Whiteside County, IL real estate

What the numbers say

Whiteside County, IL real estate at a glance

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

In September 2026, the median home in Whiteside County listed for $169,200, up 14.2% from a year earlier. That is 48% below the Illinois median of $324,950.

Homes spent a median of 52 days on the market, slower than 41 days a year ago. That makes Whiteside County the #26 fastest-selling of 32 Illinois counties we track.

Homeowners in Whiteside County pay a median of $2,598 a year in property taxes on a median home value of $127,100, an effective rate of about 2.04%. The Illinois average is 2.01%, which makes Whiteside County the #77 lowest-tax of 102 counties in the state with published tax data.

Renters pay a median of $856 a month, and $843 for a two-bedroom. At today's prices a typical home costs about 16 times a year's rent.

With 20% down and today's 7.24% average 30-year rate, the monthly payment on a $169,000 home here comes to about $1,281 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $55,000 a year (the median household here earns $67,500).