Coloma’s post office opened in 1851, and 12% of its homes were built before 1940
1 place in town is on the National Register, among them the Coloma, a National Historic Landmark, and a historic district with 16 buildings.
How Coloma began
When was Coloma founded?
The Coloma post office opened in 1851, the earliest record of the town by name. Another post office, Culloma (1849), opened inside today’s town and later closed.
1 listing protects 16 historic buildings
The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.
★ LandmarkNational Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Lost post offices, old corners and burying grounds
Coloma’s post office has been open since 1851. Another post office, Culloma, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Coloma’s history
What year was Coloma founded?
The Coloma post office opened in 1851, the earliest record of the town by name (U.S. post office records).
What is on the National Register in Coloma?
One place: the Coloma (listed 1966).
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.