Waterloo, Iowa

Waterloo: The most populous city in Black Hawk County, Iowa.

About

Waterloo is a city located in the county of Black Hawk in the U.S. state of Iowa. Its population at the 2010 census was 68,406 and a population density of 418 people per km². After 10 years in 2020 city had an estimated population of 67,292 inhabitants.

Waterloo is a city in and the county seat of Black Hawk County, Iowa, United States. As of the 2020 United States Census the population was 67,314, making it the eighth-largest city in the state. The city is part of the Waterloo – Cedar Falls Metropolitan Statistical Area, and is the more populous of the two cities.

It is located approximately 25 miles north of Iowa City and about 20 miles south of Cedar Rapids. The city's population was about 5,000 at its 1860 incorporation as a village; by 1890 it had grown to 25,000; and by 1910 it was about 38,000. With some annexation growth since then, as of 2010 its population had reached 61,213.

Waterloo is home to Northern Iowa University (NIU or UNI), which is part of the NCAA Division I Football Championship Subdivision (FCS). It also hosts many other institutions such as Black Hawk College, a community college; Morningside College (a private Methodist college); and several private universities including Concordia University and St. Ambrose University.

The 2010 U.S Census shows Waterloo's population at 61,213 residents living in 24,811 households.

Waterloo locator map
Location of Waterloo on Iowa map.

Quick Facts about Waterloo

Population 67,292 (2020)
Country United States of America
State Iowa (United States)
County Black Hawk County
Postal code 50701–50707
Phone Area Codes 319
Area 163.75 km2
Latitude & Longitude 42.4928,-92.3430
Altitude 883 feet / 269 meters
Capital city Waterloo is capital of Black Hawk County
Time Zone Central Time Zone
Local time 21:27:59 (22nd April 2026)
Density 411 Pop. per km² as of 2020
Population growth -1.66% (2010-2020)
Weather 80℉ Sunny 7-days weather
Downtown Waterloo North Side 2006 image
Downtown Waterloo North Side 2006 image

Geography

Waterloo is located at 42°29'34"N 92°20'35"W (42.4927600, -92.3429600).

Waterloo map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

80°F
Sunny
6 to 15 mph SE Wednesday

Sunny, with a high near 80.

7-Day Forecast

Official website of Waterloo

Official Website
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Demographics

According to census records, the population of Waterloo decreased by 1.66% in 10 years.

Year Population % Change Method
2010 68,406 - census
2011 68,554 0.22% estimation process
2012 68,535 -0.03% estimation process
2013 68,700 0.24% estimation process
2014 68,676 -0.03% estimation process
2015 68,619 -0.08% estimation process
2016 68,108 -0.75% estimation process
2017 67,758 -0.52% estimation process
2018 67,722 -0.05% estimation process
2019 67,328 -0.59% estimation process
2020 67,292 -0.05% estimation process
Waterloo zip code is 50701. County name: Black Hawk, County fips: 19013
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Services and Civic Places in Waterloo

1Waterloo City Hall

Rating: 3.1 (10)

715 Mulberry St, Waterloo, IA 50703 View details

Phone: +13192914311 | Website available

People born in Waterloo (109)

People born in Waterloo, including politician Michele Bachmann, First Lady of the United States Lou Henry Hoover, wrestler and coach Dan Gable, .

More notable people

  • Tracie Spencer (American singer-songwriter and actress) she was born in 12/07/1976
  • Walter Donald Douglas (American businessman) he was born in 21/04/1861
  • David Dean Shulman (American indologist, historian of religion, and poet) he was born in 13/01/1949
  • Edwin Thompson Jaynes (American physicist) he was born in 05/07/1922
  • Lloyd Biggle, Jr. (American historian and science fiction writer) he was born in 17/04/1923
  • Buddy Hughes (American musician) he was born in 18/06/1919
  • Carl Lotus Becker (American historian) he was born in 07/09/1873
  • Don Perkins (Player of American football) he was born in 04/03/1938
  • Darren Sproles (Player of American football) he was born in 20/06/1983
  • Aaron Cross (American Paralympic archer) he was born in 28/06/1975
  • Travis Fulton (American mixed martial artist) he was born in 29/05/1977
  • Robert D. Fulton (American politician) he was born in 13/05/1929
  • Suzanne Stephens (American musician) she was born in 28/07/1946
  • Michael Townley (American murderer) he was born in 09/12/1942
  • Al Hoosman (American boxer and actor (1918-1968)) he was born in 04/10/1918
  • Molly Goodenbour (American basketball player-coach) she was born in 08/02/1972
  • Adam DeVine (American actor, comedian and writer) he was born in 07/11/1983
  • Alfred C. Richmond (American Coast Guard admiral) he was born in 18/01/1902

Nearby Schools and Colleges

Schools and campuses linked to Waterloo, IA. Select a name to open its map and contact details.

Code Name City ZIP
152798 Allen College Waterloo (IA) 50703-1999
153445 Hawkeye Community College Waterloo (IA) 50701
153746 La James International College-Cedar Falls Cedar Falls (IA) 50613
154545 The Salon Professional Academy-Cedar Falls Cedar Falls (IA) 50613
260910 Purdue University Global-Cedar Falls Cedar Falls (IA) 50613

Closest post offices linked to Waterloo.

Post Office Name City ZIP
Waterl Post Office Waterloo (IA) 50701
Waterloo Annex Post Office Waterloo (IA) 50701
Cedar Fall Post Office Cedar Falls (IA) 50613
Dewar Post Office Dewar (IA) 50623
Raymond Post Office Raymond (IA) 50667

Other places with the same name (11)

  • Waterloo, Illinois city in Illinois with a population of 10,536 people.
  • Waterloo, New York city in Seneca County, New York, United States of America with a population of 4,864 people.
  • Waterloo, Michigan township in Jackson County, Michigan with a population of 2,882 people.
  • Waterloo, Ohio human settlement in Ohio, United States with a population of 2,605 people.
  • Waterloo, Wisconsin fourth-class city in Jefferson County, Wisconsin with a population of 940 people.
  • Waterloo, Nebraska village in Nebraska, United States with a population of 914 people.
  • Waterloo, Indiana town in Indiana, United States with a population of 571 people.
  • Waterloo, Kansas human settlement in United States of America with a population of 279 people.
  • Waterloo, Oregon city in Oregon, USA with a population of 250 people.
  • Waterloo, Alabama town in Lauderdale County, Alabama, United States with a population of 199 people.
  • Waterloo, South Carolina town in Laurens County, South Carolina, United States with a population of 170 people.

Other cities in Black Hawk County

Cities, towns, neighborhoods & other populated places in Black Hawk County , IA.

City Name Population Title
Cedar Falls 40,231 The largest city in Black Hawk County, Iowa.
Evansdale 4,734 City in Black Hawk County, Iowa, United States of America
Hudson 2,473 City in Black Hawk County, Iowa, United States
La Porte City 2,240 City in Black Hawk County, Iowa, United States of America
Elk Run Heights 1,135 City in Black Hawk County, Iowa, United States of America
Dunkerton 851 City in Black Hawk County, Iowa, United States of America
Raymond 788 City in Iowa
Gilbertville 725 City in Black Hawk County, Iowa, United States of America.

Distance to Other Cities

Waterloo distances to largest Iowa cities