Polk County

County Population : 41,319
County Houses : 21,129
Land area : 917.3 sq. mi.
Water area : 39.0 sq. mi.
Industries providing employment : Manufacturing (28.1%), Educational,health and social services (19.3%), Retail trade (10.1%).
Races in Polk County :
- White Non-Hispanic (97.1%)
- American Indian (1.4%)
- Hispanic (0.8%)
- Two or more races (0.7%)
(Total can be greater than 100% because Hispanics could be counted in other races)