Polk County

Polk county is located close to the center of Iowa. Polk county has 573.79 square miles of land area and 17.74 square miles of water area. As of 2010-2014, the total Polk county population is 445,136, which has grown 18.83% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is much higher than the national average rate of 11.61%. Polk county median household income is $59,844 in 2010-2014 and has grown by 29.77% since 2000. The income growth rate is lower than the state average rate of 33.56% and is higher than the national average rate of 27.36%. Polk county median house value is $155,400 in 2010-2014 and has grown by 50.73% since 2000. The house value growth rate is about the same as the state average rate of 53.09% and is higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Polk county is much better than the state average in quality. The Polk county area code is 515.

Population 445,136 (2010-2014), rank #1 Population Growth 18.83% since 2000, rank #3 Population Density: 752.51/sq mi, rank #1 Median Household Income: $59,844 at 2010-2014—29.77% increase since 2000, rank #5 Median House Price: $155,400 at 2010-2014—50.73% increase since 2000, rank #7 Time Zone: Central GMT -6:00 with Daylight Saving in the Summer Land Area: 573.79 sq mi, rank #40 Water Area: 17.74 sq mi (3.00%), rank #5 State: Iowa Area: Des Moines-West Des Moines, IA School District: Area Code: 515

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Polk County Map, Border, and Nearby Locations

Polk County Cities / Towns

Polk County Zip Codes

Polk County Census Tracts