Black Hawk County, Iowa

Black Hawk County: County in Iowa, United States

About

Black Hawk County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 131,090 and a population density of 89 people per km². After 10 years in 2020 county had an estimated population of 130,786 inhabitants. Its county seat is Waterloo. The county was created 181 years ago in 1842.

Black Hawk County locator map
Location of Black Hawk County on Iowa map.

Quick Facts about Black Hawk County

Population : 130,786 (2020)
Country : United States of America
State : Iowa (United States)
Area : 1481 km2
Official name : Black Hawk County
Water as percent of area : 1.2%
Land as percent of area : 98.8%
Named for : Black Hawk
Altitude : 843 feet / 257 meters
Capital : Waterloo
Establishment : January 01, 1843
Time Zone : UTC−05:00
Local time : 22:50:09 (24th November 2024)
Density : 88 Pop. per km² as of 2020
Population growth : -0.23% (2010-2020)
Black Hawk County Courthouse in Waterloo IA image
Black Hawk County Courthouse in Waterloo IA
Black Hawk County Courthouse in Waterloo IA image
Black Hawk County Courthouse in Waterloo IA image

Geography

Black Hawk County is located at 42°28'12"N 92°18'32"W (42.4701000, -92.3088200). It has 6 neighbors: Benton County, Bremer County, Buchanan County, Butler County, Grundy County and Tama County.

Black Hawk County map

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

The largest city of Black Hawk County is Waterloo with a population of 67,292. Other cities include, Cedar Falls population 40,231, Evansdale population 4,734, Hudson population 2,473 and La Porte City population 2,240. See all Black Hawk County cities & populated places.

Black Hawk County Populated Places

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

City Name Population Title
Waterloo 67,292 The most populous city in Black Hawk County, Iowa.
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.

Black Hawk County has 6 neighbours.

  • Waterloo

Demographics

According to census records, the population of Black Hawk County decreased by 0.23% in 10 years.

Year Population % Change Method
2000 128,013 - estimation process
2010 131,090 2.35% census
2011 131,584 0.38% estimation process
2012 131,878 0.22% estimation process
2013 132,933 0.79% estimation process
2014 133,390 0.34% estimation process
2015 133,701 0.23% estimation process
2016 133,077 -0.47% estimation process
2017 132,238 -0.63% estimation process
2018 131,723 -0.39% estimation process
2019 131,228 -0.38% estimation process
2020 130,786 -0.34% estimation process

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People born in Black Hawk County (1)

American tennis player Wilfred Blatherwick was born in Black Hawk County

Iowa Other Counties (more counties)

County Name Population Title
Indiana 820,445 A city located in the state of Iowa.
Polk County 494,281 County in Iowa, United States
Linn County 227,854 County in Oregon, United States
Des Moines 212,312 The capital of Iowa.
Scott County 173,216 County in Tennessee, United States
Johnson County 153,740 County in Iowa, United States
Cedar Rapids 134,027 The second most populous city in Iowa.
Woodbury County 103,138 County in Iowa, United States of America
Davenport 101,799 The most populous city in Scott County, Iowa.
Story County 98,237 County in Iowa, United States
Dubuque County 97,590 County in Iowa, United States
Dallas County 96,963 County in Iowa, United States
Pottawattamie County 93,328 County in Iowa, United States of America
Sioux City 82,651 The second most populous city in Iowa.
Iowa City 75,130 The most populous city in Johnson County, Iowa.
Ankeny 70,068 The most populous city in Polk County, Iowa.