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History · Alamillo

Half of Alamillo’s homes were built after 1967

Most of Alamillo was built recently: 0.0% of its homes predate 1940 and the median home dates from 1967. Below: maps from 1916 on.

0on the National Register
0.0%homes built before 1940
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What stands out about Alamillo’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 Alamillo are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Alamillo’s collection

The first neighbors to add old photos shape how Alamillo’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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The story so far

Alamillo, in brief

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

Alamillo is an unincorporated community and census-designated place in Socorro County, New Mexico, United States. As of the 2020 census, Alamillo had a population of 124. Interstate 25 passes through the community. According to the U.S. Census Bureau, the community has an area of 1.200 square miles (3.11 km2), all land.

Between the 2010 and 2020 censuses its population grew from 102 to 124 (+22%).

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.
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On the map

Alamillo on the map, 1916 to 1971

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

Alamillo on the 1916 USGS mapAlamillo on the 1971 USGS map1916La Joya 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 Alamillo.

Famous people

Famous people close to Alamillo

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

See all →
Conrad HiltonAmerican hotelier and member of the Hilton fami… · b. 1887
Elfego BacaAmerican sheriff · b. 1865
R
Robert Fortune SanchezRoman Catholic Archbishop of Santa Fe, New Mexi… · b. 1934
G
Gail ArmstrongAmerican politician and businesswoman
L
Louis E. SaavedraAmerican politician · b. 1933
Jennie FortuneSecretary of state · b. 1895

Questions about Alamillo’s history

Memory lane

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

Town Square →
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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 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.