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History · Round Mountain

Round Mountain’s post office opened in 1857, and 1 of its places is on the National Register

Most of Round Mountain was built recently: 4% of its homes predate 1940 and the median home dates from 1983. Its Register listing is the Round Mountain Stage-Coach Inn and Stable. Below: maps from 1887 on and the census since 1990.

1857first post office
1on the National Register
4%homes built before 1940
Quick answers

How Round Mountain began

When was Round Mountain founded?

1857

The Round Mountain post office opened in 1857, the earliest record of the town by name.

First census: 59 in 19902020 census: 101169 years
Founding year: the first Round Mountain post office (Blevins & Helbock, CC0).

What stands out about Round Mountain’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 Round Mountain’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Round Mountain on the map, 1887 to 1986

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

Round Mountain on the 1887 USGS mapRound Mountain on the 1894 USGS mapRound Mountain on the 1967 USGS mapRound Mountain on the 1986 USGS map1887Blanco 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 Round Mountain.

People over time

Round Mountain, census by census

010020020002020Peak: 181

Peaked at 181 in 2010; 101 people lived here in 2020.

4 censuses, 1990–2020.

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

The story so far

Round Mountain, in brief

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

Its first post office opened in 1857. Between the 2010 and 2020 censuses its population fell from 181 to 101 (-44%).

Timeline

Round Mountain, 1857 to 2010

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1857Post officeThe Round Mountain post office opens
  3. 1887On the mapFirst mapped by the U.S. Geological Survey
  4. 21st century
  5. 2010CensusPopulation peaks at 181
By decade

Round Mountain, decade by decade

On the National Register

1 historic place in Round Mountain

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
2
each building in a district counts
first listed
1978
Round Mountain Stage-Coach Inn and Stable
All 1 listings

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Questions about Round Mountain’s history

What year was Round Mountain founded?

The Round Mountain post office opened in 1857, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Round Mountain?

One place: the Round Mountain Stage-Coach Inn and Stable (listed 1978).

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 (2), the National Register of Historic Places (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.