Most of Parma was built recently: 9% of its homes predate 1940 and the median home dates from 1970. Below: maps from 1940 on and the census since 1910.
At the turn of the 20th century, Parma contained two saw mills.
In 1903, Parma, along with the neighboring community of Lotta, was incorporated as a village, retaining the name "Parma."
On April 14, 2015, Tyus Byrd was sworn in as the first African-American woman mayor of Parma. Byrd succeeded Randall Ramsey, who had been mayor of Parma for a total of 37 years. Shortly before Byrd was to be sworn in, four of the city's six police officers resigned, along with the city's clerk and the supervisor of water treatment.
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 Wikimedia Commons (2), 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.