Jefferson County, County in central Colorado, United States
Jefferson County encompasses 774 square miles of land along the Front Range of the Rocky Mountains, bordering the Denver metropolitan area.
The county was established in November 1861, taking its name from the Jefferson Territory and selecting Golden as its administrative center.
The Colorado School of Mines in Golden educates students in engineering and applied sciences, contributing to technological advancement in the region.
Interstate 70 runs through Jefferson County, connecting residents and travelers to Denver International Airport and mountain recreational destinations.
The county maintains extensive parks and open spaces, including Bear Creek Lake Park and Elk Meadow Park for outdoor recreation.
Location: Colorado
Inception: 1861
Capital city: Golden
Shares border with: Boulder County, Broomfield County, Adams County, Denver County, Arapahoe County, Douglas County, Teller County, Park County, Clear Creek County, Gilpin County
Website: http://jeffco.us
GPS coordinates: 39.59000,-105.25000
Latest update: May 28, 2025 18:18
Rocky Flats Plant
33.6 km
Lakeside Amusement Park
26.6 km
Red Rocks Park
8.7 km
Sculptured House
12.5 km
Dinosaur Ridge
10.7 km
Lookout Mountain
15.5 km
Chatfield State Park
16.4 km
Roxborough State Park
22.6 km
Heritage Square
14 km
Chatfield Reservoir
16.6 km
Avoca Lodge
16.9 km
Colorado Railroad Museum
20.8 km
Staunton State Park
15.3 km
Rocky Flats National Wildlife Refuge
33.5 km
Devil's Head Lookout
38.9 km
North Table Mountain
22.8 km
Golden High School
18.8 km
South Table Mountain
18.7 km
Frightmare Compound
36.6 km
Devils Head
38.9 km
Genesee Park
14.9 km
Lookout Mountain Park
15.9 km
Green Mountain
13.8 km
Two Ponds National Wildlife Refuge
30.5 km
Butterfly Pavilion
36.6 km
Cyclone
27.1 km
Camp George West Historic District
17.6 km
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