Adams County , Iowa

Adams County: County in Iowa, United States

Adams County locator map
Location of Adams County on Iowa map.


Adams County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 4,029 and a population density of 4 people per km². After 10 years in 2020 county had an estimated population of 3,588 inhabitants. Its county seat is Corning. The county was created 168 years ago in 1853.

Adams County IA Courthouse image
Adams County IA Courthouse
Adams County IA Courthouse image


Adams County is located at 41°1'44"N 94°41'57"W (41.0289800, -94.6991800). It has 7 neighbors: Adair County, Cass County, Montgomery County, Page County, Ringgold County, Taylor County and Union County.

Adams County map

The largest city of Adams County is Corning with a population of 1,424. Other cities include, Prescott population 235, Williamson population 157 and Carbon population 31. See all Adams County cities & populated places.


Adams County forecast: Mostly sunny. High near 59, with temperatures falling to around 56 in the afternoon. East wind 10 to 14 mph, with gusts as high as 21 mph. more

Adams County Quick Facts

Population : 3,588 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County
Area : 1102 km2
Water as percent of area : 0.5%
Land as percent of area : 99.5%
Named for : John Adams
Capital : Corning
Establishment : March 03, 1853
Time Zone : America/Chicago
Local time : 09:57:43 (23rd October 2021)
Density : 3 Pop. per km² as of 2020
Population growth : -12.29% (2010-2020)
Weather : 59℉ Mostly Sunny 7-days weather

Adams County has 7 neighbours.


According to census records, the population of Adams County decreased by 12.29% in 10 years.

Year Population % Change Method
2010 4,029 - census
2011 3,994 -0.88% estimation process
2012 3,910 -2.15% estimation process
2013 3,891 -0.49% estimation process
2014 3,877 -0.36% estimation process
2015 3,754 -3.28% estimation process
2016 3,692 -1.68% estimation process
2017 3,657 -0.96% estimation process
2018 3,644 -0.36% estimation process
2019 3,602 -1.17% estimation process
2020 3,588 -0.39% estimation process

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People born in Adams County (3)

People born in Adams County, including politician Daniel Webster Turner, football player and coach Howard Odell, politician Effie Boggess, you can see a list of people who born in Adams County.

Other places with the same name (12)

Adams County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Adams County.

City Name Population Title
Corning 1,424 City in Adams County, Iowa, United States
Prescott 235 City in Iowa
Williamson 157 City in Iowa, USA
Nodaway 102 Township in Adams County, Iowa
Carbon 31 City in Adams County, Iowa, United States

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
Black Hawk County 130,786 County in Iowa, United States
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