Jefferson County, Colorado Genealogy

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United States  > Colorado > Jefferson County

County Courthouse

Jefferson County, commonly referred to the Gateway of the Rockies, is the fourth most populated county in Colorado.  The county runs along the west side of the Denver Metro area along the front range.  The county website can be found at


An excellent chronological history is found in the archives section of the county website

Parent County

1861--Jefferson County was created 1 November 1861 as an original county. County seat: Golden [1]

Boundary Changes

Record Loss

Places / Localities

Populated Places

Neighboring Counties



Arvada Cemetery
5581 Independence Street
Arvada, CO 80002-2973
(303) 422-5424

Evergreen Memorial Park

26624 N. Turkey Creek Rd.
Evergreen, Colorado 80439

Golden Cemetery
755 Ulysses St.
Golden, CO 80401

Mailing Address:
Golden Cemetery
755 Ulysses St.
Golden, CO 80401

(303) 279-1435

Golden Hill Cemetery (Jewish)

12000 West Colfax Avenue
Lakewood, CO 80215-3717
(303) 237-0573

Mount Olivet Cemetery
12801 W. 44th Avenue
Wheat Ridge, Colorado 80033

Olinger Crown Hill Mortuary & Cemetery
7777 West 29th Avenue, Wheat Ridge, CO 80033 303-233-4611

Olinger Mt Lindo Cemetery

5928 South Turkey Creek Road
Morrison, CO 80465-9501 - (303) 697-2011

Other private and public cemeteries


Census Year     Population
1870                 2,390
1880                 6,804
1890                 8,450
1900                 9,360

1910                14,231

1920                14,400

1930                 21,810

1940                30,725

1950                55,687

1960              127,520

1970              235,368

1980              371,753

1990              438,430

2000              527,156

Source:  Jefferson County Archives




Local Histories






Colorado State Archives has put the Jefferson County Inheritance Tax Records Index for 1913-1945 on-line

Vital Records

Colorado Vital Records Search

Societies and Libraries

Jefferson County Public Library
10200 W 20th Ave
Lakewood, CO 80215
Phone: (303) 235-5275

Jefferson County Historical Societies
For a listing of currently known Historical Societies in the County see

Foothills Genealogical Society of Colorado, Inc.
P.O. Box 150382
Lakewood, CO 80215-0382
Telephone: 303-935-9192

Golden Landmarks Association
14th & Washington St.
P.O. Box 1136
Golden, Colorado 80402-1136
Telephone: 303-279-1236

The Church of Jesus Christ of Latter-Day Saints Family History Center

Arvada Colorado
7080 Independence St
Arvada, Jefferson, Colorado, United States
Phone: 303-421-0920
Hours: TUES:10:00 AM to 7:00 PM ;THURS: 10:00 AM to 7:00 PM; SAT: 10:00 AM to 2:00 PM

Columbine Colorado
6705 S Webster St
Littleton, Jefferson, Colorado, United States
Phone: 303-973-3727
Hours: T 11:30am-4pm, 7pm-9pm; W 12:00pm-2:30pm, 7pm-9pm; Th 10am-3pm; Sat 9am-12pm.
Closed: August each year and all major holidays

Golden Colorado
610 Coors St
Golden, Jefferson, Colorado, United States
Phone: 303-233-6304
Hours: 1st, 2nd, & 3rd Tue. 6pm-8pm; Wed. 12pm-4pm;Thurs.12:00pm-4:00pm & 4:00pm-8pm: Sat 9am-1pm
Closed: Saturday 3 April 2010, Saturday 2 Oct 2010, Sunday 21 November 2010 through Monday 3 Jan 2011
Attention: Please call during the scheduled shift, if no one answers the phone, the center is closed. Please enter through the north doors.

Lakewood Colorado
6465 W Jewell Ave
Lakewood, Jefferson, Colorado, United States
Phone: 303-935-3003
Hours: T 9am-9pm; Th 1pm-9pm; Sat 9am-1pm.
Closed: Closed the last two weeks of December.
Note: These are not mailing addresses. Due to limited staff, Family History Centers are unable to respond to mail inquiries.

Web Sites


  1. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).