Jefferson

Jefferson County is a county located in the U.S. state of . As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado.
Tap on a place
to explore it
  • Type: County with 583,000 residents
  • Description: county in Colorado, United States
  • Also known as: Jeffco”, “Jefferson County”, “Jefferson County, CO”, and “Jefferson County, Colorado

Places of Interest

Highlights include Berrian Mountain and Tiny Town.

Peak
is a mountain summit in the of the of . The 9,151-foot peak is located 0.9 miles north-northeast of the community of in Jefferson County, Colorado, United States.

Museum
& Railroad is a miniature village containing over 100 1/6 scale buildings and a 15 in gauge miniature railway close to .

School
is a secondary school in , an unincorporated town located in the foothills of Jefferson County, southwest of Denver, Colorado, United States.

Places in the Area

Nearby places include Evergreen and Aspen Park.

is an unincorporated community of about 9500 in the Denver Metropolitan Area of the U.S. state of . The residential suburb lies in the Front Range foothills west-southwest of in Jefferson County.

Locality
is an unincorporated community and a census-designated place located in Jefferson County, , . The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area.

Locality
is an unincorporated town, a , and a census-designated place located in and governed by Jefferson County, Colorado, United States.

Jefferson

Latitude
39.57° or 39° 34′ 12″ north
Longitude
-105.2562° or 105° 15′ 22″ west
Population
583,000
Elevation
7,379 feet (2,249 metres)
Open location code
85FPHP9V+XG
Open­Street­Map ID
node 316945045
Open­Street­Map feature
place=­county
Geo­Names ID
5426503
Wiki­data ID
Q127978
This page is based on OpenStreetMap, GeoNames, Wikidata, Wikimedia Commons, and Wikipedia.
We’d love your help improving our open data sources. Thank you for contributing.

Satellite Map

Discover Jefferson from above in high-definition satellite imagery.

In Other Languages

From Albanian to Western Panjabi—“Jefferson” goes by many names.
  • Albanian: Jefferson County
  • Arabic: مقاطعة جيفيرسون
  • Arabic: مقاطعه جيفيرسون، كولورادو
  • Armenian: Ջեֆերսոն շրջան
  • Basque: Jefferson konderria
  • Bavarian: Jefferson County, Colorado
  • Bavarian: Jefferson County
  • Belarusian: Джэферсан (акруга, Каларада)
  • Belarusian: Джэферсан
  • Bengali: জেফারসন কাউন্টি
  • Bishnupriya: জেফারশন কাউন্টি, কলোরাডো
  • Bishnupriya: জেফারশন কাউন্টি
  • Bulgarian: Джеферсън
  • Catalan: comtat de Jefferson
  • Cebuano: Jefferson County
  • Chechen: Джефферсон (гуо, Колорадо)
  • Chechen: Джефферсон
  • Chinese: Jefferson Kūn
  • Chinese: 傑佛遜郡
  • Chinese: 傑弗遜縣
  • Chinese: 傑斐遜縣
  • Chinese: 杰佛逊郡
  • Chinese: 杰斐逊县
  • Czech: Jefferson County
  • Czech: okres Jefferson
  • Dutch: Jefferson County
  • Egyptian Arabic: چيفيرسون كاونتى
  • Esperanto: Jefferson County
  • Esperanto: kantono Jefferson
  • Esperanto: Kantono Jefferson
  • Estonian: Jeffersoni maakond
  • Finnish: Jeffersonin piirikunta
  • French: comté de Jefferson
  • French: Comté de Jefferson
  • French: Jefferson County
  • German: Jefferson County
  • Gilaki: جفرسون ٚ شأرستان (کؤلؤرادؤ)
  • Gilaki: جفرسون ٚ شأرستان
  • Greek: Κομητεία Τζέφερσον
  • Hebrew: מחוז ג’פרסון
  • Hungarian: Jefferson megye
  • Irish: Contae Jefferson, Colorado
  • Irish: Contae Jefferson
  • Italian: contea di Jefferson
  • Italian: Contea di Jefferson
  • Italian: Jefferson County
  • Japanese: ジェファースン郡
  • Japanese: ジェファーソン郡
  • Japanese: ジェファスン郡
  • Japanese: ジェファソン郡
  • Korean: 제퍼슨군
  • Low German: Jefferson County
  • Marathi: जेफरसन काउंटी, कॉलोराडो
  • Marathi: जेफरसन काउंटी
  • Mazanderani: جفرسون شهرستان
  • Min Dong Chinese: Jefferson Gông
  • Min Nan Chinese: Jefferson Kūn
  • Northern Frisian: Jefferson County
  • Norwegian Bokmål: Jefferson County i Colorado
  • Norwegian Bokmål: Jefferson County
  • Norwegian: Jefferson County
  • Persian: شهرستان جفرسون، کلرادو
  • Persian: شهرستان جفرسون
  • Polish: Hrabstwo Jefferson
  • Portuguese: condado de Jefferson
  • Portuguese: Condado de Jefferson
  • Portuguese: Jefferson County
  • Romanian: Comitatul Jefferson, Colorado
  • Romanian: Comitatul Jefferson
  • Russian: Джефферсон
  • Sardinian: contea de Jefferson
  • Serbian: Округ Џеферсон
  • Serbo-Croatian: Jefferson County, Colorado
  • Serbo-Croatian: Jefferson County
  • Slovenian: Jefferson County
  • Slovenian: Okrožje Jefferson
  • Spanish: condado de Jefferson
  • Spanish: Condado de Jefferson
  • Spanish: Jefferson County
  • Swedish: Jefferson County, Colorado
  • Swedish: Jefferson County
  • Tatar: Джефферсон (округ, Колорадо)
  • Tatar: Джефферсон
  • Tumbuka: Jefferson County, Colorado
  • Tumbuka: Jefferson County
  • Turkish: Jefferson County, CO
  • Turkish: Jefferson County, Colo.
  • Turkish: Jefferson County, Colorado
  • Turkish: Jefferson County
  • Turkish: Jefferson ilçesi, CO
  • Turkish: Jefferson ilçesi, Colo.
  • Turkish: Jefferson ilçesi, Colorado
  • Turkish: Jefferson ilçesi
  • Ukrainian: Джефферсон
  • Urdu: جیفرسن کاؤنٹی، کولوراڈو
  • Urdu: جیفرسن کاؤنٹی
  • Venetian: contea de Jefferson
  • Vietnamese: Quận Jefferson, Colorado
  • Vietnamese: Quận Jefferson
  • Waray (Philippines): Condado han Jefferson, Colorado
  • Waray (Philippines): Condado han Jefferson
  • Welsh: Jefferson County, Colorado
  • Welsh: Jefferson County
  • Western Panjabi: جیفرسن کاؤنٹی، کولوراڈو
  • Western Panjabi: جیفرسن کاؤنٹی

Places with the Same Name

Discover other places named “Jefferson”.

Localities in the Area

Explore places such as Sky Village and Lone Pine Estates.

Notable Places Nearby

Highlights include Doublehead Mountain and Inter-Canyon Fire Protection District Station 3.

Colorado: Must-Visit Destinations

Delve into Denver, Colorado Springs, Boulder, and Aurora.

Curious Places to Discover

Uncover intriguing places from every corner of the globe.
About Mapcarta. Data © OpenStreetMap contributors and available under the Open Database License". Text is available under the CC BY-SA 4.0 license, except for photos, directions, and the map. Description text is based on the Wikipedia page “Jefferson”. Photo: Rick Kimpel, CC BY-SA 2.0.