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IL area data

Geff, IL

Geff, IL.

Population: 724 (Census ACS)

The typical home value in Geff, IL is $126,345 — down 1.0% over the past year. Homes sell for a median $30,000 after a median 7 days on market. 1 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very Low, with drought, heat wave 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

$126,345

Typical home value

-1.0%

1-year change

7

Median days on market

Very Low

Hazard risk (county)

Home values & appreciation

Typical home value
$126,345
1-year appreciation
-1.0%
Peak value since 2000 (Mar 2026)
$135,759
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
$30,000
Median price per sqft
$16
Median days on market
7 days
Homes sold (recent period)
1
For-sale inventory
3
Sale-to-list ratio
85.7%

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

Rents

Studio fair-market rent
$648/mo
1BR fair-market rent
$711/mo
2BR fair-market rent
$930/mo
3BR fair-market rent
$1,150/mo
4BR fair-market rent
$1,554/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
1
Elementary schools
1
Middle schools
0
High schools
0
Avg student-teacher ratio
8.3 : 1
Schools include
Geff Elem School

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

Natural hazards & flood risk

Overall hazard risk (county)
Very Low
Top hazards (county)
drought, heat wave
Notable hazard ratings (county)
drought: Relatively Moderate · heat wave: Relatively Moderate · tornado: Relatively Low · cold wave: Relatively Low · ice storm: Relatively Low · earthquake: Relatively Low
Wildfire risk to homes (county)
Higher than 4% of US counties
Buildings in wildfire direct-exposure zone
49.7%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
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
55.0°F
Average high
67.0°F
Average low
44.0°F
Annual precipitation
47.1 in
Annual snowfall
13.3 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)

Amenities

National parks within ~60 mi
1
Nearest national park
George Rogers Clark National Historical Park (50 mi)
Airports within 30 mi
13
Nearest airport
Fairfield Municipal Airport (4 mi)
Hospitals in or near this ZIP
11
Hospitals include
GOOD SAMARITAN REGIONAL HLTH CENTER, DEACONESS ILLINOIS CROSSROADS, FAIRFIELD MEMORIAL HOSPITAL 1
Avg hospital rating (CMS)
3.3 / 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 (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-14 tax filers

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

Housing stock

Median year housing built
1983
Housing built before 1970
32.5%
Housing built 2000 or later
31.5%
Median annual property tax
$1,181
Mean commute to work
34 min
Households with broadband internet
74.9%

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

Employment & development

Total county employment
3,074
Average weekly wage
$858
Top industries (by employment)
Accommodation & Food, Wholesale Trade, Finance & Insurance
Annual residential building permits (county)
1

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

How it compares

GeffState medianUS median
Typical home value$126,345$194,869$288,527
Median sale price$30,000$212,000$325,000
Median days on market7 days48 days51 days
Median annual property tax$1,181$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 Geff, IL?
$126,345.
What is the median sale price in Geff, IL?
$30,000.
How long do homes take to sell in Geff, IL?
Median days on market: 7 days.
What is typical rent in Geff, IL?
2-bedroom fair-market rent: $930/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Geff, IL?
Overall risk: Very Low (FEMA NRI, county-level). Top hazards: drought, heat wave.
What is the wildfire risk in Geff, IL?
Risk to homes is higher than 4% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Geff, IL?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Geff, IL?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Geff, IL?
1 schools (1 elementary) (NCES, 2024-25).
What is the cost of living in Geff, IL?
Regional Price Parity: 100.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

ZIP code for Geff

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Data last updated

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

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