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Where am ILOCATED

Waterloo-Cedar Falls, IA Metro Area

The Waterloo-Cedar Falls, IA metro area is made up of 3 counties in Iowa: Black Hawk, Bremer, and Grundy, largest first. About 169,189 people lived there on July 1, 2025 (Census estimate), 0.4% more than in April 2020.

Black Hawk County, centralBremer County, outlyingGrundy County, outlyingWaterlooCedar Falls
Central Outlying 3 counties in Iowa
Population, July 2025
169,189 0.4% more than in April 2020
Type
Metropolitan statistical area
Counties
3: 1 central, 2 outlying
Land area
1,503 sq mi (3,893 km²)
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
State
Iowa
CBSA code
47940
Open this area in the metro area finder

Counties in the Waterloo-Cedar Falls, IA metro area, largest first

CountyRolePopulation, July 2025Share of the area
Black Hawk CountyCentral131,53277.7%
Bremer CountyOutlying25,29615.0%
Grundy CountyOutlying12,3617.3%

A central county holds the area’s core, an urban area of at least 50,000 people. An outlying county is in the area because of commuting: at least a quarter of its workers have jobs in the central county, or at least a quarter of the people working there live in them. A county belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal cities, largest first

  1. Waterloo67,008 people
  2. Cedar Falls40,888 people

OMB names the area after its largest principal cities. A principal city is the area’s largest city, plus any other city that is very large or a big job center, and smaller ones with at least as many jobs as working residents (2020 Census and commuting figures). People counts are American Community Survey 2020–2024 5-year estimates.

Bordering metro and micro areas, nearest first

Areas with a county on this area’s edge. Distances are straight lines between the areas’ largest cities.

  1. Marshalltown, IA Micro Area42 mi southwest
  2. Cedar Rapids, IA Metro Area50 mi southeast

Before using this answer on a form

A metro or micro area is a statistical area that OMB draws for federal statistics. It is not a city, a local government or a mailing address, and it is not a measure of urban and rural: whole counties count, rural parts included. Programs that use metro areas, such as housing income limits or wage rates, can use their own version of these lists; check the program’s own list for an address.

Find the metro area where you are now, find your county, or see every metro and micro area by population.

See this area on Census.gov ↗