Roche Harbor’s post office opened in 1882, and 1 of its places is on the National Register
Most of Roche Harbor was built recently: 0.0% of its homes predate 1940 and the median home dates from 1992. 1 place in town is on the National Register, among them a historic district with 17 buildings.
How Roche Harbor began
When was Roche Harbor founded?
The Roche Harbor post office opened in 1882, the earliest record of the town by name.
1 listing protects 17 historic buildings
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Lost post offices and burying grounds
Roche Harbor had its own post office from 1882 to 1964.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Roche Harbor’s history
What year was Roche Harbor founded?
The Roche Harbor post office opened in 1882, the earliest record of the town by name (U.S. post office records).
What is on the National Register in Roche Harbor?
One place: the Roche Harbor (listed 1977).
Memory lane
What the archives can’t tell you, neighbors can.
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 the National Register of Historic Places (1), 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.