Waterloo, IL

View of Waterloo, IL
Population
11,132
U.S. Census Population Estimates Program · 2025
Elevation
713 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$249,500
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$886/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$98,711
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Waterloo

Downtown Waterloo revolves around the historic Monroe County courthouse square, which serves as the everyday heart of the community. Historic brick storefronts along Main Street house local coffee shops, independent boutiques, and neighborhood eateries. On Tuesday evenings throughout the summer, families and neighbors bring lawn chairs to the courthouse lawn for free concerts by the Waterloo Municipal Band, a local tradition running for more than eight decades. Between community events like PumpkinFest in the fall, warm-weather music series, and casual weekend strolls, downtown stays active year-round.

Located about 25 miles south of downtown St. Louis, Waterloo sits on the rolling bluffs east of the Mississippi River, making it an easy commute for people who want a quieter home base. The town has deep roots stretching back to early frontier settlements, and a wave of German immigration in the 1800s left a lasting impression on local traditions and architecture. Modern life here is easy to navigate: historic Main Street provides a walkable setting for dining and civic offices, while Route 3 carries the bulk of daily shopping, chain stores, and medical services.

Setting up a home in Waterloo is simplified by the fact that the city operates its own utilities. Electric, natural gas, water, and sewer services can all be organized in one visit to City Hall, saving newcomers the headache of coordinating with multiple utility providers. The community also features well-maintained public parks, youth sports complexes, and walking paths for getting outside. With reliable local services and a quick connection to the wider metro area, Waterloo offers practical convenience alongside genuine small-town character.

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