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History · Mexico

Mexico’s post office opened in 1837, and 22% of its homes were built before 1940

Below: old-book passages.

1837first post office
0on the National Register
22%homes built before 1940
Quick answers

How Mexico began

When was Mexico founded?

1837

The Mexico post office opened in 1837, the earliest record of the town by name.

2020 census: 915189 years
Founding year: the first Mexico post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Mexico’s past

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

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Start Mexico’s collection

The first neighbors to add old photos shape how Mexico’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

How Mexico came to be

From Wikipedia’s history of Mexico.

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Mexico was platted in 1834. The community's name probably commemorates the Mexican War of Independence. Mexico was established along an Indian trail bordering the Eel River. This trail became the Michigan Road, the first road in Miami County. Sitting along the Michigan Road was the River House Inn, owned by the parents of Indiana poet Dulciana Minerva Mason, which was at the time the only stopping point between Indianapolis and Michigan City. The post office at Mexico has been in operation since 1837.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Mexico, 1889–1907

Passages that mention Mexico, cut from the printed page as they were published.

Coiiq., 336 et seq., whose record ends practically with '96, and who has been followed more or less closely by Prince and other late writers. Another excellent and contemporary version, founded of course on the same doc, or Vargas' reports to Mexico, is Siyiienza y Gdngora, Mercurio Volante, con la…
History of Arizona and New Mexico, 1530-18881889 · page 197Read the page →
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Coiiq., 336 et seq., whose record ends practically with '96, and who has been followed more or less closely by Prince and other late writers. Another excellent and contemporary version, founded of course on the same doc, or Vargas' reports to Mexico, is Siyiienza y Gdngora, Mercurio Volante, con la dc la recuperacion de to provincias del Nuevo Mexico, coiiseguida por Don Diego de Viirijas, etc., written by order of the viceroy Conde de Galve, and printed at Mexico 1693. It contains a brief summary, of no special value, of the discovery, conquest, and revolt of N. Mex. I have not seen the original

Text read by machine from the scan; it may contain errors.
by traces of aboriginal structures. This region is as yet but sparsely settled, but is being gradually occupied by Mormon and other settlers. In the east, adjoining New Mexico on the tributaries of the San Francisco, are the copper mines, which are among the most productive in the world, this regio…
History of Arizona and New Mexico, 1530-18881889 · page 627Read the page →
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by traces of aboriginal structures. This region is as yet but sparsely settled, but is being gradually occupied by Mormon and other settlers. In the east, adjoining New Mexico on the tributaries of the San Francisco, are the copper mines, which are among the most productive in the world, this region being connected by a narrow-gauge railroad with the Southern Pacific at Lordsburg, New Mexico. Solomonville,

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We HISTORY OF NEW MEXICO have made a strong race for first place as to value of production. At the present time fuel oil from the oil wells of California and Texas is replacing coal upon the railroads of California, Arizona, New Mexico, Texas, and Mexico to the almost complete exclusion of coal upo…
History of New Mexico1907 · page 976Read the page →
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We HISTORY OF NEW MEXICO have made a strong race for first place as to value of production. At the present time fuel oil from the oil wells of California and Texas is replacing coal upon the railroads of California, Arizona, New Mexico, Texas, and Mexico to the almost complete exclusion of coal upon the railroads and to a great extent for domestic and manufacturing purposes. The demand for New Mexico coal has thus been lessened to the extent of 1,000,000 tons per annum, approximately. On the other hand, the mines have not

Text read by machine from the scan; it may contain errors.
For several years prior to the inauguration of this proceeding there had been a great scarcity of water, especially in southern New Mexico and in that portion of Mexico bordering upon the river. This led to a complaint from the republic of Mexico, and as the result of diplomatic negotiations betwee…
History of New Mexico1907Read the page →
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For several years prior to the inauguration of this proceeding there had been a great scarcity of water, especially in southern New Mexico and in that portion of Mexico bordering upon the river. This led to a complaint from the republic of Mexico, and as the result of diplomatic negotiations between the two countries, in May, 1896, the matter was referred to the international boundary commission for investigation.

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

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Questions about Mexico’s history

What year was Mexico founded?

The Mexico post office opened in 1837, the earliest record of the town by name (U.S. post office records).

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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 Wikipedia and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.