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IL area data

Dorchester, IL

Dorchester, IL.

Population: 4,294 (Census ACS)

The median home value in Dorchester, IL is $110,211 — down 9.3% over the past year. Homes sell for a median $102,000 after a median 79 days on market. 3 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with lightning, strongwind, coldwave 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

$110,211

Median home value

-9.3%

1-year change

79

Median days on market

Relatively Low

Hazard risk (county)

Home values & appreciation

Median home value
$110,211
1-year appreciation
-9.3%
3-year appreciation
-8.8%
5-year appreciation
-3.3%
10-year appreciation
+17.2%
All-time peak (2007-05)
$129,763
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
$102,000
Median list price
$125,000
Median price per sqft
$93
1-year sale-price change
-26.6%
Median days on market
79 days
Homes sold (recent period)
11
For-sale inventory
15
Sale-to-list ratio
93.6%
Active listings
11
1-year forecast
+1.4%
New listings (monthly)
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
3
Elementary schools
1
Middle schools
1
High schools
1
Schools include
Gillespie Middle School, Gillespie High School, Ben-Gil Elementary School

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

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Low
Top hazards (county)
lightning, strongWind, coldWave, drought, earthquake
Notable hazard ratings (county)
coldWave: Relatively Moderate · drought: Relatively Moderate · earthquake: Relatively Moderate · hail: Relatively Moderate · heatWave: Relatively Moderate · iceStorm: Relatively Low
Wildfire risk to homes (county)
Higher than 8% of US counties
Buildings in wildfire direct-exposure zone
32.6%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
ASARCO Taylor Springs (18 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)

Average annual temperature
57.0°F
Average high
66.0°F
Average low
48.0°F
Annual precipitation
38.3 in
Annual snowfall
9.7 in
USDA plant hardiness zone
6b (extreme annual low -5 to 0°F)

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

Air quality

Air quality rating
Good
Median AQI (annual)
37
Days with Good air quality
310
Days with Moderate air quality
45
Highest AQI recorded (year)
129

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

Walkability & transit

Walkability index
3.0 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
3,171
Jobs reachable by transit (45 min)
4,925

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
4
Nearest national park
Gateway Arch National Park (40 mi)
National parks include
Gateway Arch National Park, Lincoln Home National Historic Site, Springfield 1908 Race Riot National Monument
Airports within 30 mi
27
Nearest airport
Lindell Loveless Airport (3 mi)
Nearest major airport
St Louis Regional Airport (ALN) (20 mi)
Hospitals nearby (~15 mi)
5
Hospitals include
ALTON MEMORIAL HOSPITAL, OSF SAINT ANTHONY'S HEALTH CENTER, ALTON MENTAL HEALTH CENTER
Avg hospital rating (CMS)
3.5 / 5
Best hospital rating nearby (CMS)
4.0 / 5
Solar radiation rating
Fair (4.2 kWh/m²/day)

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

Migration

Net migration (county)
-11 tax filers

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

Housing stock

Median year housing built
1,955
Housing built before 1970
66.4%
Housing built 2000 or later
14.1%
Median annual property tax
$1,411
Mean commute to work
25 min
Households with broadband internet
69.6%

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

Employment & development

Total county employment
7,926
Average weekly wage
$893
Top industries (by employment)
Accommodation & Food, Wholesale Trade, Construction
Annual residential building permits (county)
16

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

How it compares

DorchesterState medianUS median
Median home value$110,211$195,432$289,727
Median sale price$102,000$212,000$325,000
Median days on market79 days48 days51 days
Median annual property tax$1,411$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 Dorchester, IL?
$110,211.
What is the median sale price in Dorchester, IL?
$102,000.
How long do homes take to sell in Dorchester, IL?
Median days on market: 79 days.
What is typical rent in Dorchester, 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 Dorchester, IL?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: lightning, strongWind, coldWave, drought, earthquake.
What is the wildfire risk in Dorchester, IL?
Risk to homes is higher than 8% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Dorchester, IL?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Dorchester, IL?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Dorchester, IL?
3 schools (1 elementary, 1 middle, 1 high) (NCES, 2022-23).
Is Dorchester, IL walkable?
Walkability index: 3.0/20 (EPA Smart Location Database).
What is the air quality in Dorchester, IL?
Good. Median AQI: 37. (EPA AQI).
What is the cost of living in Dorchester, IL?
Regional Price Parity: 97.3 (100 = US average) (Average) (BEA RPP, metro/state-level).

ZIP code for Dorchester

Selling a home in Dorchester, 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