Latitude and longitude of Petersburg, Illinois
Satellite map of Petersburg, Illinois
Petersburg is a city in Menard County, Illinois, on the bluffs and part of the floodplain overlooking the Sangamon River. It is part of the Springfield, Illinois Metropolitan Statistical Area. The population was 2,299 at the 2000 census, and 2,185 at a 2009 estimate. It is the county seat of Menard County.
Latitude: 40° 00' 24.60" N
Longitude: -89° 51' 2.99" W