Each edition grades its towns against each other only.
A town of 832, settled in 1867.
Illiopolis’ median rent is $663 a month, below both Illinois’ towns ($1,129 a month) and U.S. towns ($1,185 a month). Illiopolis has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 395 in 1870, 846 in 2020. The archive holds 2 old photos and papers going back to 2007 and 2 maps from 1954 on.
Who provides power, water and the rest in Illiopolis, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in Illiopolis.
The typical Illiopolis home is worth about $147,000, up 10.1% in a year, 50% below the Illinois typical home. 81% of households own their home in Illiopolis, above both the Illinois town median (75%) and the median of U.S. towns (73%).
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Most working residents leave Illiopolis for work: only 0% work in town. Illiopolis’ median household income is $63,000. The top destinations are Springfield (42%), Decatur (8%) and Riverton (4%).
| Illiopolis | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median household income | $63,000 | $83,000 | $80,000 |
| Average trip to work | 23 minutes | 26 minutes | 25 minutes |
| Below the poverty line | 6% | 8.4% | 9.6% |
Census LEHD 2023 · ACS
Illiopolis has chilly winters and warm summers. July afternoons reach 86°, January nights drop to 19° and about 19 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Illiopolis beats the Illinois average on 6 of 32 CDC measures and trails it on 1. 20% of Illiopolis adults binge drink.
| Illiopolis | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 20% | 18% | 16% |
| Get no exercise (CDC PLACES) | 20% | 23% | 25% |
| Diabetes (CDC PLACES) | 10% | 11% | 12% |
| Obesity (CDC PLACES) | 38% | 37% | 35% |
| What stands out | Illiopolis | IL |
|---|---|---|
| Fewer uninsured adults | 6.2% | 9.9% |
| Fewer adults facing food insecurity | 10.8% | 15.9% |
| More adults who have had cancer | 9% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is lower than in 56% of U.S. communities.
FEMA National Risk Index · OpenFEMA
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Wabash Park | — | 1 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
1 within 15 miles of the center of Illiopolis
About 5 of every 100 Illiopolis residents are enrolled in college, about the same as Illinois.
Where Illiopolis’s working residents go each day. Line width shows the share.
Census LEHD 2023
Village in Illinois, United States
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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Illiopolis has fewer than 1,000 residents, too few for fair grades; the figures below are still real.