Polk County

County Population : 483,924
County Houses : 226,376
Land area : 1874.4 sq. mi.
Water area : 135.6 sq. mi.
Industries providing employment : Educational,health and social services (17.1%), Retail trade (15.2%), Arts,entertainment,recreation,accommodation and food services (11.3%).
Races in Polk County :
- White Non-Hispanic (74.7%)
- Black (13.5%)
- Hispanic (9.5%)
- Other race (3.8%)
- Two or more races (1.7%)
- American Indian (0.8%)
(Total can be greater than 100% because Hispanics could be counted in other races)