Renwick’s post office opened in 1882, and 51% of its homes were built before 1940
1 place in town is on the National Register, among them a historic district with 1 buildings.
How Renwick began
When was Renwick founded?
The Renwick post office opened in 1882, the earliest record of the town by name. Wikidata gives 1891.
1 historic place in Renwick
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.
Questions about Renwick’s history
What year was Renwick founded?
The Renwick post office opened in 1882, the earliest record of the town by name (U.S. post office records). Wikidata gives 1891.
What is on the National Register in Renwick?
One place: the Renwick Generating Plant (listed 1995).
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.