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St. Johns, IL
Full City Profile · Illinois · Perry County County
2.9
/5.0
C+
Fair
134
Population
184/sq mi density
$39,286
Median Income
$25,780 per capita
$80,000
Home Value
$112,669 Zillow
$760
Median Rent
32.5% income on rent
55°F
Avg Temperature
293 sunny days/yr
219
Violent Crime/100K
1,598 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$39,286 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$80,000 home value, $760/mo rent
F
Safety
1.0 / 5.0
219 violent crimes/100K
C
Education
2.1 / 5.0
13.6% bachelor's degree or higher
Housing Overview
Median Home Value
$80,000
72% below
US avg: $281,900
Median Rent
$760/mo
35% below
US avg: $1,163/mo
Homeownership Rate
76.5%
17% above US avg (65.4%)
Total Housing Units
100
Median year built: 1982
Home Value by Source
Census Median
$80,000
Zillow (ZHVI)
$112,669
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
76.5%
Owner-Occupied
23.5%
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:
$760/mo
Affordability & Housing Stock
Rent Burden
32.5%
of renters spending 30%+ of income on housing
5% above US avg (31.0%)
Median Year Built
1982
Average age of housing stock: 44 years
Homeownership Rate
76.5%
Complete Housing Data
Home Values
| Census Median Value | $80,000 |
| Zillow Home Value (ZHVI) | $112,669 |
Rent
| Census Median Rent | $760 |
| 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 | 76.5% |
| Renter-Occupied | 23.5% |
| Homeownership Rate | 76.5% |
| Total Housing Units | 100 |
| Median Year Built | 1982 |
| Rent Burden | 32.5% |