The average household size was 3.05 and the average family size was 3.25. In the city the population was spread out, with 32.3% under the age of 18, 3.9% from 18 to 24, 37.1% from 25 to 44, 19.7% from 45 to 64, and 7.0% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 99.5 males. For every 100 females age 18 and over, there were 97.3 males. The median income for a household in the city was $77,086, and the median income for a family was $80,486. Males had a median income of $56,780 versus $30,037 for females. The per capita income for the city was $29,325. None of the families and 0.7% of the population were living below the poverty line, including no one under the age of 18 and 3.0% of those over 64. Education Dardenne Prairie spans the Fort Zumwalt, Wentzville and Francis Howell School Districts. References External links City of Dardenne Prairie Lake St. Louis Dardenne Prairie Area Chamber of Commerce Cities in St. Charles County, Missouri Populated places established in 1983 Cities in Missouri