Data through September 2026 · updated 2026-11-07 · free, from Zillow, Realtor.com, the Census Bureau and other public sources
Typical home value$120,138+11.8% YoY · prices are rising fast
Market right nowBalanced marketMore homes for sale than last year, 22% have cut their price
Income needed to buy, per year$26,043About 0.4× the local median income ($58,896): affordable for a typical household
Days on market49 daysFaster than a year ago: sellers have the edge
The typical home in Knox County, IL is worth $120,138, up 11.8% from a year ago. That is slightly below what local incomes have historically supported: fair value is about $122,221, so the area is 1.7% undervalued. It is a balanced market: homes take about 49 days to sell, listings are up 14% from a year ago, 22% of listings have had a price cut. A household needs about $26,043 a year to afford the typical home here at today's 7.18% mortgage rate (20% down, payment at 30% of income); the median household earns $58,896. In the latest IRS figures, 90 more people moved out than in.
Home value over time
Solid: typical home value · dashed: fair value (household income × the 20-year average price-to-income ratio). Sources: FHFA, Zillow, U.S. Census Bureau.
Prices and affordability
Typical home value
$120,138
Change in 1 year
+11.8%
Overvalued %
−1.7%
Show 6 more
Fair home value
$122,221
Change in 5 years
+18.0%
Home value to income
2.0×
Monthly mortgage payment (20% down)
$651
Income needed to afford it
$26,043
Property tax rate
1.96%
Rent and investing
HUD Fair Market Rent, 2 bedrooms
$930
Market activity
Listings vs a year ago
+13.9%
Days on market
49
Listings with a price cut
21.8%
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Homes for sale
131
Pending sales per 100 listings
44
Asking price per sq ft
$97
People and jobs
Median household income
$58,896
Population change (1 year)
−0.4%
Unemployment rate
5.1%
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Population
47,767
Income adjusted for cost of living
$67,387
Net moves in (IRS)
−90
Cost of living (US = 100)
87.4
Schools, risk and environment
School rating (1 to 10)
5.0
FEMA hazard risk score (0 to 100)
57.2
Flood risk score
49.4
Show 3 more
Wildfire risk score
1.1
Walkability (1 to 20)
6.7
Road, rail and air noise
52 dB
Questions people ask
Is Knox County, IL overvalued?
Home prices in Knox County, IL are slightly below what local incomes have historically supported: fair value is about $122,221, so the area is 1.7% undervalued.
Is Knox County, IL a buyer's or seller's market?
Knox County, IL is a balanced market: homes take about 49 days to sell, listings are up 14% from a year ago, 22% of listings have had a price cut.
Are home prices going down in Knox County, IL?
Home values in Knox County, IL are up 11.8% over the last year.
How much do you need to earn to buy a home in Knox County, IL?
A household needs about $26,043 a year to afford the typical home in Knox County, IL at today's 7.18% mortgage rate (20% down, payment at 30% of income); the median household earns $58,896.