Dubuque County, IA real estate

What the numbers say

Dubuque County, IA real estate at a glance

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

In September 2026, the median home in Dubuque County listed for $297,000, down 17.2% from a year earlier. That is 4% above the Iowa median of $284,900.

Homes spent a median of 39 days on the market, faster than 51 days a year ago. That makes Dubuque County the #2 fastest-selling of 13 Iowa counties we track.

Homeowners in Dubuque County pay a median of $2,919 a year in property taxes on a median home value of $237,300, an effective rate of about 1.23%. The Iowa average is 1.39%, which makes Dubuque County the #31 lowest-tax of 99 counties in the state with published tax data.

Renters pay a median of $959 a month, and $994 for a two-bedroom. At today's prices a typical home costs about 26 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 $297,000 home here comes to about $2,047 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $88,000 a year (the median household here earns $77,630).