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Irion County CourthouseIrion County Courthouse · Photo: Caesarscott · CC BY-SA 3.0
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History · Mertzon

Mertzon’s post office opened in 1908, and 18% of its homes were built before 1940

Below: maps from 1895 on and the census since 1930.

1908first post office
0on the National Register
18%homes built before 1940
Add an old photoShare a memory
Quick answers

How Mertzon began

When was Mertzon founded?

1908

The Mertzon post office opened in 1908, the earliest record of the town by name.

First census: 684 in 19302020 census: 747118 years
Founding year: the first Mertzon post office (Blevins & Helbock, CC0).

What stands out about Mertzon’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 Mertzon are in the public archives yet. The rest are in attics and albums.On the map since 18953 editions of the USGS map, 1895 to 1987. Watch Mertzon change.
★ What stands out · Help out

Start Mertzon’s collection

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

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

Mertzon on the map, 1895 to 1987

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

Mertzon on the 1895 USGS mapMertzon on the 1972 USGS mapMertzon on the 1987 USGS map1895Sherwood 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 Mertzon.

The story so far

Mertzon, in brief

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

Mertzon is a city in and the county seat of Irion County, Texas, United States. Its population was 747 according to the 2020 census. It is part of the San Angelo metropolitan area.

Its first post office opened in 1908. Between the 2010 and 2020 censuses its population fell from 781 to 747 (-4%).

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

By decade

Mertzon, decade by decade

Today1 recent
TXMap-doton-Mertzon2004TXMap-doton-Mertzon
People over time

Mertzon, census by census

020040060080019401960198020002020Peak: 869

Between 513 and 869 people in every census since 1930.

10 censuses, 1930–2020.

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

Famous people

Famous people close to Mertzon

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

See all →
N
Nancy RicheyAmerican tennis player · b. 1942
Greg MadduxAmerican baseball player · b. 1966
Max LucadoAmerican clergyman and writer · b. 1955
Cliff RicheyUS tennis player · b. 1946
Bill McGillAmerican basketball player · b. 1939
Paula DeAndaAmerican singer, songwriter and actress · b. 1989

Questions about Mertzon’s history

What year was Mertzon founded?

The Mertzon post office opened in 1908, 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.