Bent County, Colorado Genealogy Records

Selected record inventories for Bent County, their listed years, and where to ask for access.

Selected inventory review: 2026-11-02. Selected collection metadata checked against repository catalog descriptions. This is not a complete holdings audit, examination of original records, or certification of current access. See the access note for limitations. Repository catalog or holdings guide

Formed
1870
County seat
Las Animas
Alamosa CountyBaca CountyChaffee CountyCheyenne CountyConejos CountyCostilla CountyCrowley CountyCuster CountyDouglas CountyEl Paso CountyElbert CountyFremont CountyGunnison CountyHuerfano CountyJefferson CountyKiowa CountyKit Carson CountyLake CountyLincoln CountyOtero CountyPark CountyProwers CountyRio Grande CountySaguache CountyTeller CountyLas Animas CountyPueblo CountyBent CountyAlamosaBacaChaffeeConejosCusterEl PasoFremontHuerfanoLincolnOteroParkProwersSaguacheLas AnimasPuebloBent
Bent CountyParent counties (search here for earlier records)Today's boundaries · U.S. Census Bureau

Listed record inventories

Selected holdings and indexes for Bent County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.

See the repository's descriptions and search options

Repository access note: Selected county and court series from the Colorado State Archives 2013 Finding Aids Quick Index. Only unambiguous dated rows marked Open in that historical index are included. That label does not certify current access. Confirm custody and restrictions with the Archives. Spans summarize separate storage units and may contain gaps.

Sources: the catalogs and repository descriptions linked on the entries above. Selected inventories do not establish complete coverage of every record type or online access to original documents. Read the repository access note for source dates and limitations.

Where to find the records

Offices change their hours and access rules; call before you visit.

Boundaries and parent counties

Formed from: Las Animas County, Pueblo County

Check the parent counties for earlier records: Las Animas County, Pueblo County

Later formed partly from Bent County: Cheyenne County, Kiowa County, Lincoln County, Otero County, Prowers County

Clear CreekSummitDouglasJeffersonParkArapahoeConejosEL PasoSaguacheHuerfanoCostillaFremontNon-County Area 2Non-County Area 1Cheyenne ReserveLakePuebloLas AnimasBentBentPuebloLas AnimasDouglasParkEL PasoSaguacheHuerfanoCostillaFremontCheyenne Reserve
Bent as created in 1870Where its land was the day beforeToday's boundaryBoundaries: Newberry Library, Atlas of Historical County Boundaries

Records stay with the county that created them. If your ancestor lived here before 1870, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.

Research tip

A 1907 law set up statewide registration of births and deaths in Colorado; the state's own records begin with deaths in 1900 and births in 1910. Before 1861 the area was part of Kansas, Nebraska, Utah and New Mexico territories, so an early settler's records can be in any of them.