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History · Patagonia

Patagonia’s post office opened in 1866, and 1 of its places is on the National Register

Most of Patagonia was built recently: 10% of its homes predate 1940 and the median home dates from 1967. Its Register listing is the Cady Hall. Below: 2 old photos and papers, maps from 1927 on, and the census since 1950.

1866first post office
1on the National Register
10%homes built before 1940
2old photos & papers
From Patagonia’s archive · credits on each photo
Quick answers

How Patagonia began

When was Patagonia founded?

1866

The Patagonia post office opened in 1866, the earliest record of the town by name.

First census: 700 in 19502020 census: 804160 years
Founding year: the first Patagonia post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Patagonia’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 Patagonia’s collection

The first neighbors to add old photos shape how Patagonia’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 Patagonia came to be

From Wikipedia’s history of Patagonia.

Read it all →

The area where Patagonia is located provided Native American communities with plentiful hunting and fishing opportunities. Archaeologists have identified the remains of Native American settlements, resource processing sites, and petroglyphs in the area surrounding Patagonia. The area was known as a Tohono O'odham ranchería, or seasonal village, called Sonoitac.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

Patagonia, decade by decade

On the map

Patagonia on the map, 1958 to 1996

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

Patagonia on the 1958 USGS mapPatagonia on the 1996 USGS map1958Mount Wrightson sheet · 1:62,500

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

Every building

Patagonia, building by building, 1927

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.

Patagonia fire insurance map, 1927, sheet 11927Sheet 1 of 2
Edition
BrickWoodStone

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Fort Crittenden (Ruins)
Retake this viewFort Crittenden (Ruins)

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Patagonia’s page.

Retake this view · +15
On the National Register

1 historic place in Patagonia

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

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1992
Cady Hall
Buildings

Architectural styles listings

Late 19th and 20th Century Revival1
Colonial Revival1
Vernacular Adobe1

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

People over time

Patagonia, census by census

02004006008001,0001960198020002020Peak: 980

Between 540 and 980 people in every census since 1950.

8 censuses, 1950–2020.

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

Famous people

Famous people close to Patagonia

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

See all →

Questions about Patagonia’s history

What year was Patagonia founded?

The Patagonia post office opened in 1866, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Patagonia?

One place: the Cady Hall (listed 1992).

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 (11), the Library of Congress (2), Wikidata (2), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.