Map of Waterloo, Iowa, United States

Waterloo is a city in Iowa, United States, with a population of about 68,460. It lies at 42.4928°N, 92.3430°W, about 261 m above sea level. Waterloo is about 1,349 km (838 mi) west of Washington, D.C., the capital. The nearest city on our map is Cedar Falls, 9 km to the northwest.

Waterloo at a glance

Where is Waterloo?

• The 6th largest city in Iowa on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 9 h 03 min on the shortest day to 15 h 18 min on the longest day (around 21 December and 21 June).

Cities near Waterloo

• Cedar Falls — 9 km northwest
• Cedar Rapids — 79 km southeast
• Marion — 80 km southeast
• Iowa City — 114 km southeast
• Ames — 117 km southwest
• Ankeny — 134 km southwest
• Des Moines — 144 km southwest
• Urbandale — 148 km southwest
• West Des Moines — 152 km southwest
• La Crosse — 171 km northeast

Largest cities in Iowa

• Des Moines — 214,133
• Cedar Rapids — 130,405
• Davenport — 102,582
• Sioux City — 82,821
• Iowa City — 74,220
• Ames — 65,060
• West Des Moines — 64,113
• Council Bluffs — 62,597
• Dubuque — 58,799
• Ankeny — 56,764

Largest cities in United States

• New York City — 8,804,190
• Los Angeles — 3,820,914
• Brooklyn — 2,736,074
• Chicago — 2,664,452
• Queens — 2,316,841
• Houston — 2,314,157
• Phoenix — 1,650,070
• Philadelphia — 1,573,916
• San Antonio — 1,526,656
• Manhattan — 1,487,536

Map of United States and all its cities →

Other places named Waterloo

• Waterloo — Ontario, Canada
• Waterloo — Western Area, Sierra Leone

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.