Guest, Sign inJoin

Post to Cayuse

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
–Not graded
History · Cayuse

Cayuse’s post office opened in 1867

Most of Cayuse was built recently: 0.0% of its homes predate 1940 and the median home dates from 1993. Below: maps from 1935 on.

1867first post office
0on the National Register
0.0%homes built before 1940
Add an old photoShare a memory
Quick answers

How Cayuse began

When was Cayuse founded?

1867

The Cayuse post office opened in 1867, the earliest record of the town by name.

2020 census: 66159 years
Founding year: the first Cayuse post office (Blevins & Helbock, CC0).

What stands out about Cayuse’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Cayuse are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Cayuse’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
The story so far

Cayuse, in brief

Wikipedia doesn’t have a history of Cayuse yet. The photos, dates and memories neighbors add here are how it gets written.

Cayuse is a census-designated place (CDP) and unincorporated community in Umatilla County, Oregon, United States, located 11 miles (18 km) east of Pendleton on the Umatilla Indian Reservation. As of the 2020 census, Cayuse had a population of 66. It is part of the Pendleton–Hermiston Micropolitan Statistical Area. Served by a railroad station and post office, the area was named for the Cayuse people. The post office was established in 1867 and discontinued in 2002.

Its first post office opened in 1867. Between the 2010 and 2020 censuses its population fell from 68 to 66 (-3%).

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
Add from your album
On the map

Cayuse on the map, 1935 to 1983

Every edition of the U.S. Geological Survey’s map of Cayuse. Tap a year, or press play to watch the town change.

Cayuse on the 1935 USGS mapCayuse on the 1966 USGS mapCayuse on the 1983 USGS map1935Pendleton sheet · 1:125,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Cayuse.

Places that used to be

Places now gone

Cayuse’s post office has been open since 1867.

Gone or out of use
Cayuse Post Officepost office

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Questions about Cayuse’s history

What year was Cayuse founded?

The Cayuse post office opened in 1867, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.