Denver County, Colorado GenealogyEdit This Page

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United StatesGotoarrow.pngColoradoGotoarrow.pngDenver County

Guide to Denver County Colorado genealogy. Birth records, marriage records, death records, census records, family history, and military records.

Hand and keyboard.jpg Colorado
Online Records

Denver County, Colorado
Map of Colorado highlighting Denver County
Location in the state of Colorado
Map of the U.S. highlighting Colorado
Location of Colorado in the U.S.
Founded March 18, 1901
County Seat Denver
Address Denver County Courthouse
1437 Bannock Street Ste 200
Denver, CO 80202
Phone: 303-630-3012
Denver County Website


County Courthouse

Denver County has annexed territory from Arapahoe, Adams and Jefferson Counties on several occasions.  The county clerk has marriage records from 1902 and land records from 1859. 
The clerk of the district court has divorce records from 1967, probate and court records from 1858.[1]


Parent County

  • 1901--Denver County was created 18 March 1901 from Arapahoe County. County seat: Denver [2]

Boundary Changes

Record Loss

Places / Localities

Populated Places

Neighboring Counties




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



Denver County Old Age Pension Records 1933-1936. An Index compiled from the offical record of the applications granted by the Denver 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

Directories ($) has Denver City Directories 1862, 1866, and 1871-1923 (only 2 yrs. missing) available online. Fold3 is free at some libraries.


Local Histories



Colorado State Archives has put the Denver War Risk Insurance Applicants Index for the years 1916-1919 on-line.




Colorado State Archives has put the Denver County Inheritance Tax Records Index for the years 1909-1912 on-line.

Vital Records

Colorado Vital Records Search

Societies and Libraries

Denver Public Library
10 W 14th Avenue
Parkway Denver, CO 80204
Telephone: 720-865-1111

Swedish Genealogical Society of Colorado
PO Box 746255
Arvada, CO 80006

WISE Family History Society (Wales, Ireland, Scotland, England)
P.O. Box 40658
Denver, CO 80204-0658

Genealogical Society Of Hispanic America
P.O. Box 3040
Denver 81005-3040

Family History Centers

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Denver County, Colorado. Page 98 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).


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