Map of Lake Petersburg CDP

Lake Petersburg is a census-designated place in Menard County, Illinois, United States. Its population was 740 as of the 2020 census. The unincorporated community centers on a small reservoir, which is used extensively by residents for recreation.

Lake Petersburg CDP overview:
Name:	Lake Petersburg CDP
LSAD Code:	57
LSAD Description:	CDP (suffix)
State:	Illinois
County:	Menard County
Elevation:	581 ft (177 m)
Total Area:	2.08 sq mi (5.39 km²)
Land Area:	1.81 sq mi (4.68 km²)
Water Area:	0.28 sq mi (0.71 km²)
Total Population:	740
Population Density:	409.52/sq mi (158.15/km²)
ZIP code:	62675 (Petersburg)
Area code:	Area code 217
FIPS code:	1741404
GNISfeature ID:	2629866
Website:	lakepetersburg.org

Online Interactive Map

Click on to view map in "full screen" mode.

Lake Petersburg online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Lake Petersburg location map. Where is Lake Petersburg CDP?

Lake Petersburg location on the U.S. Map. Where is Lake Petersburg CDP. — Lake Petersburg location on the U.S. Map.

Lake Petersburg location on the Illinois map. Where is Lake Petersburg CDP. — Location of Lake Petersburg in Illinois.

Lake Petersburg Road Map

Lake Petersburg city Satellite Map

Geography

Lake Petersburg is southwest of the center of Menard County, surrounding a reservoir of the same name, built in a valley that flows to the Sangamon River less than a mile to the east. Petersburg, the Menard county seat, is 2 miles (3 km) to the north.

According to the U.S. Census Bureau, the Lake Petersburg CDP has a total area of 2.08 square miles (5.39 km), within which the reservoir occupies 0.28 square miles (0.73 km), or 13.2% of the community’s area.