Decatur County, Iowa

Decatur County: County in Iowa, United States

About

Decatur County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 8,457 and a population density of 6 people per km². After 10 years in 2020 county had an estimated population of 7,769 inhabitants. Its county seat is Leon. The county was created 176 years ago in 1845.

Quick Facts about Decatur County

Population : 7,769 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Decatur County, Decatur County, Decatur County, Decatur County
Area : 1381 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : Stephen Decatur
Capital : Leon
Establishment : January 01, 1846
Time Zone : America/Chicago
Local time : 22:11:55 (4th July 2022)
Density : 6 Pop. per km² as of 2020
Population growth : -8.86% (2010-2020)
Decatur County locator map
Location of Decatur County on Iowa map.
Decatur County IA Courthouse image
Decatur County IA Courthouse
Decatur County IA Courthouse image

Geography

Decatur County is located at 40°44'16"N 93°47'11"W (40.7376800, -93.7862800). It has 5 neighbors: Clarke County, Ringgold County, Wayne County, Harrison County and Mercer County.

Decatur County map

The largest city of Decatur County is Lamoni with a population of 2,196. Other cities include, Leon population 1,808, Van Wert population 208, Decatur City population 184 and Davis City population 184. See all Decatur County cities & populated places.

Decatur County Populated Places

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

City Name Population Title
Lamoni 2,196 City in Iowa, United States
Leon 1,808 City in Iowa, USA
Grand River 215 Township in Decatur County, Iowa
Van Wert 208 Human settlement in Decatur County, Iowa, United States of America
Garden Grove 200 Township in Decatur County, Iowa
Decatur City 184 Human settlement in Decatur County, Iowa, United States of America
Davis City 184 Human settlement in Decatur County, Iowa, United States of America
Weldon 104 City in Iowa, USA
Pleasanton 44 City in Iowa, United States
Le Roy 14 Human settlement in Decatur County, Iowa, United States of America

Decatur County has 5 neighbours.

  • Leon

Demographics

According to census records, the population of Decatur County decreased by 8.86% in 10 years.

Year Population % Change Method
2010 8,457 - census
2011 8,249 -2.52% estimation process
2012 8,239 -0.12% estimation process
2013 8,216 -0.28% estimation process
2014 8,209 -0.09% estimation process
2015 8,137 -0.88% estimation process
2016 8,053 -1.04% estimation process
2017 7,947 -1.33% estimation process
2018 7,890 -0.72% estimation process
2019 7,870 -0.25% estimation process
2020 7,769 -1.3% estimation process

Comitatul Decatur, Comte de Decatur, Comté de Decatur, Condado de Decatur, Condado han Decatur, Contea di Decatur, Decatur, Decatur Kun, Decatur Kūn, Decatur konderria, Decatur megye, Dekatur, Dekatur srjan, Dekejter, Dikejtur, Hrabstwo Decatur, Kantono Decatur, Okrug Dekejtur, Quan Decatur, Quận Decatur, dekatura ka'unti, di kai te xian, diketa jun, mqatʿt dykatwr, shhrstan dkatwr aywwa, Декатур, Декейтер, Дикейтър, Округ Декејтур, Դեկատուր շրջան, شهرستان دکاتور، آیووا, مقاطعة ديكاتور, ڈیکاٹر کاؤنٹی، آئیووا, ڈیکاٹور کاؤنٹی، آئیووا, ডেকাটুর কাউন্টি, ディケーター郡, 第開特縣

People born in Decatur County (1)

American politician Arlo Hullinger was born in Decatur County

Other places with the same name (5)

Iowa Other Counties (more counties)

County Name Population Title
Indiana 820,445 City in and county seat of Marion County, Indiana, United States and the Indiana federated state capital city
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