Monmouth, IL
Full City Profile · Illinois · Warren County County
3.0
/5.0
B
Good
8,794
Population
2,074/sq mi density
$59,690
Median Income
$29,251 per capita
$88,100
Home Value
$107,948 Zillow
$652
Median Rent
17.9% income on rent
51°F
Avg Temperature
275 sunny days/yr
257
Violent Crime/100K
1,957 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$59,690 median income, 4.5% unemployment
A+
Affordability
5.0 / 5.0
$88,100 home value, $652/mo rent
F
Safety
1.0 / 5.0
257 violent crimes/100K
C
Education
2.5 / 5.0
18.7% bachelor's degree or higher
Housing Overview
Median Home Value
$88,100
69% below
US avg: $281,900
Median Rent
$652/mo
44% below
US avg: $1,163/mo
Homeownership Rate
71.4%
9% above US avg (65.4%)
Total Housing Units
3,722
Median year built: 1952
Home Value by Source
Census Median
$88,100
Zillow (ZHVI)
$107,948
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
71.4%
Owner-Occupied
28.6%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$774/mo
1 Bedroom
$854/mo
2 Bedroom
$1,063/mo
3 Bedroom
$1,370/mo
4 Bedroom
$1,561/mo
Census median rent:
$652/mo
Affordability & Housing Stock
Rent Burden
17.9%
of renters spending 30%+ of income on housing
42% below US avg (31.0%)
Median Year Built
1952
Average age of housing stock: 74 years
Homeownership Rate
71.4%
Complete Housing Data
Home Values
| Census Median Value | $88,100 |
| Zillow Home Value (ZHVI) | $107,948 |
Rent
| Census Median Rent | $652 |
| FMR Studio | $774 |
| FMR 1-Bedroom | $854 |
| FMR 2-Bedroom | $1,063 |
| FMR 3-Bedroom | $1,370 |
| FMR 4-Bedroom | $1,561 |
Market
Ownership & Stock
| Owner-Occupied | 71.4% |
| Renter-Occupied | 28.6% |
| Homeownership Rate | 71.4% |
| Total Housing Units | 3,722 |
| Median Year Built | 1952 |
| Rent Burden | 17.9% |
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