Based on information submitted to the MLS GRID as of 2026-09-20 16:27:49 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Waterloo, IL community profile
Population
11,177
Median income
$91,873
Housing units
4,783
People per sq. mi.
76.7
Area
145.8 sq. mi.
Source: HJN community data
Waterloo housing market
August 2026
Homes that sold · County records, as of Aug 31, 2026
Median sale price
$337,000$251,500–$426,000 typical range
Price per sq. ft.
$222
Sales
30
Paid in cash
16.7%
Homes on the market · MLS, as of Aug 31, 2026
Median days on market
43 days
Price trend · Assessor repeat sales, as of Aug 31, 2026