Denver County, Colorado Genealogy

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United States
Denver County

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

County Facts
County seat: Denver
Organized: March 18, 1901
Parent County(s): Arapahoe [1]
Neighboring Counties
Adams  • Arapahoe  • Jefferson
See County Maps
Location Map
Colorado Denver County.png
This page is available for adoption

County Information


County Courthouse

Denver County Courthouse
1437 Bannock Street Ste 200
Denver, CO 80202
Phone: 303-630-3012
Denver County Website

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.[2]

Clerk and Recorder's Office
City and County Building
1437 Bannock Street, Rm 391
Denver, CO 80202
Phone: (720) 865-8400

City of Denver Vital Records
605 Bannock Street, Rm 302
Denver, CO 80204
Phone: (303) 436-7351

Denver County, Colorado Record Dates

Beginning Dates for Major County Records
Birth* Marriage Death* Court Land Probate Census
1872-1907 [3]*
1860[4] *
1887 -1907[4]*
1902 [4]
1902 [4]
*For earlier dates, try... Church | Obituaries | Cemeteries

Record Loss

There is no known history of courthouse disasters in this county.

Boundary Changes

  • Parent County: Denver County was created 18 March 1901 from Arapahoe County.
  • Denver County has annexed territory from Arapahoe, Adams and Jefferson Counties on several occasions.
  • County seat: Denver[1]

Populated Places

The following location is in Denver county[5]. Denver, officially the City and County of Denver, is the capital and most populous municipality of the U.S. state of Colorado, and the only populated place in Denver County.


History Timeline


Bible Records


Business, Commerce, and Occupations


Cemeteries of Denver County, Colorado online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See Colorado Cemeteries for more information

The William P. Horan Burial Records online index for Denver area burials from 1900 to 1956 can be accessed here.

Census Records

Historical populations
Census Pop.  %±
1860 4,749
1870 4,759 0.2%
1880 35,629 648.7%
1890 106,713 199.5%
1900 133,859 25.4%
1910 213,381 59.4%
1920 256,491 20.2%
1930 287,861 12.2%
1940 322,412 12.0%
1950 415,765 29.0%
1960 493,887 18.8%
1970 514,678 4.2%
1980 492,686 −4.3%
1990 467,610 −5.1%
2000 554,636 18.6%
2010 600,158 8.2%
Source: "".

Insert non-formatted text hereFor tips on accessing Denver County, Colorado Genealogy census records online, see: Colorado Census.

  • 1860-1940 Colorado Census Records from 1860 to 1940 at — index/images

Church Records

Church records vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Colorado denominations, view the Colorado Church Records wiki page.


  • Records of Trinity Lutheran Church, Denver, in Evangelical Lutheran Church in America database at ($).

Court Records

Numerous records are available at Colorado Archives. To use this link scroll down the page to where it asks for Record Type. Click there and scroll down the list to the records you want and select. The next field asks for county. Select the county you want and then click on Search. You can narrow the search by adding the additional information it asks for.

1933-1936 Numerous records are available at Colorado Archives. 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.

Emigration and Immigration

Ethnic, Political, and Religious Groups

Funeral Homes



Land and Property Records

Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Colorado Land and Property for additional information about early Colorado land grants.

After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse, where current records are also housed.

Online Land Records

For more information see Colorado Land and Property

Local Histories

Local histories are available for Denver County, Colorado Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Colorado Local Histories.

Maps and Gazetteers



Military Records

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

Naturalization and Citizenship

Online Records


Colorado Newspapers Online

Colorado Newspaper Catalogs

  • U.S. Newspaper Directory, 1690-Present on Chronicling America - contains a list of all known newspapers and the dates they cover; once you locate a newspaper name, contact the local library to see if they have copies of the newspaper

For more information see Colorado Newspapers.


Other Records


Probate Records

Probate records have been kept by the county courts. Colorado probate records include bonds, affidavits, letters, claims, appraisals, fee accounts, minutes, judgments, dockets, calendars, case files, and wills. The Family History Library does not have copies of probate records from Colorado.

You may obtain copies of documents from the clerk's office in the county courthouse.

Online Records

School Records

Tax Records

Colorado tax records complement land records and can be used as supplements to censuses. There may be gaps of several years in the records. To find tax records in the FamilySearch Catalog, do a Place Search for the county.

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

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. A copy or an extract of most original records can be purchased from the Vital Records Section Colorado Department of Public Health and Environment or the County Clerk's office of the county where the event occurred.

For some online statewide indexes, see the FamilySearch Historical Record Collections for Colorado.

Colorado Vital Records Search


Birth records may become public records when 100 years have elapsed after the date of birth. EXCEPTION: The birth record of any individual who is known to be currently alive will remain confidential even if they are 100 years of age or greater. [6]


1858-1939 The Colorado Genealogical Society and the Denver Library have compiled a free Marriage Index in a scanned PDF format listing 456,000+ marriages conducted between 1858 and1939, cross listing the names of both bride and groom, with the date and place of marriage and the license number. Accessible free online at: Colorado Marriages

Online Records


Death records may become public records when 75 years have elapsed after the date of death. [6]


All divorces and divorce records are handled by the Denver County Courts, Colorado Judicial District 2. Please contact their office directly at 720-865-8301.

Online Records

Research Facilities


The Colorado State Archives has the following records available for Denver County, Colorado Genealogy in this online database Archives Search. For a full list of online holdings, click here.
1880-1939 Divorce Index
1883-1900 Mine Accidents, Non - fatal
1897-1920 Horseshoers
1936-1942 Civilian Conservation Corps Enrollments
1966-1968 Vietnam Deaths

1862-1917 Denver Lot and Block Index
1870-1909 Denver Death Index
1875-1909 Denver Birth Index
1909-1912 Denver Inheritance Tax
1914-1917 Denver War Risk Insurance Applications
1933-1936 Denver Old Age Pension

Family History Centers

Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes.


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



Denver, South Park & Pacific Historical Society
PO Box 26
Buena Vista, CO 81211-0026

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

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

Colorado Society of Hispanic Genealogy
2300 South Patton Court
Denver, CO 80219-5212

Genealogical Society Of Hispanic America
PO Box 3040
Pueblo, CO 81005-3040


Research Guides


  1. 1.0 1.1 The Handybook for Genealogists: United States of America,10th ed. (Draper, UT: Everton Publishers, 2002).
  2. 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.
  3. Earliest Colorado Vital Records on File in Colorado Counties, pub. by Colorado Department of Public Health and Environment, accessed on
  4. 4.0 4.1 4.2 4.3 The Red Book, American State, County, and Town Sources. Edited by Alice Eichholz. (Ancestry, Provo; 3d ed, 2004.) Colorado article by Birdie Monk Holzclaw and Marsha Hoffman Rising. page 92.
  5. Wikipedia contributors, "Denver County, Colorado," in Wikipedia: the Free Encyclopedia,, accessed May 16, 2017.
  6. 6.0 6.1 Letter from Colorado State Registrar, Dated September 1, 2011. Policy Number 2011- 08.