Black Hawk County , Iowa

Black Hawk County: County in Iowa, United States

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

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 178 years ago in 1842.

Black Hawk County Courthouse in Waterloo IA image
Black Hawk County Courthouse in Waterloo IA
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

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.

Weather

Black Hawk County forecast: Sunny, with a high near 68. more

Black Hawk County Quick Facts

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 : 19:50:51 (25th September 2021)
Density : 88 Pop. per km² as of 2020
Population growth : -0.23% (2010-2020)
Weather : 68℉ Sunny 7-days weather

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

Other places with the same name (1)

Black Hawk County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Black Hawk County.

City Name Population Title
Waterloo 67,292 City in Black Hawk County, Iowa, United States
Cedar Falls 40,231 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.

Iowa Other Counties (more counties)

County Name Population Title
Polk County 494,281 County in Iowa, United States
Linn County 227,854 County in Oregon, United States
Des Moines 212,312 City in and county seat of Polk County, Iowa, United States, and Iowa federated state capital city
Scott County 173,216 County in Tennessee, United States
Johnson County 153,740 County in Iowa, United States
Cedar Rapids 134,027 City in Iowa
Woodbury County 103,138 County in Iowa, United States of America
Davenport 101,799 County seat of Scott County, Iowa, United States
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 City in Iowa, United States of America
Iowa City 75,130 City in Johnson County, Iowa
Ankeny 70,068 Suburb in Iowa
West Des Moines 69,057 City in Polk County, Iowa, United States