Arapahoe County, Colorado GenealogyEdit This Page

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United StatesGotoarrow.pngColoradoGotoarrow.pngArapahoe County

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

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Online Records

Arapahoe County, Colorado
Map of Colorado highlighting Arapahoe County
Location in the state of Colorado
Map of the U.S. highlighting Colorado
Location of Colorado in the U.S.
Founded November 1, 1861
County Seat Littleton
Address Araphaoe – Arapahoe County Courthouse
5334 S Prince Street
Littleton, CO 80166-0001
Phone: 303.795.4200
Arapahoe County Website


County Courthouse

First formed in 1855 as Territorial County. See Kansas 1860 for census records.
County Clerk has marriage and land records from 1902 burial records to 1941; County Court has divorce, probate and court records[1]

Historical Facts

Beginning dates for major county records

*For earlier dates, try... Church | Obituaries | Cemeteries

County Seat

Littleton [2]

Parent County

1855: Arapahoe County was created as an original county in Kansas Territory.
1 November 1861: Arapahoe County was created as an original county in Colorado Territory.

Neighboring Counties

Record Loss


Bible Records


Business Records and Commerce



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

The Colorado Genealogical Society's 1885 Colorado State Census - Arapahoe County    PDF File with every name indexed

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.

LDS Ward and Branch Records

  • Englewood

Court Records

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


Emigration and Immigration

Ethnic, Political, or Religious Groups




Local History

Local histories are available for Arapahoe 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.

  • Biographies of Prominent Families of Littleton, Arapahoe, Colorado.

Land and Property

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.



Naturalization and Citizenship


Online Newspapers

Additional newspapers abstracts can sometimes be found using search phrases such as Arapahoe County, Colorado Genealogy newspapers in online catalogs like:



Poor Records

Colorado State Archives has put an Index to the Arapahoe County Poor Hospital Records for 1895-1899 on-line.


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.

Colorado State Archives web site has Arapahoe county Probate cases 1902-1937.

Public Records

School Records
Voting Registers

Arapahoe County Voter Registrations index (1893-1905) is one of many On-Line Indexes of the Colorado State Archives.


Family History Centers


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 Catalog/frameset_fhlc.asp Place Search for the county.


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 Seach





  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Alraphoe 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).
  3. Colorado Online Historical Newspapers,, accessed 19 July 2013.


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