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BHistory
History · Addison

Addison’s post office opened in 1900, and 32% of its homes were built before 1940

More historic than 59% of U.S. towns. What drives it

4 places in town are on the National Register.

1900first post office
4on the National Register
32%homes built before 1940
2famous people
Quick answers

How Addison began

When was Addison founded?

1900

The Addison post office opened in 1900, the earliest record of the town by name. Four smaller post offices, Addison Point (1828), Indian River (1837) and South Addison (1883), opened inside today’s town and later closed.

2020 census: 1,148126 years

How historic is Addison?

B

More historic than 59% of U.S. towns, on its age, its old homes and the National Register.

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

What drives Addison’s History grade

On its age, its old homes and the National Register, Addison is more historic than 59% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.

B
HistoryA character grade: shown, never part of Addison’s overall grade.
All U.S. towns we grade (21,289)Ahead of 59%
NewerOlder

Maine towns list more on the Register than most of the country (a typical Maine town has 15.9 per 10,000 residents, the U.S. 2.4), so Addison’s 38.3 sits above most of its state (70% of Maine towns have fewer) while its 4 listings outnumber those of 68% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C to A. The pre-1940 share is a Census survey estimate (±9.2 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 Addison’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 Addison’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Places that used to be

Lost post offices, old corners and burying grounds

Addison’s post office has been open since 1900. Four other post offices opened and closed inside today’s town.

Addison Point
1828–1900
Indian River
1837–1933
South Addison
1883–1907
Westcogus
1895–1907
Addison
1900–today
18201920today
Hamlets and corners on the map
Indian RiverSouth Addison
3cemeteries and burying grounds inside Addison
Church HillMerrittWescogus

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

On the National Register

4 historic places in Addison

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

places listed
4
National Historic Landmarks
0
none yet
historic buildings protected
4
each building in a district counts
first listed
1988
Indian River Baptist Church
Buildings

Architectural styles listings

Greek Revival3
Gothic Revival2
Mid-19th Century1
Italianate1
All 4 listings

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

The story so far

Addison, in brief

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

Addison is a town in Washington County, Maine, United States. The town was named after English author Joseph Addison. The population was 1,148 as of the 2020 census.

Its first post office opened in 1900. Between the 2010 and 2020 censuses its population fell from 1,266 to 1,148 (-9%).

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

Timeline

Addison, 1828 to 1933

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

  1. 19th century
  2. 1828Post officeThe Addison Point post office opens
  3. 1832Born hereHenry Plummer is born here
  4. 1832Born hereAnsell Wass is born here
  5. 1837Post officeThe Indian River post office opens
  6. 1842BuiltCapt. John Plummer House is built
  7. 1883Post officeThe South Addison post office opens
  8. 20th century
  9. 1900Post officeThe Addison Point post office closes
  10. 1907Post officeThe South Addison post office closes
  11. 1933Post officeThe Indian River post office closes
By decade

Addison, decade by decade

Famous people

2 famous people were born in Addison

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Stories next door

History across the town line

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

Questions about Addison’s history

What year was Addison founded?

The Addison post office opened in 1900, the earliest record of the town by name (U.S. post office records).

How does Addison rank for history?

Addison is more historic than 59% of U.S. towns. 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 Addison?

4 listings: 4 buildings, among them the Indian River Baptist Church (listed 1988, the first).

How old are the homes in Addison?

32% of Addison’s homes were built before 1940 (Census estimate, ±9.2 points), against a typical 19% for a Maine town; the median home was built in 1977.

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 (5), Wikidata (1), the National Register of Historic Places (4), Wikidata and Wikipedia for famous people, 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.