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Waterloo

Iowacity

Photograph of Waterloo
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Waterloo

Total population

67,471

Median home value

$160,200

21.4%

Bachelor's+

Median income

$61,737

Waterloo$62k
National$74k
Elevation269 m
Land area163.75 km²
Weather70°F · Mostly Sunny
Coordinates42.49°, -92.35°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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Active weather alerts
  • Dense Fog Advisory · Moderate
    Dense Fog Advisory issued September 17 at 1:31AM CDT until September 17 at 10:00AM CDT by NWS Des Moines IA

Source: NOAA National Weather Service.

City facts

Elevation
269 m
Area
163.75 km²
head of government
Quentin M. Hart
Official website
www.ci.waterloo.ia.us

Sister cities

Facts from Wikidata (CC0).

Overview

Waterloo is a city in and the county seat of Black Hawk County, Iowa, United States. It is the eighth-most populous city in Iowa, with a population of 67,314 at the 2020 census. Waterloo comprises a twin conurbation with neighboring municipality Cedar Falls, and is the larger of the two cities. The Waterloo – Cedar Falls metropolitan area has an estimated 170,000 residents. Waterloo is bisected into eastern and western halves by the Cedar River flowing southeastward.

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History & geography

History

Waterloo was originally known as Prairie Rapids Crossing. The town was established near two Meskwaki American tribal seasonal camps alongside the Cedar River. It was first settled in 1845 when George and Mary Melrose Hanna and their children arrived on the east bank of the Red Cedar River (now just called the Cedar River). They were followed by the Virden and Mullan families in 1846. Evidence of these earliest families can still be found in the street names Hanna Boulevard, Mullan Avenue and Virden Creek. On December 8, 1845, the Iowa State Register and Waterloo Herald was the first newspaper published in Waterloo. The name Waterloo supplanted the original name, Prairie Rapids Crossing, shortly after Charles Mullan petitioned for a post office in the town. Since the signed petition did not include the name of the proposed post office location, Mullan was charged with selecting the name when he submitted the petition. Tradition has it that as he flipped through a list of other post offices in the United States, he came upon the name Waterloo. The name struck his fancy, and a post office was established under that name. There were two extended periods of rapid growth over the next 115 years. From 1895 to 1915, the population increased from 8,490 to 33,097, a 290% increase. From 1925 to 1960, population increased from 36,771 to 71,755. The 1895 to 1915 period was a time of rapid growth in manufacturing, rail transportation and wholesale operations. During this period the Waterloo Gasoline Traction Engine Company moved to Waterloo and, shortly after, the Rath Packing Company moved from Dubuque. Another major employer throughout the first two-thirds of the 20th century was the Illinois Central Railroad. Among the others was the less-successful brass era automobile…

Geography

According to the United States Census Bureau, the city has a total area of , of which is land and is water. The average elevation of Waterloo is 846 feet above sea level. The population density is 1101 people per square mile, considered low for an urban area. Waterloo has a humid continental climate zone (Köppen classification Dfa), typical of the state of Iowa, and is part of USDA Plant Hardiness zone 5a. The normal monthly mean temperature ranges from in January to in July. On average, there are 22 nights annually with a low at or below , 58 days annually with a high at or below freezing, and 16 days with a high at or above . As the mean first and last occurrence of freezing temperatures is October 1 and April 29, respectively, this allows for a growing season of 154 days. Temperature records range from on March 1, 1962, and January 16, 2009, up to on July 13 and 14, 1936, during the Dust Bowl. The record cold daily maximum is on February 2, 1996, while conversely the record warm daily minimum is on July 31, 1917, and August 16, 1988. }}

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Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
37.4
Median home value
$160,200
Housing units
32,083
Poverty rate
15.7%
Unemployment
4.9%

Race & ethnicity

White
65.3%
Black
15.6%
Asian
3.4%
Hispanic
9.5%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
42.4923
Longitude
-92.3519
Water area
1.84 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

This Afternoon
70°F
Mostly Sunny
Tonight
52°F
Mostly Cloudy
Wednesday
66°F
Partly Sunny
Wednesday Night
52°F
Mostly Cloudy then Chance Rain Showers
Thursday
63°F
Rain Showers
Thursday Night
44°F
Rain Showers then Mostly Cloudy

Forecast for Waterloo, IA from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
34.6%
Diabetes
12.2%
Adult obesity
44.2%
Binge drinking
20.7%
Adult smoking
19.3%
No leisure activity
27%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Schools

Total
31
Elementary
19
Middle
6
High
5
Other
1

Largest nearby schools

  • West High School
    High · Waterloo · 1,652 students · 17.2:1 ratio
  • Cedar Falls High School
    High · Cedar Falls · 1,302 students · 13.9:1 ratio
  • East High School
    High · Waterloo · 1,022 students · 17.3:1 ratio
  • Hoover Middle School
    Middle · Waterloo · 883 students · 15.8:1 ratio
  • Peet Junior High School
    Middle · Cedar Falls · 670 students · 13.7:1 ratio
  • Holmes Junior High School
    Middle · Cedar Falls · 639 students · 13.9:1 ratio
  • Kittrell Elementary School
    Elementary · Waterloo · 614 students · 13.1:1 ratio
  • Expo Alternative Learning Center
    High · Waterloo · 609 students · 18.5:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Iowa

Browse all places in Iowa →

Geography & sun

Avg solar (kWh/m²/day)
4.02
Annual solar (kWh/m²)
1,467

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
7,300
Avg daily Wikipedia views
252
Attention level
Modest

Pageview totals from the Wikimedia Pageviews API.

Books about Waterloo

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Nearest stream gauge

Events

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • NCES via Urban Institute Education Data Portal
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library