The Truro Township post office opened in 1850, the earliest record of the town by name. Another post office, Truro (1850), opened inside today’s town and later closed.
2020 census: 836176 years
Founding year: the first Truro Township post office (Blevins & Helbock, CC0).
What stands out about Truro Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Truro Township yet. The photos, dates and memories neighbors add here are how it gets written.
Truro is an unincorporated community in Knox County, Illinois. Truro is a populated place located within the Township of Truro, a minor civil division (MCD) of Knox County. The elevation of Truro is 682 feet. Knox County is in the Central Time Zone (UTC -6 hours). The population in Truro is 738. There are 21 people per square mile aka population density. The median age in Truro is 37.5, the US median age is 37.4. The number of people per household in Truro is 2.6, the US average of people per household is 2.6.
Its first post office opened in 1850. Its population held steady between the last two censuses: 840 in 2010, 836 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
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 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.