Data through September 2026 · updated 2026-11-07 · free, from Zillow, Realtor.com, the Census Bureau and other public sources
Typical home value$184,345−3.5% YoY · prices are falling fast
Market right nowBuyer's marketMore homes for sale than last year, 16% have cut their price
Income needed to buy, per year$39,962About 0.6× the local median income ($66,013): affordable for a typical household
Days on market66 daysFaster than a year ago: sellers have the edge
The typical home in Johnson County, IL is worth $184,345, down 3.5% from a year ago. That is slightly below what local incomes have historically supported: fair value is about $198,822, so the area is 7.3% undervalued. It is a buyer's market: homes take about 66 days to sell, listings are up 42% from a year ago, 16% of listings have had a price cut. A household needs about $39,962 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 $66,013. In the latest IRS figures, 7 more people moved in than out.
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
$184,345
Change in 1 year
−3.5%
Overvalued %
−7.3%
Show 6 more
Fair home value
$198,822
Change in 5 years
+17.4%
Home value to income
2.8×
Monthly mortgage payment (20% down)
$999
Income needed to afford it
$39,962
Property tax rate
1.24%
Rent and investing
HUD Fair Market Rent, 2 bedrooms
$930
Market activity
Listings vs a year ago
+42.4%
Days on market
66
Listings with a price cut
15.6%
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Homes for sale
47
Pending sales per 100 listings
32
Asking price per sq ft
$130
People and jobs
Median household income
$66,013
Population change (1 year)
+0.1%
Unemployment rate
3.5%
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Population
13,363
Income adjusted for cost of living
$75,530
Net moves in (IRS)
+7
Cost of living (US = 100)
87.4
Schools, risk and environment
School rating (1 to 10)
6.2
FEMA hazard risk score (0 to 100)
51.1
Flood risk score
37.9
Show 3 more
Wildfire risk score
11.3
Walkability (1 to 20)
3.9
Road, rail and air noise
54 dB
Questions people ask
Is Johnson County, IL overvalued?
Home prices in Johnson County, IL are slightly below what local incomes have historically supported: fair value is about $198,822, so the area is 7.3% undervalued.
Is Johnson County, IL a buyer's or seller's market?
Johnson County, IL is a buyer's market: homes take about 66 days to sell, listings are up 42% from a year ago, 16% of listings have had a price cut.
Are home prices going down in Johnson County, IL?
Home values in Johnson County, IL are down 3.5% over the last year.
How much do you need to earn to buy a home in Johnson County, IL?
A household needs about $39,962 a year to afford the typical home in Johnson County, IL at today's 7.18% mortgage rate (20% down, payment at 30% of income); the median household earns $66,013.