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The 2009 Polk County, FL, population is 574,746. There are 299 people per square mile (population density).
The median age is 37.5. The US median is 37.6. 60.02% of people in Polk County, FL, are married. 10.97% are divorced.
The average household size is 2.54 people. 19.35% of people are married, with children. 9.03% have children, but are single.
77.31% of people are white, 14.68% are black, 1.18% are asian, 0.40% are native american, and 6.79% claim 'Other'.
12.02% of the people in Polk County, FL, claim hispanic ethnicity (meaning 87.98% are non-hispanic).
Polk, FL People data
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