IL area data
Monmouth, IL
Monmouth, IL.
Population: 10,458 (Census ACS)
The median home value in Monmouth, IL is $115,475 — down 0.8% over the past year. 9 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very Low, with drought the top-rated hazards. Cost of living is 2.7% below the US average (BEA, metro/state-level).
$115,475
Median home value
-0.8%
1-year change
Very Low
Hazard risk (county)
Home values & appreciation
- Median home value
- $115,475
- 1-year appreciation
- -0.8%
- 3-year appreciation
- +6.3%
- 5-year appreciation
- +19.6%
- 10-year appreciation
- +38.1%
- All-time peak (2026-03)
- $119,684
- House Price Index (state)
- 325.3 (+6.1% YoY)
Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)
Market activity
- For-sale inventory
- 50
- New listings (monthly)
- 14
Source: recent area sales and market data (ZIP-level)
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
- 9
- Elementary schools
- 3
- Middle schools
- 2
- High schools
- 4
- School districts serving the area
- Henderson/Knox/Mercer/Warren ROE, Monmouth-Roseville CUSD 238, United CUSD 304
- Schools include
- RAES West, RAES West Alt Ed, Monmouth-Roseville High Sch, Harding Primary School, Lincoln Early Childhood School
Source: NCES school directory, 2022-23 (school-address-based)
Natural hazards & flood risk
- Overall hazard risk (county)
- Very Low
- Top hazards (county)
- drought
- Notable hazard ratings (county)
- coldWave: Relatively Low · drought: Relatively Moderate · hail: Relatively Low · heatWave: Relatively Low · iceStorm: Relatively Low · lightning: Relatively Low
- Wildfire risk to homes (county)
- Higher than 4% of US counties
- Buildings in wildfire direct-exposure zone
- 26.5%
- Radon potential (county)
- High radon potential — EPA Zone 1 of 3
- EPA Superfund (NPL) sites within 5 mi
- None
- Nearest Superfund site
- Galesburg/Koppers Co. (11.8 mi)
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
- 51.0°F
- Average high
- 61.0°F
- Average low
- 41.0°F
- Annual precipitation
- 40.3 in
- USDA plant hardiness zone
- 5b (extreme annual low -15 to -10°F)
Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)
Amenities
- Airports within 30 mi
- 19
- Nearest airport
- Monmouth Municipal Airport (1 mi)
- Nearest major airport
- Southeast Iowa Regional Airport (BRL) (28 mi)
- Hospitals nearby (~15 mi)
- 1
- Hospitals include
- OSF HOLY FAMILY MEDICAL CENTER
- EV charging stations (within 10 mi)
- 10
- Solar radiation rating
- Fair (4.0 kWh/m²/day)
Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)
Migration
- Net migration (county)
- -105 tax filers
Source: IRS county-to-county migration data (county-level, ~12-month lag)
Housing stock
- Median year housing built
- 1,956
- Housing built before 1970
- 72.6%
- Housing built 2000 or later
- 7.1%
- Median annual property tax
- $1,852
- Mean commute to work
- 15 min
- Households with broadband internet
- 66.9%
Source: Census ACS 5-year estimates (ZIP-level)
Employment & development
- Total county employment
- 5,381
- Average weekly wage
- $937
- Top industries (by employment)
- Accommodation & Food, Agriculture, Wholesale Trade
- Annual residential building permits (county)
- 9
Sources: BLS QCEW (county-level) · Census Building Permits (county-level)
How it compares
| Monmouth | State median | US median | |
|---|---|---|---|
| Median home value | $115,475 | $195,432 | $289,727 |
| Median annual property tax | $1,852 | $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 Monmouth, IL?
- $115,475.
- What is the natural-hazard risk in Monmouth, IL?
- Overall risk: Very Low (FEMA NRI, county-level). Top hazards: drought.
- What is the wildfire risk in Monmouth, 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 Monmouth, IL?
- High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
- Are there Superfund sites near Monmouth, IL?
- No current or proposed National Priorities List sites within 5 miles (EPA).
- How many schools serve Monmouth, IL?
- 9 schools (3 elementary, 2 middle, 4 high) (NCES, 2022-23).
- What is the cost of living in Monmouth, IL?
- Regional Price Parity: 97.3 (100 = US average) (Average) (BEA RPP, metro/state-level).
ZIP code for Monmouth
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Data last updated
Most recent source refresh: Sep 2026. See all data sources →