De Soto

As of the census^GR2 of 2000, there were 4,561 people, 1,642 households, and 1,246 families residing in the city. The population density was 155.6/km² (403.0/mi²). There were 1,730 housing units at an average density of 59.0/km² (152.9/mi²). The racial makeup of the city was 94.80% White, 0.20% African American, 0.94% Native American, 0.37% Asian, 0.07% Pacific Islander, 1.69% from other races, and 1.93% from two or more races. Hispanic or Latino of any race were 6.86% of the population. 22.2% were of German, 14.3% American, 13.0% English and 10.7% Irish ancestry according to Census 2000.

There were 1,642 households out of which 41.7% had children under the age of 18 living with them, 62.1% were married couples living together, 8.6% had a female householder with no husband present, and 24.1% were non-families. 21.3% of all households were made up of individuals and 7.4% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.23.

In the city the population was spread out with 30.5% under the age of 18, 8.1% from 18 to 24, 32.5% from 25 to 44, 20.9% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 103.2 males. For every 100 females age 18 and over, there were 100.4 males.

The median income for a household in the city was $47,426, and the median income for a family was $53,219. Males had a median income of $36,203 versus $31,682 for females. The per capita income for the city was $23,141. About 3.2% of families and 5.2% of the population were below the poverty line, including 6.1% of those under age 18 and 13.1% of those age 65 or over.