Adams County, IL real estate

What the numbers say

Adams County, IL real estate at a glance

By AstroCore · Realtor.com, US Census and Freddie Mac data

In September 2026, the median home in Adams County listed for $219,725, up 22.1% from a year earlier. That is 32% below the Illinois median of $324,950.

Homes spent a median of 47 days on the market, faster than 49 days a year ago. That makes Adams County the #22 fastest-selling of 32 Illinois counties we track.

Homeowners in Adams County pay a median of $2,573 a year in property taxes on a median home value of $162,600, an effective rate of about 1.58%. The Illinois average is 2.01%, which makes Adams County the #31 lowest-tax of 102 counties in the state with published tax data.

Renters pay a median of $828 a month, and $911 for a two-bedroom. At today's prices a typical home costs about 22 times a year's rent, which generally favors renting over buying in the short term.

With 20% down and today's 7.24% average 30-year rate, the monthly payment on a $220,000 home here comes to about $1,579 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $68,000 a year (the median household here earns $66,220).