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History · Deaver

Deaver’s post office opened in 1916, and 21% of its homes were built before 1940

Below: maps from 1966 on and the census since 1920.

1916first post office
0on the National Register
21%homes built before 1940
Quick answers

How Deaver began

When was Deaver founded?

1916

The Deaver post office opened in 1916, the earliest record of the town by name.

First census: 142 in 19202020 census: 154110 years
Founding year: the first Deaver post office (Blevins & Helbock, CC0).

What stands out about Deaver’s past

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

★ What stands out · Help out

Start Deaver’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story so far

Deaver, in brief

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

Deaver is a town in Big Horn County, Wyoming, United States. As of the 2020 census, Deaver had a population of 154.

Its first post office opened in 1916. Between the 2010 and 2020 censuses its population fell from 178 to 154 (-13%).

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

By decade

Deaver, decade by decade

On the map

Deaver on the map, 1966 to 1980

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

Deaver on the 1966 USGS mapDeaver on the 1980 USGS map1966Frannie sheet · 1:24,000

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

People over time

Deaver, census by census

0100200192019401960198020002020Peak: 199

Between 85 and 199 people in every census since 1920.

11 censuses, 1920–2020.

U.S. Census Bureau decennial counts, from the census table on Deaver’s Wikipedia page.

Famous people

Famous people close to Deaver

Nobody well known was born in Deaver itself, so here are the best known from just nearby.

See all →

Questions about Deaver’s history

What year was Deaver founded?

The Deaver post office opened in 1916, 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 Wikimedia Commons (1), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.