Alamosa County, Colorado
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 17 listed properties in the county, first listed in 1989; 1 is also National Historic Landmark. Most listings are in or near Alamosa, Mosca, Hooper.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for Colorado is not yet loaded on this site. Browse Alamosa titles at the Library of Congress.
National Register of Historic Places
NPS NRHP6 of 17 listings mapped; some locations are restricted by NPS to protect sensitive sites.
17 listed properties
| Property | City | Listed |
|---|---|---|
| Alamosa County Courthouse | Alamosa | 1995 |
| Alamosa Post Office | Alamosa | 2009 |
| Alamosa Spanish Cemetery | Alamoosa | 2025 |
| American National Bank Building | Alamosa | 1999 |
| Denver and Rio Grande Railroad Depot | Alamosa | 1993 |
| Denver and Rio Grande Railroad Locomotive No.169 | Alamosa | 2001 |
| First Baptist Church | Alamosa | 2005 |
| Howard Store | Hooper | 2006 |
| Husung Hardware | Alamosa | 2000 |
| Medano Ranch Headquarters | Mosca | 2004 |
| Mt. Pleasant School | Alamosa | 2006 |
| Sacred Heart Catholic Church | Alamosa | 1998 |
| St. Thomas Episcopal Church | Alamosa | 2003 |
| Superintendent's Residence, Great Sand Dunes National Monument | Mosca | 1989 |
| Trujillo Homestead | MOsca | 2004 |
| Trujillo Homesteads NHL | Hooper | 2012 |
| Zapata Ranch Headquarters | Mosca | 1993 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBAlamosa was formed in 1913 (1913-03-08) from Conejos, Costilla.
ALAMOSA created from CONEJOS and COSTILLA.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusAlamosa County population from 1920 to 2020 (Census historical series).
| 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|
| 5,148 | 10,484 | 10,531 | 10,000 | 11,799 | 14,966 | 16,376 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
National Park Service sites nearby
NPSPark units within about 40 km of the county centroid (from NPS Public POIs; no API key).
| Site | Type | Dist. |
|---|---|---|
| Great Sand Dunes National Park and Preserve | Park unit | 31.4 km |
Source: NPS National Datasets / Public POIs. The NPS Developer API requires a free key and was not used.
Cemeteries & historical places
USGS GNIS6 cemeteries and 0 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 6 of 6 listed
| Name |
|---|
| Alamosa Municipal Cemetery |
| Alamosa Spanish Cemetery 1913 |
| Becker Cemetery |
| Pioneer Urraca Cemetery |
| Speiser Cemetery |
| Urraca Cemetery |
Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.
Historical markers
HMdb linkMarker text and photos from the Historical Marker Database (HMdb) are not embedded here. HMdb allows non-commercial reuse with attribution, but commercial/compensated use needs written permission; this is a commercial site, so we only link out.
Search HMdb for Alamosa County, Colorado
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