Polk County is located in central Iowa. The County Seat is Des Moines and the largest city is Des Moines. The Official Web Site is located at http://www.polkcountyiowa.gov/. The 2014 population estimate is 459,862 and the 2010 census population was 430,635. The land area is 573.80 square miles and there are 750.5 persons per square mile.
87% of the population is White, 6.5% is Black or African American, 8% is Hispanic or Latino, 3.9% is Asian, 0.4% is American Indian or Alaska Native, 0.1% is Native Hawaiian or Pacific Islander, and 2.2% is two or more races. 91.8% have a high school degree or higher, and 34.9% have a Bachelor degree or higher.
The median home value is $154,400, there are 173,164 households, an average of 2.48 persons per household. The per capita income is $30,442, the median household income is $59,018, and 11.8% of the persons in Polk County are considered below poverty level.
The total number of firms, at last estimate, was 37,950. Retail sales (in $1000) were $6,714,418, and sales per capita were $16,130. The percentage of black-owned firms is 1.9%, and the percentage of women-owned firms is 28%.
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