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IL area data

Illiopolis, IL

Illiopolis, IL.

Population: 1,412 (Census ACS)

The median home value in Illiopolis, IL is $147,833 — up 8.5% over the past year. Homes sell for a median $167,450 after a median 61.5 days on market. 2 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Moderate, with coldwave, drought, hail the top-rated hazards. Cost of living is 2.7% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$147,833

Median home value

+8.5%

1-year change

61.5

Median days on market

Relatively Moderate

Hazard risk (county)

Home values & appreciation

Median home value
$147,833
1-year appreciation
+8.5%
3-year appreciation
+17.3%
5-year appreciation
+32.6%
All-time peak (2026-03)
$148,589
House Price Index (state)
325.3 (+6.1% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$167,450
Median list price
$114,900
Median price per sqft
$89
1-year sale-price change
+76.3%
Median days on market
61.5 days
Homes sold (recent period)
4
Sale-to-list ratio
96.5%
1-year forecast
+3.5%

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$780/mo
1BR fair-market rent
$975/mo
2BR fair-market rent
$1,220/mo
3BR fair-market rent
$1,586/mo
4BR fair-market rent
$1,830/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Average)
97.3 (100 = US avg)
Electricity rate (state-level)
17.7¢/kWh
Natural gas rate (state-level)
$11.30/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
2
Elementary schools
1
Middle schools
1
High schools
0
Schools include
Sangamon Valley Middle School, Sangamon Valley Intermediate Sch

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Moderate
Top hazards (county)
coldWave, drought, hail, lightning, strongWind
Notable hazard ratings (county)
coldWave: Relatively High · drought: Relatively High · earthquake: Relatively Moderate · hail: Relatively High · heatWave: Relatively Moderate · iceStorm: Relatively Moderate
FEMA flood zone
X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 7% of US counties
Buildings in wildfire direct-exposure zone
13.4%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Central Illinois Public Service Co. (22.6 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Annual precipitation
42.1 in
USDA plant hardiness zone
6a (extreme annual low -10 to -5°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Moderate
Median AQI (annual)
51
Days with Good air quality
182
Days with Moderate air quality
163
Days with Unhealthy air quality
2
Highest AQI recorded (year)
247

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
4.2 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
6,279
Jobs reachable by transit (45 min)
5,010

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
2
Nearest national park
Springfield 1908 Race Riot National Monument (21 mi)
National parks include
Springfield 1908 Race Riot National Monument, Lincoln Home National Historic Site
Airports within 30 mi
32
Nearest airport
Hardy Airport (10 mi)
Nearest major airport
Decatur Airport (DEC) (21 mi)
Hospitals nearby (~15 mi)
2
Hospitals include
DECATUR MEMORIAL HOSPITAL, ST MARYS HOSPITAL
Avg hospital rating (CMS)
2.0 / 5
Best hospital rating nearby (CMS)
3.0 / 5
Solar radiation rating
Fair (4.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-511 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,970
Housing built before 1970
49.0%
Housing built 2000 or later
4.4%
Median annual property tax
$2,024
Mean commute to work
22 min
Households with broadband internet
66.3%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
77,039
Average weekly wage
$1,127
Top industries (by employment)
Health Care, Accommodation & Food, Administrative Services
Annual residential building permits (county)
51

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

IlliopolisState medianUS median
Median home value$147,833$195,432$289,727
Median sale price$167,450$212,000$325,000
Median days on market62 days48 days51 days
Median annual property tax$2,024$2,696$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in Illiopolis, IL?
$147,833.
What is the median sale price in Illiopolis, IL?
$167,450.
How long do homes take to sell in Illiopolis, IL?
Median days on market: 61.5 days.
What is typical rent in Illiopolis, IL?
2-bedroom fair-market rent: $1,220/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Illiopolis, IL?
Overall risk: Relatively Moderate (FEMA NRI, county-level). Top hazards: coldWave, drought, hail, lightning, strongWind.
Is Illiopolis, IL in a flood zone?
Minimal (FEMA NFIP). FEMA flood zone X.
What is the wildfire risk in Illiopolis, IL?
Risk to homes is higher than 7% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Illiopolis, IL?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Illiopolis, IL?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Illiopolis, IL?
2 schools (1 elementary, 1 middle) (NCES, 2022-23).
Is Illiopolis, IL walkable?
Walkability index: 4.2/20 (EPA Smart Location Database).
What is the air quality in Illiopolis, IL?
Moderate. Median AQI: 51. (EPA AQI).
What is the cost of living in Illiopolis, IL?
Regional Price Parity: 97.3 (100 = US average) (Average) (BEA RPP, metro/state-level).

ZIP code for Illiopolis

Selling a home in Illiopolis, IL?

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents