the resident population of the United States more»
| City: | Polk City |
| State: | Iowa |
| Area Code: | 515 |
| Latitude: | 41.791538 |
| Longitude: | -93.716938 |
| Time Zone: | Eastern GMT -6 |
| City Alias(es): | Crocker |
| Population: | 4,058 |
| 2000 Population: | 3,360 |
| White Population: | 3,308 |
| Black Population: | 8 |
| Hispanic Population: | 17 |
| Asian Population: | 12 |
| Hawaiian Population: | 6 |
| Other Population: | 8 |
| Male Population: | 1,701 |
| Female Population: | 1,659 |
| Median Age: | 34.50 |
| Male Median Age: | 34.10 |
| Female Median Age: | 34.90 |
| Households: | 1,199 |
| Average Household Size: | 2.81 |
| Average House Value: | $115,700 |
| Average Household Income: | $60,255 |
| Number of Businesses: | 63 |
| Number of Employees: | 485 |
| Annual Payroll: | $9,053,000 |
| Land Area: | 38.118 sq mi |
| Water Area: | 0.148 sq mi |
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