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History · Greenhorn

Greenhorn’s history is
mostly unwritten

The public archives hold no old photos of Greenhorn. The rest are in attics, shoeboxes and the historical society. Help start the collection.

0old images & papers
0recent photos

The story so far

from Wikipedia & the U.S. Census

Greenhorn is a census-designated place (CDP) in Plumas County, California, United States. The population was 247 at the 2020 census, up from 236 at the 2010 census.

Between the 2010 and 2020 censuses its population grew from 236 to 247 (+5%). Half of its homes were built before 1987.

Wikipedia doesn’t have a history of Greenhorn yet — the old photos, dates and memories neighbors add here are how it gets written.

Intro from Wikipedia, licensed CC BY-SA 4.0. Population and housing: U.S. Census Bureau.

Be one of the first

Start Greenhorn’s collection

The first neighbors to add old photos shape how Greenhorn’s history is told.

0 of 10 decades since 1900 have photos 📦Share a family photoSign in to add one+10
Famous people from GreenhornWriters, athletes, leaders and more who were born in Greenhorn.Meet them →
By decade

Greenhorn, decade by decade

Before
2000
No old photos in the archives yetWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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National Register of Historic Places

Nothing in Greenhorn is on the National Register yet

That’s true of most small towns. It doesn’t mean Greenhorn has no history, only that no one has written up a nomination. The closest listed place is Plumas-Eureka Mill, Jamison Mines District in Johnsville, 10.8 miles away.

Greenhorn and the nearest listed places

Dashed line = Greenhorn. Tap a dot.
Plumas-Eureka Mill, Jamison Mines DistrictHospital BridgeHansen BridgeDurgan BridgeJersey BridgeSierra County Sheriff's Gallows

Closest to Greenhorn

Plumas-Eureka Mill, Jamison Mines DistrictJohnsville · District10.8miHospital BridgeDownieville · Structure23.3miHansen BridgeDownieville · Built 193523.7miDurgan BridgeDownieville · Structure24miJersey BridgeDownieville · Structure24mi

How a place gets listed

1Talk to the stateEvery nomination goes through the State Historic Preservation Office. Owners, towns and historical societies can start one.
2Try a local or state list firstMany states keep their own register with a shorter form, a common first step for old barns, halls and schoolhouses.
3Write it upA nomination covers the history, photos and a map. Plumas-Eureka Mill, Jamison Mines District’s page links to a real one.
Know an old place in Greenhorn?A mill, a schoolhouse, a cellar hole, a church: add a photo of it to Greenhorn’s story, or a memory of it.
📷 Add a photo of an old place
National Park Service, National Register of Historic Places · photos from Wikimedia Commons

Then & now

When neighbors add old photos, retakes from the same spot appear here side by side.

Stories next door

nearby towns’ history
📜 Portola📜 Loyalton📜 Susanville📜 Paradise
The door’s open

Where to, neighbor?

You’re in Greenhorn, CAView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01
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