Johnson County, Iowa
Johnson County: County in Iowa, United States
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 187 years ago in 1837.
Quick Facts about Johnson County
| 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 : | 12:13:38 (21st December 2024) |
| Density : | 95 Pop. per km² as of 2020 |
| Population growth : | 14.87% (2010-2020) |
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
icon to open full mode. View satellite images
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 Populated Places
Cities, towns, neighborhoods & other populated places in Johnson County.
| City Name | Population | Title |
|---|---|---|
| Iowa City | 75,130 | The most populous 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 |
- Official Website
Official website of Johnson County
Johnson County has 2 neighbours.
- Muscatine County county in Iowa, United States
- Washington County county in Iowa, United States
- 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 |
People born in Johnson County (2)
People born in Johnson County, including prostitute Mattie Blaylock, ornithologist and taxonomist Violet S. Williams, .
List
Other places with the same name (12)
- Johnson County , Kansas county in Wyoming, United States with a population of 607,220 people.
- Johnson County , Texas county in Texas, United States with a population of 179,575 people.
- Johnson County , Indiana county in Indiana, United States with a population of 160,607 people.
- Johnson County , Missouri county in Missouri, United States with a population of 54,219 people.
- Johnson County , Arkansas county in Arkansas, United States with a population of 26,513 people.
- Johnson County , Kentucky county in Kentucky, United States with a population of 22,002 people.
- Johnson County , Tennessee county in Tennessee, United States with a population of 17,849 people.
- Johnson County , Illinois county in Illinois, United States with a population of 12,358 people.
- Johnson County , Georgia county in Georgia, United States with a population of 9,667 people.
- Johnson County , Wyoming county in Wyoming, United States with a population of 8,588 people.
- Johnson County , Nebraska county in Nebraska, United States with a population of 5,057 people.
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 |
| Cedar Rapids | 134,027 | The second most populous 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 | 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. |
