Jefferson County has a history rich in people, events and progress. Explore the park and recreation districts, arts and music, museums and attractions that Jefferson County has to offer.

Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, [1] making it the fourth-most populous county in Colorado. The county seat is Golden, [2] and the most populous city is Lakewood. Jefferson County is included in the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area.

Here you will find a list of departments, divisions and elected offices for Jefferson County with a brief description of each department responsibilities and services.

303-271-6511. 100 Jefferson County Parkway Golden, CO 80419 United States. Alerts. Emergency Response Guide; Emergency Management

Jefferson County, aka JeffCo, is located along the Front Range of the Rocky Mountains, adjacent to Denver. As of 2020, the population was 582,910, making Jefferson one of the most populous counties in Colorado. The county seat is Golden, and the most populous city is Lakewood.

Jefferson County, commonly referred to as “Jeffco,” is named after former president Thomas Jefferson and covers 774 square miles in central Colorado west of Denver.

Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county...

There are 34 Judicial Officers in the First Judicial District which includes 14 District Court Judges, 10 County Court Judges and 10 Magistrates. Jefferson County is the fourth most populous of the 64 counties in the State of Colorado.

303-271-6511. Address. 100 Jefferson County Parkway Golden, CO 80419 United States

Jefferson County (Jeffco) is a county in the state of Colorado in the United States. As of the 2020 census, 582,910 people lived there, [1] making it the fourth-most populous county in Colorado. The county seat is Golden, and the most populous city is Lakewood.