Jefferson

Jefferson County is a county located in the southern part of the U.S. state of . According to the 2020 census, it has a population of 37,113. The county seat is .
Nyttend, Public domain.
  • County with about 37,100 residents
  • …lies at an elevation of around 480 feet (150 metres)
  • Description: county in Illinois, United States
  • Also known as
    “Jefferson County”
    “Jefferson County, IL”
    “Jefferson County, Illinois”

Places of Interest

Discover Cedarhurst Center for the Arts and Mt. Vernon Township High School.

Places in the Area

Nearby places include Mount Vernon and Bakerville.
is a city in Jefferson County, Illinois, United States, and its county seat.
Hamlet
is an unincorporated community in Jefferson County, , United States.
This page is based on…
We’d love your help improving our open data sources. Thank you for contributing.
Latitude
38.301° or 38° 18′ 4″ north
Longitude
-88.9344° or 88° 56′ 4″ west
Open location code
86CH8328+C6
Open­Street­Map ID
Open­Street­Map feature
place = county
Geo­Names ID
Wiki­data ID

Satellite Map

See this place from above in high-definition satellite imagery.

In Other Languages

From Albanian to Western Panjabi—“Jefferson” goes by many names.
Jefferson CountyAlbanian
مقاطعة جيفيرسونArabic
مقاطعه جيفيرسون، إلينويArabic
Ջեֆֆերսոն շրջանArmenian
condáu de JeffersonAsturian
Jefferson konderriaBasque
Jefferson CountyBavarian
Jefferson County, IllinoisBavarian
জেফারসন কাউন্টিBengali
জেফারশন কাউন্টিBishnupriya
জেফারশন কাউন্টি, ইলিনয়সBishnupriya
ДжеферсънBulgarian
comtat de JeffersonCatalan
Jefferson CountyCebuano
ДжефферсонChechen
Джефферсон (гуо, Иллинойс)Chechen
傑佛遜縣Chinese
傑佛遜郡Chinese
傑弗遜縣Chinese
傑弗遜郡Chinese
杰佛逊县Chinese
杰斐逊县Chinese
Jefferson CountyDutch
چيفيرسون كاونتىEgyptian Arabic
چيفيرسون كاونتى، ايلينوىEgyptian Arabic
Jefferson CountyEsperanto
Kantono JeffersonEsperanto
Jeffersoni maakondEstonian
Jeffersonin piirikuntaFinnish
ჯეფერსონის ოლქიGeorgian
جفرسون ٚ شأرستانGilaki
جفرسون ٚ شأرستان (ايلينؤی)Gilaki
Κομητεία ΤζέφερσονGreek
מחוז ג’פרסוןHebrew
Jefferson megyeHungarian
Contae JeffersonIrish
Contea di JeffersonItalian
Jefferson CountyItalian
ジェファースン・カウンティJapanese
ジェファースン郡Japanese
ジェファーソン・カウンティJapanese
ジェファーソン郡Japanese
ジェファスン・カウンティJapanese
ジェファソン・カウンティJapanese
ジェファソン郡Japanese
제퍼슨군Korean
Jefferson ComitatusLatin
Jefferson CountyLow German
جفرسون شهرستانMazanderani
جفرسون شهرستان (ایلینوی)Mazanderani
Jefferson GôngMin Dong Chinese
Jefferson KūnMin Nan Chinese
Jefferson CountyNorwegian
Jefferson CountyNorwegian Bokmål
Jefferson County i IllinoisNorwegian Bokmål
شهرستان جفرسونPersian
شهرستان جفرسون، ایلینویPersian
Hrabstwo JeffersonPolish
Comitatul JeffersonRomanian
Comitatul Jefferson, IllinoisRomanian
ДжефферсонRussian
contea de JeffersonSardinian
Jefferson CountyScottish Gaelic
Округ ЏеферсонSerbian
Jefferson CountySerbo-Croatian
Jefferson County, IllinoisSerbo-Croatian
Jefferson CountySwedish
Jefferson County, IllinoisSwedish
ДжефферсонTatar
Джефферсон (округ, Иллинойс)Tatar
Jefferson CountyTurkish
Jefferson County, ILTurkish
Jefferson County, Ill.Turkish
Jefferson County, IllinoisTurkish
Jefferson ilçesiTurkish
Jefferson ilçesi, ILTurkish
Jefferson ilçesi, Ill.Turkish
Jefferson ilçesi, IllinoisTurkish
ДжефферсонUkrainian
جیفرسن کاؤنٹیUrdu
جیفرسن کاؤنٹی، الینوائےUrdu
contea de JeffersonVenetian
Quận JeffersonVietnamese
Quận Jefferson, IllinoisVietnamese
Condado han JeffersonWaray (Philippines)
Condado han Jefferson, IllinoisWaray (Philippines)
Jefferson CountyWelsh
Jefferson County, IllinoisWelsh
جیفرسن کاؤنٹیWestern Panjabi
جیفرسن کاؤنٹی، الینوۓWestern Panjabi

Localities in the Area

“The world is so empty if we think of it only as mountains, rivers, and cities; but to know someone here and there who is in harmony with us… makes this earth an inhabited garden.”

Illinois: Highlights

Learn more about Chicago and Springfield.