Costilla County, Colorado
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 14 listed properties in the county, first listed in 1970. Most listings are in or near San Luis, San Francisco, Los Fuertes.
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 Costilla titles at the Library of Congress.
National Register of Historic Places
NPS NRHP9 of 14 listings mapped; some locations are restricted by NPS to protect sensitive sites.
14 listed properties
| Property | City | Listed |
|---|---|---|
| "Sierras y Colores" Mural | San Luis | 2023 |
| Capilla de San Isidro | Los Fuertes | 2013 |
| Capilla de Viejo San Acacio | Viejo San Acacio | 2012 |
| Chama Sociedad Proteccion Mutua de Trabajadores Unidos (SPMDTU) Lodge Hall | Chama | 2018 |
| Fort Garland | Fort Garland | 1970 |
| Iglesia de San Francisco de Assisi | San Francisco | 2012 |
| Iglesia de San Pedro y San Pablo | San Pedro | 2012 |
| Iglesia de la Inmaculada Concepcion | Charma | 2012 |
| Las Feminilas Concilio #6 | San Francisco | 2025 |
| Plaza de San Luis de la Culebra | San Luis | 1978 |
| Rito Seco Creek Culvert | San Luis | 2002 |
| Salazar, A.A., House | San Luis | 1998 |
| San Luis Bridge | San Luis | 1985 |
| San Luis Southern Railway Trestle | Blanca | 2004 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBCostilla was formed in 1861 (1861-11-01) from unknown / original county.
COSTILLA created by Colorado Territory from non-county area.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusCostilla County population from 1870 to 2020 (Census historical series).
| 1870 | 1880 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|---|
| 1,779 | 2,879 | 4,632 | 5,032 | 7,533 | 6,067 | 4,219 | 3,071 | 3,663 | 3,499 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS8 cemeteries and 1 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 8 of 8 listed
| Name |
|---|
| Brennaman Cemetery |
| Chama Cemetery |
| Fort Garland Cemetery |
| Jaroso Cemetery |
| Mac Mullan Cemetery |
| Myer Cemetery |
| Old Town Cemetery |
| San Pedro Cemetery |
Historical populated places — 1 of 1
| Name |
|---|
| Garland City |
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 Costilla County, Colorado
Terms: hmdb.org/copyright.asp. Linking is encouraged by HMdb.