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IL area data

Decatur, IL

Aggregated across 3 ZIP codes in Decatur.

Population: 48,557 (Census ACS)

The typical home value in Decatur, IL is $108,157 — up 4.4% over the past year. Homes sell for a median $144,000 after a median 23 days on market. Typical rent runs $1,061/month. 13 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Moderate, with cold wave, strong wind, drought the top-rated hazards. Cost of living is at the US average (BEA, metro/state-level).

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

$108,157

Typical home value

+4.4%

1-year change

23

Median days on market

Relatively Moderate

Hazard risk (county)

Home values & appreciation

Typical home value
$108,157
1-year appreciation
+4.4%
3-year appreciation
+17.7%
5-year appreciation
+28.1%
10-year appreciation
+51.9%
Peak value since 2000 (Apr 2026)
$110,490
House Price Index (state)
340.3 (+5.5% YoY)

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

Market activity

Median sale price
$144,000
Median list price
$132,500
Median price per sqft
$83
1-year sale-price change
+6.6%
Median days on market
23 days
Homes sold (recent period)
222
For-sale inventory
185
Sale-to-list ratio
97.0%
Active listings
149
1-year forecast
+1.8%
Days to pending
40 days
New listings (monthly)
75

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

Rents

Typical rent
$1,061/mo
Studio fair-market rent
$851/mo
1BR fair-market rent
$857/mo
2BR fair-market rent
$1,091/mo
3BR fair-market rent
$1,407/mo
4BR fair-market rent
$1,724/mo

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

Affordability

Cost of living index (Above Average)
100.0 (100 = US avg)
Electricity rate (state-level)
17.7¢/kWh
Natural gas rate (state-level)
$11.30/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

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

Schools

Total schools
13
Elementary schools
8
Middle schools
0
High schools
4
Avg student-teacher ratio
18.1 : 1
School districts serving the area
Macon/Piatt ROE, Decatur SD 61
Schools include
Heartland Technical Academy, Montessori Academy for Peace, Dennis Lab School, Eisenhower High School, American Dreamer STEM Academy

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Moderate
Top hazards (county)
cold wave, strong wind, drought, hail, heat wave
Notable hazard ratings (county)
cold wave: Relatively High · strong wind: Relatively High · hail: Relatively Moderate · drought: Relatively Moderate · tornado: Relatively Moderate · heat wave: Relatively Moderate
Most common flood zone among NFIP claims (varies by location)
Zone A09
NFIP flood claims on record
102
Wildfire risk to homes (county)
Higher than 2% of US counties
Buildings in wildfire direct-exposure zone
16.3%
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. (23.9 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

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

Climate (30-year normals)

Average annual temperature
53.0°F
Average high
62.3°F
Average low
43.7°F
Annual precipitation
39.1 in
Annual snowfall
13.1 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
Good
Median AQI (annual)
44
Days with Good air quality
237
Days with Moderate air quality
125
Highest AQI recorded (year)
141

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
10.4 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
20,366
Jobs reachable by transit (45 min)
17,477

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
2
Nearest national park
Springfield 1908 Race Riot National Monument (32 mi)
National parks include
Springfield 1908 Race Riot National Monument, Lincoln Home National Historic Site
Airports within 30 mi
37
Nearest airport
Decatur Airport (DEC) (3 mi)
Nearest major airport
Decatur Airport (DEC) (3 mi)
Hospitals in or near a typical ZIP here
9
Hospitals include
ST MARYS HOSPITAL, ST JOHNS HOSPITAL, DECATUR MEMORIAL HOSPITAL
Avg hospital rating (CMS)
2.2 / 5
Best hospital rating nearby (CMS)
3.0 / 5
EV charging stations (within 10 mi)
20
Solar radiation rating
Fair (4.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-355 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1955
Housing built before 1970
72.8%
Housing built 2000 or later
3.9%
Median annual property tax
$2,523
Mean commute to work
17 min
Households with broadband internet
48.9%

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

Employment & development

Total county employment
39,694
Average weekly wage
$1,359
Top industries (by employment)
Health Care, Construction, Accommodation & Food
Annual residential building permits (county)
38

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

How it compares

DecaturState medianUS median
Typical home value$108,157$194,869$288,527
Median sale price$144,000$212,000$325,000
Median days on market23 days48 days51 days
Typical rent$1,061/mo$1,787/mo$1,809/mo
Median annual property tax$2,523$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 typical home value in Decatur, IL?
$108,157.
What is the median sale price in Decatur, IL?
$144,000.
How long do homes take to sell in Decatur, IL?
Median days on market: 23 days.
What is typical rent in Decatur, IL?
Typical rent: $1,061/month.
What is the natural-hazard risk in Decatur, IL?
Overall risk: Relatively Moderate (FEMA NRI, county-level). Top hazards: cold wave, strong wind, drought, hail, heat wave.
Is Decatur, IL in a flood zone?
Flood zones vary by property across the city. 102 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is A09. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in Decatur, IL?
Risk to homes is higher than 2% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Decatur, IL?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Decatur, IL?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Decatur, IL?
13 schools (8 elementary, 4 high) (NCES, 2024-25).
Is Decatur, IL walkable?
Walkability index: 10.4/20 (EPA Smart Location Database).
What is the air quality in Decatur, IL?
Good. Median AQI: 44. (EPA AQI).
What is the cost of living in Decatur, IL?
Regional Price Parity: 100.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

ZIP codes in Decatur

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Data last updated

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

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