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Area data

Grafton, IL — ZIP 62037

Population: 1,814 (Census ACS)

The median home value in ZIP 62037 (Grafton, IL) is $279,058 — up 4.0% over the past year. Homes sell for a median $232,500 after a median 177 days on market. 2 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very Low, with heatwave 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

$279,058

Median home value

+4.0%

1-year change

177

Median days on market

Very Low

Hazard risk (county)

Home values & appreciation

Median home value
$279,058
1-year appreciation
+4.0%
3-year appreciation
+12.4%
5-year appreciation
+15.9%
10-year appreciation
+48.2%
All-time peak (2026-03)
$280,611
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
$232,500
Median list price
$376,000
Median price per sqft
$132
1-year sale-price change
-3.1%
Median days on market
177 days
Homes sold (recent period)
4
For-sale inventory
14
Sale-to-list ratio
90.2%
Active listings
14
1-year forecast
+2.1%

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

Rents

Studio fair-market rent
$760/mo
1BR fair-market rent
$800/mo
2BR fair-market rent
$990/mo
3BR fair-market rent
$1,270/mo
4BR fair-market rent
$1,480/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
0
High schools
1
School districts serving the area
IDJJ Sch Dist 428, Jersey CUSD 100
Schools include
Il Youth Center - Pere Marquette, Grafton Elem School

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

Natural hazards & flood risk

Overall hazard risk (county)
Very Low
Top hazards (county)
heatWave
Notable hazard ratings (county)
coldWave: Relatively Low · drought: Relatively Low · earthquake: Relatively Low · hail: Relatively Low · heatWave: Relatively Moderate · landslide: Relatively Low
FEMA flood zone
A20
Flood risk level
High
Wildfire risk to homes (county)
Higher than 12% of US counties
Buildings in wildfire direct-exposure zone
47.8%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Westlake Landfill (16.7 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
56.0°F
Average high
67.0°F
Average low
46.0°F
Annual precipitation
40.9 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)
48
Days with Good air quality
199
Days with Moderate air quality
148
Days with Unhealthy air quality
1
Highest AQI recorded (year)
166

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

Walkability & transit

Walkability index
5.7 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
6,862
Jobs reachable by transit (45 min)
8,854

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
3
Nearest national park
Gateway Arch National Park (31 mi)
National parks include
Gateway Arch National Park, Ulysses S Grant National Historic Site, New Philadelphia National Historic Site
Airports within 30 mi
22
Nearest airport
St Charles County Regional Airport/Smartt Field (6 mi)
Nearest major airport
St. Louis Lambert International Airport (STL) (19 mi)
Hospitals nearby (~15 mi)
10
Hospitals include
ALTON MEMORIAL HOSPITAL, OSF SAINT ANTHONY'S HEALTH CENTER, ALTON MENTAL HEALTH CENTER
Avg hospital rating (CMS)
3.1 / 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)
-48 tax filers

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

Housing stock

Median year housing built
1,987
Housing built before 1970
27.6%
Housing built 2000 or later
30.7%
Median annual property tax
$3,431
Mean commute to work
34 min
Households with broadband internet
56.6%

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

Employment & development

Total county employment
4,080
Average weekly wage
$799
Top industries (by employment)
Accommodation & Food, Health Care, Construction
Annual residential building permits (county)
24

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

How it compares

ZIP 62037State medianUS median
Median home value$279,058$195,432$289,727
Median sale price$232,500$212,000$325,000
Median days on market177 days48 days51 days
Median annual property tax$3,431$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 ZIP 62037?
$279,058.
What is the median sale price in ZIP 62037?
$232,500.
How long do homes take to sell in ZIP 62037?
Median days on market: 177 days.
What is typical rent in ZIP 62037?
2-bedroom fair-market rent: $990/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in ZIP 62037?
Overall risk: Very Low (FEMA NRI, county-level). Top hazards: heatWave.
Is ZIP 62037 in a flood zone?
High (FEMA NFIP). FEMA flood zone A20.
What is the wildfire risk in ZIP 62037?
Risk to homes is higher than 12% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 62037?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 62037?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 62037?
2 schools (1 elementary, 1 high) (NCES, 2022-23).
Is ZIP 62037 walkable?
Walkability index: 5.7/20 (EPA Smart Location Database).
What is the air quality in ZIP 62037?
Good. Median AQI: 48. (EPA AQI).
What is the cost of living in ZIP 62037?
Regional Price Parity: 97.3 (100 = US average) (Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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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