St. Peter, IL
Full City Profile · Illinois · Marion County County
3.6
/5.0
B+
Good
256
Population
492/sq mi density
$55,000
Median Income
$32,242 per capita
$91,400
Home Value
$101,301 Zillow
$488
Median Rent
14.2% income on rent
55°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$55,000 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$91,400 home value, $488/mo rent
C
Education
2.2 / 5.0
14.8% bachelor's degree or higher
Housing Overview
Median Home Value
$91,400
68% below
US avg: $281,900
Median Rent
$488/mo
58% below
US avg: $1,163/mo
Homeownership Rate
88.5%
35% above US avg (65.4%)
Total Housing Units
114
Median year built: 1955
Home Value by Source
Census Median
$91,400
Zillow (ZHVI)
$101,301
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
88.5%
Owner-Occupied
11.5%
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:
$488/mo
Affordability & Housing Stock
Rent Burden
14.2%
of renters spending 30%+ of income on housing
54% below US avg (31.0%)
Median Year Built
1955
Average age of housing stock: 71 years
Homeownership Rate
88.5%
Complete Housing Data
Home Values
| Census Median Value | $91,400 |
| Zillow Home Value (ZHVI) | $101,301 |
Rent
| Census Median Rent | $488 |
| 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 | 88.5% |
| Renter-Occupied | 11.5% |
| Homeownership Rate | 88.5% |
| Total Housing Units | 114 |
| Median Year Built | 1955 |
| Rent Burden | 14.2% |