County Past
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Trinity County, California

Historic newspapers, landmarks, and county history layers for genealogists and local historians.

—newspaper titles
—digitized titles
4historic places
—earliest paper
1850formed
16,112pop. 2020
11cemeteries
—CW battlefields

At a glance

Summary

The National Register of Historic Places includes 4 listed properties in the county, first listed in 1971. Most listings are in or near Trinity Center, Helena, Lewiston.

Summary generated automatically from the source data on this page.

Newspapers

Library of Congress

Newspaper directory data for California is not yet loaded on this site. Browse Trinity titles at the Library of Congress.

National Register of Historic Places

NPS NRHP

1 of 4 listings mapped; some locations are restricted by NPS to protect sensitive sites.

4 listed properties
PropertyCityTypeListed
Bowerman BarnTrinity CenterBuilding1981
Helena Historic DistrictHelenaDistrict1984
Lewiston Historic DistrictLewistonDistrict1989
Weaverville Historic DistrictWeavervilleDistrict1971

Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.

County formation

Newberry AHCB

Trinity was formed in 1850 (1850-02-18) from unknown / original county.

TRINITY created from non-county area; TRINITY not fully organized, attached to SHASTA for judicial and other purposes.

Source: Newberry Library, Atlas of Historical County Boundaries.

Population by decade

Census

Trinity County population from 1850 to 2020 (Census historical series).

16k8,8731,6351850188019201940196020002020
18501860188019001920194019501960198020002020
1,6355,1254,9994,3832,5513,9705,0879,70611,85813,02216,112

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

NPS

Park units within about 40 km of the county centroid (from NPS Public POIs; no API key).

SiteTypeDist.
Whiskeytown National Recreation AreaPark unit44.9 km

Source: NPS National Datasets / Public POIs. The NPS Developer API requires a free key and was not used.

Cemeteries & historical places

USGS GNIS

11 cemeteries and 5 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.

Cemeteries — 11 of 11 listed
NameLatLon
Hayfork Cemetery40.54577-123.17999
Helena Cemetery40.7719-123.12518
Hyampom Cemetery40.13864-123.44417
Hyampom Cemetery40.61486-123.44377
Lewiston Cemetery40.70907-122.81465
Lewiston Pioneer Cemetery40.70585-122.80775
Norgaar Family Cemetery40.37255-123.32178
Price Creek Cemetery40.73431-123.2555
Ridgeville Cemetery40.86194-122.80336
Salyer Cemetery40.8963-123.58442
Weaverville Cemetery40.73059-122.94481
Historical populated places — 5 of 5
NameLatLon
Bragdon40.89042-122.69947
Keno40.7582-122.71585
Minersville40.85126-122.78308
Norgaar40.4157-123.40809
Stringtown41.04126-122.70224

Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.

Historical markers

HMdb link

Marker 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 Trinity County, California

Terms: hmdb.org/copyright.asp. Linking is encouraged by HMdb.