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Lake Petersburg, Illinois facts for kids

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Lake Petersburg, Illinois
Lake Petersburg, Illinois is located in Illinois
Lake Petersburg, Illinois
Lake Petersburg, Illinois
Location in Illinois
Lake Petersburg, Illinois is located in the United States
Lake Petersburg, Illinois
Lake Petersburg, Illinois
Location in the United States
Country United States
State Illinois
County Menard
Area
 • Total 2.08 sq mi (5.39 km2)
 • Land 1.81 sq mi (4.68 km2)
 • Water 0.28 sq mi (0.71 km2)
Elevation
581 ft (177 m)
Population
 (2020)
 • Total 740
 • Density 409.52/sq mi (158.15/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP Code
62675 (Petersburg)
Area code(s) Area code 217
GNIS feature ID 2629866

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.

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 km2), within which the reservoir occupies 0.28 square miles (0.73 km2), or 13.2% of the community's area.

Demographics

Historical population
Census Pop.
2010 719
2020 740 2.9%
U.S. Decennial Census

See also

Kids robot.svg In Spanish: Lake Petersburg para niños

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