Income needed to buy a home
Putnam County, IL
$68,880
a year in household income to buy the typical Putnam County home with 10% down.
The monthly math
Typical home value$193,159
Down payment (10%)$19,316
Loan$173,843
Principal and interest (7.40%)$1,204/mo
Property tax (1.46% a year)$235/mo
Homeowners insurance (estimate)$97/mo
Mortgage insurance$72/mo
Total monthly cost$1,607/mo
Income needed keeps housing at 28% of gross income, the lender rule of thumb.
What locals earn
Right at the edge
The typical household here earns $75,590 a year, 10% more than it takes.
In Illinois
Putnam County ranks #73 of 102 for the income a home takes, from least to most.
Easiest to afford in Illinois
| County | Typical home | Income needed |
|---|---|---|
| Alexander County | $51,236 | $17,751 |
| Pulaski County | $74,037 | $25,267 |
| Scott County | $90,376 | $31,882 |
| Saline County | $88,425 | $32,129 |
| Gallatin County | $91,943 | $32,573 |
Typical home value from the Zillow Home Value Index, August 2026. Rate is the Freddie Mac 30-year average for Oct 8, 2026. Property tax rate is total taxes paid divided by total home value in the county (U.S. Census, ACS 2020-2024). How it works.