Adams County, Colorado Genealogy

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This article is about a northeast Colorado county. For other uses, see Adams.

United StatesGotoarrow.pngColoradoGotoarrow.pngAdams County

Hand and keyboard.jpg Colorado
Online Records

Adams County, Colorado
Map of the U.S. highlighting Colorado
Location of Colorado in the U.S.
Founded April 15, 1901
County Seat Brighton
Address Adams County Courthouse
450 S 4th Avenue
Brighton, CO 80901-3196
Phone 303.654.6020
Adams County Website

County Courthouse

Adams County Courthouse
450 S 4th Avenue
Brighton, CO 80901-3196
Phone 303.654.6020

County Clerk has marriage and land records from 1902,
some burial records, some land records from Arapahoe
County prior to 1901, school census 1902-1964 and military
discharge records, 17th Judicial District Court Clerk has divorce records;
Probate Court has probate records; Hall of Justice has court records [1]

Quick Facts

Parent County

15 April 1901: Adams County was created from Arapahoe County. County seat: Brighton [2]

Boundary Changes

Record Loss

Places / Localities

Populated Places

Aurora (city)
Bennett (town)
Brighton (city)
Commerce City (city)
Federal Heights (city)
Northglenn (city)
Thornton (city)
Westminster (city

Neighboring Counties


Archives and Libraries

Adams County ARCHIVES

Aurora Family History Center

950 Laredo St
Aurora, CO 80011
Brighton Family History Center

1454 Myrtle
Brighton, CO 80601

Colorado Vital Records Search


Belleview Cemetery, Westminister BillionGraves
Bennett Cemetery
Black Cemetery
Eastlawn Memorial Gardens
Elmwood Cemetery
Fairview Cemetery
Highland Memorial Gardens
Mount Nebo Cemetery
Riverside Cemetery, Commerce City BillionGraves
Rose Hill Cemetery
Wesley Chapel Cemetery
Woolsey Cemetery


For tips on accessing Adams County, Colorado Genealogy census records online, see: Colorado Census.



Adams County Old Age Pension Records 1933 - 1936. An Index compiled from the offical record of the applications granted by the Adams County Commissioners during these years. Record may show the following:

  • Name of Applicant
  • Date and Amount of pension payment
  • Any adjustments to the pension
  • Person's age
  • Town nearest to where they lived
  • Other Actions done by the County


The Colorado State Archives has put a name only Index to the Adams County Divorce Records for the period 1904-1913 on-line. 


Local Histories

Ancestry and Family History


Ancestry maps - Top cities by ethnic group

Historic maps of CO cities - Library of Congress
Historic maps of Colorado

Adams County Maps  Adams County, Colorado


American Battle Monuments Commission - Overseas cemeteries
Civil War Soldiers & Sailors database
Military records - National Archives
Nationwide grave locator - U.S. Dept. of Veterans Affairs
Search military records (historic)


Aurora Sentinel


School Records

Colorado State Archives has put an index of the Adams County teachers who were approved to teach in the county by the County Superintendent of Schools for the years 1913-1935 on-line. This list shows their name and may include the date, type of teaching certificate they possess and the town of residence.


Colorado State Archives has put the Adams County Inheritance Tax Record Index for the years 1929-1943 on-line. Read more.

Vital Records

Colorado Vital Records Search

Societies, Libraries and Museums

Rangeview Library District
11658 N. Huron
Northglenn, CO 80234
Phone: (303) 288-2001

Westminster Public Library
3705 W. 112th Ave
Westminster, CO 80031
Phone: (303) 404-5555

Brighton Genealogy Society
343 S. 21st Street
Brighton, CO 80601-2525

Adams County Historical Society
9601 Henderson Rd.
Brighton, CO 80601
Telephone 303-659-7103

Family History Centers

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Adams County, Colorado. Page 97At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).