out of which 37.2% had children under the age of 18 living with them, 64.8% were married couples living together, 6.8% had a female householder with no husband present, and 26.6% were non-families. 24.0% of all households were made up of individuals, and 11.0% 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 3.07. In the city, the population was spread out, with 26.1% under the age of 18, 6.4% from 18 to 24, 28.9% from 25 to 44, 20.8% from 45 to 64, and 17.7% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 94.3 males. For every 100 females age 18 and over, there were 89.1 males. The median income for a household in the city was $52,883, and the median income for a family was $56,250. Males had a median income of $34,583 versus $26,055 for females. The per capita income for the city was $20,038. About 2.9% of families and 4.2% of the population were below the poverty line, including 3.6% of those under age 18 and 8.6% of those age 65 or over. Parks and recreation The city has two large parks located at each end of the city. Mound park, located on the west, includes sand volleyball courts, a gazebo, shelters, tennis court, playground equipment, and a rollerskating rink which is operational during the summer months. Memorial Park, on the east, contains playground equipment, much open space for flying kites, letting dogs run, a nine-hole disc golf course, and a basketball area. In 2009, the paved north loop of the Raccoon River Valley Trail (RRVT) added Dallas Center, Minburn, Perry, Dawson and Jamaica as new trailheads. The original Raccoon River Valley Trail, now known as the south loop, is a paved multi-use recreational trail which reaches from the Clive Greenbelt Trail to Jefferson, and passes through Clive, Urbandale, Waukee, Adel, Redfield, Linden, Panora, Yale, Herndon, and Cooper. The RRVT is nearly of paved trails with a paved interior loop of more than . The shaded trailhead in Dallas Center is at 14th and Walnut and has seasonal restroom facilities, a water fountain, bicycle racks, several benches, and a picnic table. Government The mayor is Danny Beyer. Members of the city council are Ryan Kluss, Ryan Coon, and Amy