Waterloo
City in Monroe County, Illinois
Waterloo is a city in Monroe County, Illinois, with 11,013 residents (2020 Census). It sits at 719 ft (219 m) above sea level. The nearest town is Floraville, 5.8 miles NE.
- 11,013residents (2020 Census)
- 719 ftelevation · 219 m
- 8.3 sq miland area · 21.5 km²
- 1,329 / sq mipopulation density
- 62298ZIP code
About Waterloo
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.
Text: Wikipedia · CC BY-SA 4.0
Waterloo weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Waterloo
Webcams: Windy.com
Living in Waterloo
- Median household income
- $98,711
- Median home value
- $249,500
- Median rent
- $886/mo
- Median age
- 41.5
Do you know Waterloo? Tell us about it
Help other travelers: share what makes Waterloo special. We review every message before publishing it.
Map of Waterloo
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Waterloo Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Waterloo, IL population
Waterloo had 11,013 residents in the 2020 Census.
| 2020 Census | 11,013 |
|---|---|
| Density | 1,329 per sq mi (513 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Waterloo at a glance
| State | Illinois (IL) |
|---|---|
| County | Monroe County |
| Type | City |
| Population | 11,013 (2020) |
| Land area | 8.29 sq mi (21.5 km²) |
| Water area | 0.13 sq mi (0.35 km²) |
| Elevation | 719 ft (219 m) |
| Coordinates | 38.3412° N, 90.1527° W |
| ZIP code | 62298 |
| Official website | waterloo.il.us |
| Census code (GEOID) | 1779150 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Waterloo
- Floraville5.8 mi NE
- Paderborn5.9 mi E
- Valmeyer8.2 mi W
- Millstadt8.3 mi NE
- Columbia8.8 mi NW
- Maeystown8.8 mi SW
- Hecker9.0 mi E
- Smithton10.2 mi NE
- Kimmswick, MO11.6 mi W
- Oakville, MO11.7 mi NW
- Red Bud12.3 mi SE
- Imperial, MO12.5 mi W
Straight-line distance between town centers.
Frequently asked questions about Waterloo
What county is Waterloo in?
Waterloo is in Monroe County, Illinois.
What is the population of Waterloo, IL?
11,013 people lived in Waterloo at the 2020 Census.
What is the ZIP code of Waterloo, IL?
The ZIP code of Waterloo is 62298.
What is the elevation of Waterloo?
719 feet (219 m) above sea level.
What towns are near Waterloo?
Floraville (5.8 mi), Paderborn (5.9 mi), Valmeyer (8.2 mi), Millstadt (8.3 mi), Columbia (8.8 mi).
Last updated: