Polk County GIS Map
Polk is one of the most repeated county names in the United States: there are 12 counties named Polk spread across 12 states. Each one is a different local government with its own boundary, population and flood maps, so the right GIS map depends on which state you mean.
That is also why a search for Polk GIS turns up several unrelated county systems — the name on its own does not tell you which state's mapping office you are after. Pick the state you need below.
Every county page opens an interactive GIS map of that county's official Census boundary, with FEMA flood zones, USGS elevation contours, land cover and school districts you can turn on, plus population, land area and ZIP code data.
Most people searching for Polk County mean Polk County, Florida — the largest of them, with a population of about 790,694.
All 12 Polk Counties by state
Ordered by population, largest first.
- Polk CountyFlorida (FL) 790,694 1,798.2 sq mi
- Polk CountyIowa (IA) 503,175 572.7 sq mi
- Polk CountyOregon (OR) 89,662 740.9 sq mi
- Polk CountyTexas (TX) 52,800 1,057.1 sq mi
- Polk CountyWisconsin (WI) 45,555 914.3 sq mi
- Polk CountyGeorgia (GA) 43,785 310.3 sq mi
- Polk CountyMissouri (MO) 32,444 635.5 sq mi
- Polk CountyMinnesota (MN) 30,705 1,971 sq mi
- Polk CountyNorth Carolina (NC) 19,891 237.7 sq mi
- Polk CountyArkansas (AR) 19,361 856.8 sq mi
- Polk CountyTennessee (TN) 17,898 434.6 sq mi
- Polk CountyNebraska (NE) 5,225 438.8 sq mi