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B−History
History · Oracle

Oracle’s post office opened in 1880, and 6 of its places are on the National Register

More historic than 53% of U.S. towns · #17 of 140 in Arizona. What drives it

6 places in town are on the National Register, among them a historic district with 16 buildings. Most of Oracle was built recently: 6% of its homes predate 1940 and the median home dates from 1985. Below: maps from 1959 on and the census since 2000.

1880first post office
6on the National Register
6%homes built before 1940
Add an old photoShare a memory
Quick answers

How Oracle began

When was Oracle founded?

1880

The Oracle post office opened in 1880, the earliest record of the town by name.

First census: 3,563 in 20002020 census: 3,051146 years

How historic is Oracle?

B−

More historic than 53% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Oracle post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Oracle’s History grade

On its age, its old homes and the National Register, Oracle is more historic than 53% of U.S. towns, #17 of 140 in Arizona. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.

B−
HistoryA character grade: shown, never part of Oracle’s overall grade.
Founding era1880, from the first post office: founded 1850–1899, an older era than 37% of U.S. townsC+Homes built before 19405.5% of homes (±4.8) · typical AZ town 0.4% · U.S. 8.4%CNational Register6 listings, 22 historic buildings, 69.9 per 10,000 residents · typical AZ town 0.1 · U.S. 2.4A−
All U.S. towns we grade (21,289)Ahead of 53%
NewerOlder
Arizona towns of 2,500+ (140)Ahead of 88%

Few Arizona towns list much on the Register (a typical Arizona town has 0.1 per 10,000 residents, the U.S. 2.4), so Oracle’s 69.9 sits above most of its state (90% of Arizona towns have fewer) while its 22 historic buildings outnumber those of 80% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C to B. The pre-1940 share is a Census survey estimate (±4.8 points). The founding year is the first post office, not a stated founding date.

Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Oracle’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 Oracle are in the public archives yet. The rest are in attics and albums.Landmarks on the Register6 places on the National Register.
★ What stands out · Help out

Start Oracle’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
On the National Register

6 listings protect 22 historic buildings

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

places listed
6
National Historic Landmarks
0
none yet
historic buildings protected
22
each building in a district counts
first listed
1979
American Flag Post Office Ranch
Acadia Ranch, built 1880All Saint's Church, built 1901Kannally RanchLa Casa del High Jinks, built 1928Rancho Linda VistaAmerican Flag Post Office Ranch
BuildingsDistricts

Architectural styles listings

Vernacular2
Spanish Colonial Revival1
Pueblo Revival1
Late 19th and 20th Century Revivals1
Late 19th and Early 20th Century American Movements1
Acadia RanchBuilt 1880
All Saint's ChurchVernacular · Built 1901
Kannally RanchSpanish Colonial Revival
La Casa del High JinksPueblo Revival · Built 1928
Rancho Linda VistaLate 19th and 20th Century Revivals
All 6 listings
American Flag Post Office RanchBuilding · listed 1979

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

The story

How Oracle came to be

From Wikipedia’s history of Oracle.

Read it all →

The name "Oracle" comes from early prospectors. Albert Weldon came to the area looking for gold and silver. He and some other companions named their first mine The Oracle after the ship Weldon had traveled on. The community was later named after its first mine, and thus, indirectly, after a ship.

The community began to grow in the late 1870s, as gold and silver were discovered, and the Christmas and New Year mines opened. By 1880, a post office had been established.

The community also became a retreat for people suffering from tuberculosis. The Acadia Ranch – built in Oracle in 1882 by Edwin S. and Lillian Dodge – was, during this time, a sanitorium.

ChaptersAlternative history

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Oracle, 1880 to 1959

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

  1. 19th century
  2. 1880BuiltAcadia Ranch is built
  3. 1880Post officeThe Oracle post office opens
  4. 20th century
  5. 1901BuiltAll Saint's Church is built
  6. 1928BuiltLa Casa del High Jinks is built
  7. 1959On the mapFirst mapped by the U.S. Geological Survey
By decade

Oracle, decade by decade

Today6 recent
2014-365-189 Leaning on the Desert Fence20142014-365-189 Leaning on the Desert FenceLooking out from the residential zone2011Looking out from the residential zoneView of Oracle, AZ looking south - Mt. Lemmon in background2010View of Oracle, AZ looking south - Mt. Lemmon in back…Oracle AZ Mt Lemmon2010Oracle AZ Mt LemmonGLOW 20072007GLOW 2007OracleAZfromhill2006OracleAZfromhill
On the map

Oracle on the map, 1959 to 1996

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

Oracle on the 1959 USGS mapOracle on the 1988 USGS mapOracle on the 1996 USGS map1959Oracle 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 Oracle.

People over time

Oracle, census by census

05001,0001,5002,0002,5003,0003,5004,00020002020Peak: 3,686

Between 3,051 and 3,686 people in every census since 2000.

3 censuses, 2000–2020.

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

Famous people

Famous people close to Oracle

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

See all →
Linda RonstadtAmerican singer · b. 1946
Gabby GiffordsAmerican politician and gun control activist · b. 1970
H
Hailey BieberAmerican model and television personality · b. 1996
Barbara EdenAmerican actress and singer · b. 1931
K
Kyrsten SinemaAmerican politician · b. 1976
I
Inde NavarretteAmerican actress · b. 2001
Places that used to be

Old corners and places now gone

Oracle’s post office has been open since 1880.

Hamlets and corners on the map
Campo BonitoHighjinks
Gone or out of use
Highjinks Minemine

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

MammothIts storyC−

Questions about Oracle’s history

What year was Oracle founded?

The Oracle post office opened in 1880, the earliest record of the town by name (U.S. post office records).

How does Oracle rank for history?

Oracle is more historic than 53% of U.S. towns, #17 of 140 in Arizona. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

What is on the National Register in Oracle?

6 listings: 5 buildings, among them the American Flag Post Office Ranch (listed 1979, the first), and 1 historic district, the Rancho Linda Vista, with 16 contributing buildings. 22 historic buildings in all.

How old are the homes in Oracle?

6% of Oracle’s homes were built before 1940 (Census estimate, ±4.8 points), against a typical 0.4% for an Arizona town; the median home was built in 1985.

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).

From Wikimedia Commons (6), the National Register of Historic Places (6), Wikipedia, 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.