Jefferson County, Iowa

Jefferson County: County in Iowa, United States

About

Jefferson County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 16,843 and a population density of 15 people per km². After 10 years in 2020 county had an estimated population of 18,347 inhabitants. Its county seat is Fairfield. The county was created 185 years ago in 1838.

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

Quick Facts about Jefferson County

Population : 18,347 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson Parish, Jefferson County, Jefferson County, Jefferson County
Area : 1131 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : Thomas Jefferson
Capital : Fairfield
Establishment : January 01, 1839
Time Zone : America/Chicago
Local time : 23:58:57 (21st December 2024)
Density : 16 Pop. per km² as of 2020
Population growth : 8.2% (2010-2020)
Jefferson County  Iowa Courthouse image
Jefferson County Iowa Courthouse
Jefferson County  Iowa Courthouse image

Geography

Jefferson County is located at 41°1'54"N 91°56'56"W (41.0317600, -91.9488800). It has 2 neighbors: Van Buren County and Washington County.

Jefferson County map

The largest city of Jefferson County is Fairfield with a population of 10,500. Other cities include, Maharishi Vedic City population 1,295, Batavia population 552, Libertyville population 341 and Packwood population 225. See all Jefferson County cities & populated places.

Jefferson County Populated Places

Cities, towns, neighborhoods & other populated places in Jefferson County.

City Name Population Title
Fairfield 10,500 City in Iowa, United States
Maharishi Vedic City 1,295 Human settlement in Jefferson County, Iowa, United States of America
Batavia 552 City in Iowa, USA
Libertyville 341 City in Jefferson County, Iowa, United States
Lockridge 281 Township in Jefferson County, Iowa
Packwood 225 Human settlement in Jefferson County, Iowa, United States of America
Pleasant Plain 98 Human settlement in Jefferson County, Iowa, United States of America

Jefferson County has 2 neighbours.

  • Fairfield

Demographics

The population of Jefferson County increased by 8.2% in 10 years.

Year Population % Change Method
2010 16,843 - census
2011 17,096 1.48% estimation process
2012 17,278 1.05% estimation process
2013 17,629 1.99% estimation process
2014 17,793 0.92% estimation process
2015 17,906 0.63% estimation process
2016 18,063 0.87% estimation process
2017 18,219 0.86% estimation process
2018 18,256 0.2% estimation process
2019 18,295 0.21% estimation process
2020 18,347 0.28% estimation process

Comitatul Jefferson, Comte de Jefferson, Comté de Jefferson, Condado de Jefferson, Condado han Jefferson, Contea di Jefferson, Dzhefersun, Dzhefferson, Hrabstwo Jefferson, Jeferson srjan, Jefferson, Jefferson Kun, Jefferson Kūn, Jefferson konderria, Jefferson megye, Jeffersoni maakond, Kantono Jefferson, Okrug DZeferson, Quan Jefferson, Quận Jefferson, jefason jun, jepharasana ka'unti, jie fu xun xian, mqatʿt jyfyrswn, shhrstan jfrswn aywwa, Джеферсън, Джефферсон, Округ Џеферсон, Ջեֆերսոն շրջան, جیفرسن کاؤنٹی، آئیووا, شهرستان جفرسون، آیووا, مقاطعة جيفيرسون, জেফারশন কাউন্টি, ジェファーソン郡, 傑佛遜縣

People born in Jefferson County (2)

People born in Jefferson County, including Medal of Honor recipient Edgar A. Bras, Democratic politician from Iowa George Washington Ball, .

List

Other places with the same name (25)

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
Johnson County 153,740 County in Iowa, 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.