Skip to main content

IL area data

Dahlgren, IL

Dahlgren, IL.

Population: 1,801 (Census ACS)

The median home value (Census ACS) in Dahlgren, IL is $113,000. Homes sell for a median $135,000 after a median 59 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 earthquake, strong wind 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

$113,000

Median home value (Census)

59

Median days on market

Very Low

Hazard risk (county)

Home values & appreciation

Median home value (Census)
$113,000
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
$135,000
Median list price
$385,000
Median price per sqft
$86
1-year sale-price change
-21.2%
Median days on market
59 days
Homes sold (recent period)
1
Sale-to-list ratio
93.1%
Active listings
1

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

Rents

Studio fair-market rent
$648/mo
1BR fair-market rent
$798/mo
2BR fair-market rent
$930/mo
3BR fair-market rent
$1,288/mo
4BR fair-market rent
$1,344/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
17.3 : 1
Schools include
Dahlgren Elem School

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

Natural hazards & flood risk

Overall hazard risk (county)
Very Low
Top hazards (county)
earthquake, strong wind
Notable hazard ratings (county)
earthquake: Relatively Moderate · strong wind: Relatively Moderate · hail: Relatively Low · drought: Relatively Low · tornado: Relatively Low · cold wave: Relatively Low
Wildfire risk to homes (county)
Higher than 15% of US counties
Buildings in wildfire direct-exposure zone
56.1%
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)

Annual precipitation
45.9 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)
42
Days with Good air quality
245
Days with Moderate air quality
116
Highest AQI recorded (year)
98

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

Amenities

Airports within 30 mi
12
Nearest airport
Gelfius International Airport (3 mi)
Nearest major airport
Veterans Airport of Southern Illinois (MWA) (36 mi)
Hospitals in or near this ZIP
17
Hospitals include
HERRIN HOSPITAL, SSM HEALTH ST MARY'S HOSPITAL -CENTRALIA, GOOD SAMARITAN REGIONAL HLTH CENTER
Avg hospital rating (CMS)
2.5 / 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 (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Housing stock

Median year housing built
1969
Housing built before 1970
50.9%
Housing built 2000 or later
17.2%
Median annual property tax
$1,190
Households with broadband internet
63.7%

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

Employment & development

Total county employment
1,517
Average weekly wage
$1,144
Top industries (by employment)
Wholesale Trade, Other Services, Construction

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

How it compares

DahlgrenState medianUS median
Median sale price$135,000$212,000$325,000
Median days on market59 days48 days51 days
Median annual property tax$1,190$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 Dahlgren, IL?
$113,000 (Census ACS).
What is the median sale price in Dahlgren, IL?
$135,000.
How long do homes take to sell in Dahlgren, IL?
Median days on market: 59 days.
What is typical rent in Dahlgren, 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 Dahlgren, IL?
Overall risk: Very Low (FEMA NRI, county-level). Top hazards: earthquake, strong wind.
What is the wildfire risk in Dahlgren, IL?
Risk to homes is higher than 15% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Dahlgren, IL?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Dahlgren, IL?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Dahlgren, IL?
1 schools (1 elementary) (NCES, 2024-25).
What is the air quality in Dahlgren, IL?
Good. Median AQI: 42. (EPA AQI).
What is the cost of living in Dahlgren, IL?
Regional Price Parity: 100.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

ZIP code for Dahlgren

Listing a home in Dahlgren, IL?

REAIGENT7 gives every listing its own AI assistant grounded in this same public data — it answers buyer and renter questions about the home and the area, around the clock, and sends every lead to the listing agent. Agents: it installs on your listing page, your website, or WordPress.

Data last updated

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

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