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Waterloo

A city of 11,129 people in Illinois
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Around town

The places and views that make it Waterloo

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Outdoors in Waterloo

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Map of Waterloo: conserved land, trails and the top places to walk
Conserved land4.4%238 of 5,362 acres
Trails1.6 mi0.2 mi per sq mi
Parks & preserves721 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Waterloo

The town at a glance, and the guide to how things work

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About Waterloo

City in Illinois, United States
1818Established
11,013Population
8.3 sq miArea
719 ftElevation

Waterloo is a city in and county seat of Monroe County, Illinois, United States. The population was 11,013 at the 2020 census, up from 9,811 in 2010.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code62298
Area code618
Living in Waterloo

Housing in Waterloo

$331K▲ 3.1% in a year Typical home value · Zillow

The typical Waterloo home is worth about $331,000, up 3.1% in a year, 11% above the Illinois typical home.

A seller's market

Buyer’sBalancedSeller’s
Days on market53
Sale-to-list96.9%
Sold in May23
Zillow Home Value Index · Redfin Data CenterHousing market →

Schools in Waterloo

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A−

School Grade A-

The public schools Waterloo’s kids attend, from kindergarten through graduation, outperform 81% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#56Best public schoolsof 384 in IL
DistrictWaterloo CUSD 5Schools6

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.

Famous people from WaterlooWriters, athletes, leaders and more who were born in Waterloo.Meet them →

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Waterloo

Illinois · IL
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01