Knox County, Illinois home prices
Typical home $120,138 · +11.8% in a year · property tax 1.96%
The typical home in Knox County is worth $120,138, 59% less than the Illinois typical home ($295,943). Values changed +11.8% in the past year and +18.0% over five years. Homeowners here pay a median 1.96% of their home's value in property tax each year ($2,351 on the typical home), versus 1.92% statewide.
Mortgage on the typical Knox County home
| Down payment | Cash down | Loan | Principal + interest | PMI / MIP | Tax + insurance | Total / month | Income needed |
|---|---|---|---|---|---|---|---|
| 20% down | $24,028 | $96,111 | $647 | $0 | $256 | $903 | $38,700 |
| 10% down | $12,014 | $108,124 | $727 | $45 | $256 | $1,028 | $44,100 |
| 5% down | $6,007 | $114,131 | $768 | $48 | $256 | $1,071 | $45,900 |
| 3.5% down (FHA) | $4,205 | $117,962 | $794 | $53 | $256 | $1,103 | $47,300 |
Assumes a 30-year fixed loan at 7.11%, property tax of 1.96% of the home value a year, homeowners insurance of 0.6% a year, PMI of 0.5% of the loan a year when the down payment is under 20%, and FHA mortgage insurance of 0.55% a year plus a 1.75% upfront premium added to the loan. Your rate, taxes and insurance will differ.
What it takes: see what you can afford by salary in Illinois · part of the Galesburg metro area.
Illinois counties with similar prices
| County | Typical home | 1-yr change | Tax rate |
|---|---|---|---|
| Pike County | $120,686 | +5.3% | 1.53% |
| Hamilton County | $119,299 | -2.5% | 1.33% |
| Fulton County | $121,016 | +5.4% | 2.14% |
| Perry County | $118,878 | +0.9% | 1.6% |
| Edwards County | $118,550 | +0.6% | 1.45% |
| Warren County | $118,135 | -0.0% | 1.81% |
| White County | $117,551 | +7.7% | 1.34% |
| Massac County | $117,414 | +3.1% | 1.4% |
| Greene County | $123,704 | +3.6% | 1.74% |
| Marion County | $124,595 | +6.9% | 1.71% |
Frequently asked questions
What is the average home price in Knox County, IL?
The typical home value in Knox County is $120,138 (Zillow Home Value Index, September 2026).
How much do you need to earn to buy a house in Knox County?
About $38,700 a year for the typical home with 20% down at a 7.11% 30-year rate.
What is the property tax rate in Knox County?
The median effective rate is 1.96% of home value a year (Census ACS 2024 5-year estimates).