Yankton, South Dakota

===2000 census===
As of the [[census]] of 2000, there were 13,528 people, 5,369 households, and 3,232 families residing in the city. The population density was {{convert|1,743.2|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 5,735 housing units at an average density of {{convert|739.0|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the city was 94.35% [[White (U.S. Census)|White]], 1.64% [[African American (U.S. Census)|African American]], 1.58% [[Native American (U.S. Census)|Native American]], 0.50% [[Asian (U.S. Census)|Asian]], 0.03% [[Pacific Islander (U.S. Census)|Pacific Islander]], 0.90% from [[Race (United States Census)|other races]], and 0.99% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 2.46% of the population.

There were 5,369 households, out of which 29.5% had children under the age of 18 living with them, 47.5% were married couples living together, 9.8% had a female householder with no husband present, and 39.8% were non-families. 34.9% of all households were made up of individuals, and 15.0% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.96.

In the city, the population was spread out, with 23.4% under the age of 18, 9.8% from 18 to 24, 28.2% from 25 to 44, 21.4% from 45 to 64, and 17.2% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 96.1 males. For every 100 females age 18 and over, there were 95.0 males.

As of 2000 the median income for a household in the city was $31,843, and the median income for a family was $44,009. Men had a median income of $29,012 versus $20,577 for women. The per capita income for the city was $17,954. About 6.2% of families and 10.2% of the population were below the poverty line, including 10.8% of those under age 18 and 9.1% of those age 65 or over.

According to the 2003 Coldwell Banker Housing Price Comparison Index (HPCI), Yankton was found to have the lowest housing costs of any municipal entity in the entire United States.  This is no longer the case as of the 2005 HPCI.