There are 321 Gas Stations in Marion County, Indiana, serving a population of 939,964 people in an area of 397 square miles. There is 1 Gas Station per 2,928 people, and 1 Gas Station per 1 square miles.
In Indiana, Marion County is ranked 75th of 92 counties in Gas Stations per capita, and 1st of 92 counties in Gas Stations per square mile.