Jefferson County , Missouri

Jefferson County: County in Missouri, United States

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

About

Jefferson County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 218,733 and a population density of 127 people per km². After 9 years in 2019 county had an estimated population of 225,081 inhabitants. Its county seat is Hillsboro. The county was created 203 years ago in 1817.

Geography

Jefferson County is located at 38°15'40"N 90°32'16"W (38.2610700, -90.5376900). It has 5 neighbors: Monroe County, Franklin County, Saint Francois County, Sainte Genevieve County and Washington County.

The largest city of Jefferson County is Arnold with a population of 21,091. Other cities include, Festus population 12,036, De Soto population 6,345, Pevely population 5,978 and Crystal City population 4,700. See all Jefferson County cities & populated places.

Weather

Jefferson County forecast: Mostly sunny, with a high near 91. South wind 5 to 8 mph. more

Jefferson County map

Jefferson County Quick Facts

Population : 225,081 (2019)
Country : United States of America
State : Missouri (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 Parish, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County
Area : 1720 km2
Water as percent of area : 1.2%
Land as percent of area : 98.8%
Named for : Thomas Jefferson
Capital : Hillsboro
Establishment : January 01, 1818
Time Zone : America/Chicago
Local time : 22:57:39 (24th June 2021)
Density : 131 Pop. per km² as of 2019
Population growth : 2.82% (2010-2019)
Weather : 91℉ Mostly Sunny 7-days weather

Jefferson County has 5 neighbours.

Demographics

The population of Jefferson County increased by 2.82% in 9 years.

Year Population % Change Method
2010 218,733 - census
2011 219,594 0.39% estimation process
2012 219,853 0.12% estimation process
2013 220,870 0.46% estimation process
2014 222,006 0.51% estimation process
2015 223,116 0.5% estimation process
2016 223,377 0.12% estimation process
2017 223,769 0.18% estimation process
2018 224,410 0.29% estimation process
2019 225,081 0.3% 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, Okrug DZeferson, Quan Jefferson, Quận Jefferson, jefason jun, jepharasana ka'unti, jie fu xun xian, mqatʿt jyfyrswn, shhrstan jfrswn myzwry, Джеферсън, Джефферсон, Округ Џеферсон, Ջեֆերսոն շրջան, جیفرسن کاؤنٹی، مسوری, جیفرسن کاؤنٹی،مسوری, شهرستان جفرسون، میزوری, 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 politician Samuel Byrns, politician Paul Wieland, you can see a list of people who born in Jefferson County.

Other places with the same name (24)

Jefferson County Populated Places

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

City Name Population Title
Arnold 21,091 City in Missouri
Festus 12,036 City in Missouri
De Soto 6,345 City in Jefferson County, Missouri
Pevely 5,978 City in Jefferson County, Missouri, United States
Crystal City 4,700 City in Jefferson County, Missouri, United States
Herculaneum 4,138 Roman town
Riverside 3,505 City in Platte County, Missouri, United States
Hillsboro 3,292 City in Missouri, United States
Byrnes Mill 3,002 City in Jefferson County, Missouri, United States
Olympian Village 752 City in Jefferson County, Missouri, United States
Cedar Hill Lakes 227 Village in Jefferson County, Missouri, United States
Scotsdale 216 Human settlement in Jefferson County, Missouri, United States of America
Parkdale 166 Human settlement in Jefferson County, Missouri, United States of America
Kimmswick 143 City in Jefferson County, Missouri, United States

Missouri Other Counties (more counties)

County Name Population Title
Missouri 6,137,428 State of the United States of America
Saint Louis County 994,205 County in Minnesota, United States
Jackson County 703,011 County in Oregon, United States
Kansas City 495,327 Largest municipality in the U.
Saint Charles County 402,022 County in Missouri, United States
St. Louis 315,685 City in Missouri, United States
Greene County 293,086 County in Tennessee, United States
Clay County 249,948 County in North Carolina, United States
Boone County 180,463 County in West Virginia, United States
Columbia 123,195 City in Missouri, United States
Jasper County 121,328 County in South Carolina, United States
Cass County 105,780 County in Missouri, United States
Platte County 104,418 County in Wyoming, United States
Franklin County 103,967 County in Missouri, United States
Lee's Summit 99,357 City in Missouri, United States
Castle Point 90,070 Census designated place in St.

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