Sully was platted in 1882. The community was incorporated in 1901. It is located on the Diamond Trail, an historic auto trail between Des Moines and Iowa City.
The Sully Telephone Association was organized in 1903 and incorporated on May 4, 1904. Locally owned by shareholder-members of its community, Sully Telephone Association serves the town of Sully, Iowa and surrounding areas.
Sully no longer has railroad service. At one time, it served as a depot point for a branch line of the Minneapolis & St. Louis Railroad.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Sully.
People over time
Sully, census by census
Between 282 and 904 people in every census since 1910.
12 censuses, 1910–2020.
U.S. Census Bureau decennial counts, from the census table on Sully’s Wikipedia page.
Places that used to be
Places now gone
Sully’s post office has been open since 1883.
Gone or out of use
Sullylocale
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Sully’s history
What year was Sully founded?
In 1882, according to Wikidata and Wikipedia’s history of the town. Sully’s post office opened in 1883, and the census of 1910 counted 282 people here.
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 (4), Wikipedia, Wikidata and Wikipedia for famous people, 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.