or over. ==Education==