Illiopolis
Village in Sangamon County, Illinois

Illiopolis is a village in Sangamon County, Illinois, with 846 residents (2020 Census). It sits at 600 ft (183 m) above sea level. The nearest town is Niantic, 4.6 miles E.
- 846residents (2020 Census)
- 600 ftelevation · 183 m
- 0.7 sq miland area · 1.8 km²
- 1,249 / sq mipopulation density
- 62539ZIP code
About Illiopolis
Illiopolis is a village in Sangamon County, Illinois, United States. As of the 2020 census, Illiopolis had a population of 846. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Text: Wikipedia · CC BY-SA 4.0
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Living in Illiopolis
- Median household income
- $63,125
- Median home value
- $100,800
- Median rent
- $663/mo
- Median age
- 43.3
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Map of Illiopolis
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Open in Google Maps ›Illiopolis, IL population
Illiopolis had 846 residents in the 2020 Census.
| 2020 Census | 846 |
|---|---|
| Density | 1,249 per sq mi (482 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Illiopolis at a glance
| State | Illinois (IL) |
|---|---|
| County | Sangamon County |
| Type | Village |
| Population | 846 (2020) |
| Land area | 0.68 sq mi (1.8 km²) |
| Elevation | 600 ft (183 m) |
| Coordinates | 39.8498° N, 89.2521° W |
| ZIP code | 62539 |
| Official website | illiopolis.illinois.gov |
| Census code (GEOID) | 1737127 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Illiopolis
- Niantic4.6 mi E
- Mount Auburn5.8 mi S
- Buffalo8.3 mi W
- Mechanicsburg9.1 mi SW
- Latham9.4 mi NE
- Cornland10.0 mi NW
- Harristown10.2 mi E
- Dawson11.1 mi W
- Mount Pulaski11.2 mi N
- Warrensburg11.5 mi NE
- Boody12.4 mi SE
- Blue Mound12.5 mi SE
Straight-line distance between town centers.
Frequently asked questions about Illiopolis
What county is Illiopolis in?
Illiopolis is in Sangamon County, Illinois.
What is the population of Illiopolis, IL?
846 people lived in Illiopolis at the 2020 Census.
What is the ZIP code of Illiopolis, IL?
The ZIP code of Illiopolis is 62539.
What is the elevation of Illiopolis?
600 feet (183 m) above sea level.
What towns are near Illiopolis?
Niantic (4.6 mi), Mount Auburn (5.8 mi), Buffalo (8.3 mi), Mechanicsburg (9.1 mi), Latham (9.4 mi).
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