Dixon County lies at the northeast edge of the state. Its northern boundary line abuts the southern boundary line of the state of South Dakota, across the Missouri River. According to the US Census Bureau, the county has an area of, of which is land and is water.
Dixon County was formed in 1856. Dixon was named for an early settler.
Demographics
As of the 2000 United States Census, there were 6,339 people, 2,413 households, and 1,705 families in the county. The population density was 13 people per square mile. There were 2,673 housing units at an average density of 6 per square mile. The racial makeup of the county was 94.64% White, 0.03% Black or African American, 0.49% Native American, 0.27% Asian, 3.79% from other races, and 0.79% from two or more races. 5.49% of the population were Hispanic or Latino of any race. 45.5% were of German, 10.4% Irish, 8.5% Swedish, 5.9% American, 5.9% Norwegian and 5.1% English. There were 2,413 households out of which 33.30% had children under the age of 18 living with them, 61.50% were married couplesliving together, 6.50% had a female householder with no husband present, and 29.30% were non-families. 25.90% of all households were made up of individuals and 14.40% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 3.12. The county population contained 27.50% under the age of 18, 7.10% from 18 to 24, 24.90% from 25 to 44, 22.40% from 45 to 64, and 18.20% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 98.50 males. For every 100 females age 18 and over, there were 94.50 males. The median income for a household in the county was $34,201, and the median income for a family was $41,122. Males had a median income of $27,784 versus $20,573 for females. The per capita income for the county was $15,350. About 7.50% of families and 10.00% of the population were below the poverty line, including 12.40% of those under age 18 and 9.00% of those age 65 or over.
Dixon County voters have been reliably Republican for decades. In only one national election since 1936 has the county selected the Democratic Party candidate, and that was the election of 1964, during Lyndon B. Johnson's landslide victory. However, he narrowly won the county then.
