According to theU.S. Census Bureau, the county has a total area of 199 square miles (520 km2), of which 189 square miles (490 km2) is land and 9.5 square miles (25 km2) (4.8%) is water.[3] The county's western border with Missouri is formed by theMississippi River.
U.S. Decennial Census[5] 1790-1960[6] 1900-1990[7] 1990-2000[8] 2020-2021[9]
As of thecensus[10] of 2000, there were 5,351 people, 2,208 households, and 1,574 families residing in the county. Thepopulation density was 28 per square mile (11/km2). There were 2,490 housing units at an average density of 13 per square mile (5.0/km2). The racial makeup of the county was 97.78%White, 0.95%Black orAfrican American, 0.41%Native American, 0.07%Asian, 0.22% fromother races, and 0.56% from two or more races. 0.82% of the population wereHispanic orLatino of any race.
There were 2,208 households, out of which 30.60% had children under the age of 18 living with them, 58.50% weremarried couples living together, 9.30% had a female householder with no husband present, and 28.70% were non-families. 26.30% of all households were made up of individuals, and 13.10% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.88.
In the county, the population was spread out, with 23.40% under the age of 18, 7.80% from 18 to 24, 26.40% from 25 to 44, 24.10% from 45 to 64, and 18.30% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 95.20 males. For every 100 females age 18 and over, there were 92.90 males.
The median income for a household in the county was $30,087, and the median income for a family was $33,433. Males had a median income of $29,523 versus $19,792 for females. Theper capita income for the county was $16,276. About 10.50% of families and 13.10% of the population were below thepoverty line, including 17.40% of those under age 18 and 11.00% of those age 65 or over.