Lake Petersburg

Census-designated place in Menard County, Illinois

Aerial view of Lake Petersburg, Illinois
Aerial view: USDA NAIP · USGS The National Map (public domain)

Lake Petersburg is an unincorporated community (census-designated place) in Menard County, Illinois, with 740 residents (2020 Census). It sits at 597 ft (182 m) above sea level. The nearest town is Petersburg, 2.1 miles N.

About Lake Petersburg

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.

Text: Wikipedia · CC BY-SA 4.0

Lake Petersburg weather: 7-day forecast

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Live webcams in Lake Petersburg

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Living in Lake Petersburg

Median household income
$144,375
Median home value
$338,700
Median age
60.8
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Map of Lake Petersburg

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Lake Petersburg Street View

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Lake Petersburg, IL population

Lake Petersburg had 740 residents in the 2020 Census.

2020 Census740
Density410 per sq mi (158 per km²)

Source: U.S. Census Bureau, Decennial Census.

Lake Petersburg at a glance

StateIllinois (IL)
CountyMenard County
TypeCensus-designated place
Population740 (2020)
Land area1.81 sq mi (4.7 km²)
Water area0.28 sq mi (0.71 km²)
Elevation597 ft (182 m)
Coordinates39.9843° N, 89.8562° W
ZIP code62675
Official websitelakepetersburg.org
Census code (GEOID)1741404

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Lake Petersburg

Straight-line distance between town centers.

Frequently asked questions about Lake Petersburg

What county is Lake Petersburg in?

Lake Petersburg is in Menard County, Illinois.

What is the population of Lake Petersburg, IL?

740 people lived in Lake Petersburg at the 2020 Census.

What is the ZIP code of Lake Petersburg, IL?

The ZIP code of Lake Petersburg is 62675.

What is the elevation of Lake Petersburg?

597 feet (182 m) above sea level.

What towns are near Lake Petersburg?

Petersburg (2.1 mi), Tallula (5.0 mi), Athens (7.3 mi), Pleasant Plains (8.3 mi), Greenview (9.3 mi).

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