Johnson County , Iowa

Johnson County: County in Iowa, United States

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

About

Johnson County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 130,882 and a population density of 81 people per km². After 10 years in 2020 county had an estimated population of 153,740 inhabitants. Its county seat is Iowa City. The county was created 183 years ago in 1837.

Johnson county courhouse iowa image
Johnson county courhouse iowa
Johnson county courhouse iowa image

Geography

Johnson County is located at 41°40'18"N 91°35'17"W (41.6715500, -91.5880800). It has 2 neighbors: Muscatine County and Washington County.

Johnson County map

The largest city of Johnson County is Iowa City with a population of 75,130. Other cities include, Coralville population 22,484, North Liberty population 19,736, Tiffin population 4,629 and Solon population 2,771. See all Johnson County cities & populated places.

Johnson County Quick Facts

Population : 153,740 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County
Area : 1614 km2
Water as percent of area : 1.5%
Land as percent of area : 98.5%
Named for : Richard Mentor Johnson
Capital : Iowa City
Establishment : December 12, 1837
Time Zone : America/Chicago
Local time : 04:12:19 (21st October 2021)
Density : 95 Pop. per km² as of 2020
Population growth : 14.87% (2010-2020)

Johnson County has 2 neighbours.

  • Iowa City

Demographics

The population of Johnson County increased by 14.87% in 10 years.

Year Population % Change Method
2010 130,882 - census
2011 134,086 2.39% estimation process
2012 137,103 2.2% estimation process
2013 140,151 2.17% estimation process
2014 142,730 1.81% estimation process
2015 144,943 1.53% estimation process
2016 146,928 1.35% estimation process
2017 149,325 1.61% estimation process
2018 150,549 0.81% estimation process
2019 151,140 0.39% estimation process
2020 153,740 1.69% estimation process

Comitatul Johnson, Comte de Johnson, Comté de Johnson, Condado de Johnson, Condado han Johnson, Contea di Johnson, Dzhonson, Dzhonsun, Hrabstwo Johnson, Johnson, Johnson Kun, Johnson Kūn, Johnson konderria, Johnson megye, Johnsoni maakond, Jonson srjan, Kantono Johnson, Okrug DZonson, Quan Johnson, Quận Johnson, janasana ka'unti, jonson jun, mqatʿt jwnswn, shhrstan janswn aywwa, yue han xun xian, Джонсон, Джонсън, Округ Џонсон, Ջոնսոն շրջան, جانسن کاؤنٹی، آئیووا, شهرستان جانسون، آیووا, مقاطعة جونسون, জনসন কাউন্টি, ジョンソン郡, 約翰遜縣

People born in Johnson County (2)

People born in Johnson County, including prostitute Mattie Blaylock, ornithologist and taxonomist Violet S. Williams, you can see a list of people who born in Johnson County.

Other places with the same name (12)

Johnson County Populated Places

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

City Name Population Title
Iowa City 75,130 City in Johnson County, Iowa
Coralville 22,484 City in Johnson County, Iowa, United States
North Liberty 19,736 City in Johnson County, Iowa, United States of America
Tiffin 4,629 Human settlement in Johnson County, Iowa, United States of America
Solon 2,771 Human settlement in Johnson County, Iowa, United States of America
Lone Tree 1,384 Human settlement in Johnson County, Iowa, United States of America
University Heights 1,025 Town in Johnson County, Iowa, United States
Swisher 959 Human settlement in Johnson County, Iowa, United States of America
Hills 834 Human settlement in Johnson County, Iowa, United States of America
Oxford 797 City in Johnson County, Iowa, United States of America
Shueyville 655 City in Johnson 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
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
West Des Moines 69,057 City in Polk County, Iowa, United States