Oquawka is a village in Henderson County, Illinois, United States. The population was 1,371 at the 2010 census. It is the county seat of Henderson County. Oquawka is part of the Burlington, IA–IL Micropolitan Statistical Area. Geography Oquawka is located at (40.938880, -90.949044). According to the 2010 census, Oquawka has a total area of , of which (or 79.07%) is land and (or 20.93%) is water. Demographics 2010 census As of the census of 2010, there were 1,371 people, 627 households, and 378 families living in the village. The population density was . There were 721 housing units at an average density of . The racial makeup of the village was 98.61% White, 0.07% African American, 0.36% Native American, 0.14% Asian, and 1.30% from two or more races. Hispanic or Latino of any race were 1.46% of the population. There were 627 households, out of which 22.6% had children under the age of 18 living with them, 44.3% were married couples living together, 10.8% had a female householder with no husband present, and 39.7% were non-families. 34.3% of all households were made up of individuals, and 36.5% had someone living alone who was 65 years of age or older. The average household size was 2.19 and the average family size was 2.79. In the village, the population was spread out, with 21.1% under the age of 18, 3.4% from 18 to 24, 21.2% from 25 to 44, 29.7% from 45 to 64, and 21.8% who were 65 years of age or older. The median age was 46 years. For every 100 males there were 98.4 females. For every 100 females age 18 and over, there were 99.3 males. The median income for a household in the village was $28,750, and the median income for a family was $50,938. Males had a median income of $40,729 versus $25,500 for females. The per capita income for the village was $17,703. About 12.6% of families and 19.4% of the population were below the poverty line, including 32.4% of those under age 18 and 15.6% of those age 65 or over. 2000 census As of the census of 2000, there were 1,539 people, 656 households, and 421 families living in the village. The population density was . There were 736 housing units at an average density of . The racial makeup of the village was 98.38% White, 0.06% African American, 0.13% Native American, 0.13%