Modoc County, California
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 18 listed properties in the county, first listed in 1974; 1 is also National Historic Landmark. Most listings are in or near Canby, Alturas, Likely.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for California is not yet loaded on this site. Browse Modoc titles at the Library of Congress.
National Register of Historic Places
NPS NRHP5 of 18 listings mapped; some locations are restricted by NPS to protect sensitive sites.
18 listed properties
| Property | City | Listed |
|---|---|---|
| Adin Supply Company | Adin | 1997 |
| Anklin Village Archeological Site | Canby | 1976 |
| Black Cow Spring | Canby | 1974 |
| Core Site | Canby | 1974 |
| Cuppy Cave | Canby | 1974 |
| Fern Cave Archeological Site | Tule Lake | 1975 |
| Jess Valley Schoolhouse | Likely | 1999 |
| Lava Beds National Monument Archeological District | Tulelake | 1991 |
| Mildred Ann Archeological Site | Canby | 1976 |
| NCO Railway Depot | Alturas | 1985 |
| Nelson Springs | Likely | 2002 |
| Nevada-California-Oregon Railway Co. General Office Building | Alturas | 1974 |
| Petroglyph Point Archeological Site | Tulelake | 1975 |
| Sacred Heart Catholic Church | Alturas | 1983 |
| Seven Mile Flat Site | Devil's Garden Ranger District | 1974 |
| Skull Ridge | Canby | 1974 |
| Skull Spring | Canby | 1974 |
| Tule Lake Segregation Center NHL | Newell | 2006 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBModoc was formed in 1874 (1874-02-17) from Siskiyou.
MODOC created from SISKIYOU.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusModoc County population from 1880 to 2020 (Census historical series).
| 1880 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|
| 4,399 | 5,076 | 5,425 | 8,713 | 9,678 | 8,308 | 8,610 | 9,449 | 8,700 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS16 cemeteries and 5 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 16 of 16 listed
| Name |
|---|
| Adin Cemetery |
| Adin Pioneer Cemetery |
| Alturas Cemetery |
| Canby Cemetery |
| Cedarville Cemetery |
| Davis Creek Cemetery |
| Day Cemetery |
| Eagleville Cemetery |
| Fort Bidwell Cemetery |
| Indian Cemetery |
| Indian Cemetery |
| Indian Cemetery |
| Lake City Cemetery |
| Likely Cemetery |
| Lookout Cemetery |
| Willow Ranch Cemetery |
Historical populated places — 5 of 5
| Name |
|---|
| Bayley |
| Fletcher |
| Hollenbeck |
| Paola |
| Suty |
Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.
Historical markers
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Search HMdb for Modoc County, California
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