There are 128 Gas Stations in Polk County, Iowa, serving a population of 467,235 people in an area of 574 square miles. There is 1 Gas Station per 3,650 people, and 1 Gas Station per 4 square miles.
In Iowa, Polk County is ranked 89th of 99 counties in Gas Stations per capita, and 2nd of 99 counties in Gas Stations per square mile.