Peaked at 141 in 1920; 70 people lived here in 2020.
12 censuses, 1910–2020.
U.S. Census Bureau decennial counts, from the census table on Utica Township’s Wikipedia page.
The story so far
Utica Township, in brief
Wikipedia doesn’t have a history of Utica Township yet. The photos, dates and memories neighbors add here are how it gets written.
Utica is a town in Yankton County, South Dakota, United States. The population was 70 at the 2020 census. Some say Utica is a name derived from the Sioux language meaning "dweller", while others believe the name is a transfer from Utica, New York.
Between the 2010 and 2020 censuses its population fell from 859 to 746 (-13%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Every edition of the U.S. Geological Survey’s map of Utica Township. Tap a year, or press play to watch the town change.
1978Yankton sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Utica Township.
On the National Register
3 listings protect 33 historic buildings
The country’s official list of buildings and places worth saving.
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 (1), Wikidata (3), the National Register of Historic Places (3), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.