The Seneca post office opened in 1855, the earliest record of the town by name. Another post office, Shaw Hill (1869), opened inside today’s town and later closed.
2020 census: 932171 years
Founding year: the first Seneca post office (Blevins & Helbock, CC0).
What stands out about Seneca’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Seneca. Tap a year, or press play to watch the town change.
1924Gays Mills sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Seneca.
The story so far
Seneca, in brief
Wikipedia doesn’t have a history of Seneca yet. The photos, dates and memories neighbors add here are how it gets written.
Seneca is a village in Crawford County, Wisconsin, United States. The population was 932 at the 2020 census. The unincorporated community of Seneca is located in the town.
Its first post office opened in 1855. Between the 2010 and 2020 censuses its population grew from 866 to 932 (+8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Seneca in 1881
Passages that mention Seneca, cut from the printed page as they were published.
History of Crawford county and Ohio. Containing a history of the state of Ohio, from its earliest settlement to the present time ... a history of Crawford county ... biographical sketches1881 · page 671Read the page →
Read the text
Those settlers who located in the northern half, with scarcely an exception, came from Seneca County, where large emigrations of New Englanders have settled, many of them before the war of 1812. Alter most of the land in Seneca [ settled and improved by those who came from Mansfield through Bucyrus. The land in the
Text read by machine from the scan; it may contain errors.
History of Crawford county and Ohio. Containing a history of the state of Ohio, from its earliest settlement to the present time ... a history of Crawford county ... biographical sketches1881 · page 699Read the page →
Read the text
Pioneers from the old settlements on Sandusky River, in Seneca County, came into the northern part as early as 1825, while no improvement was made in the eastern part until about five years later. It was natural and customary for settlers to select land that would repay them for the labor of clearing with an immediate and abundant crop. Afterward, the
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Seneca, 1855 to 1924
Woven from the archive, old maps, post office records, the National Register and the people born here.
Lost post offices, places now gone and burying grounds
Seneca’s post office has been open since 1855. Another post office, Shaw Hill, opened and closed inside today’s town.
Seneca
1855–today
Shaw Hill
1869–1871
18501940today
Gone or out of use
Crawford County InfirmaryhospitalDean SchoolschoolHalls Branch SchoolschoolLeitner SchoolschoolLower Copper Creek SchoolschoolMount Hope SchoolschoolNorwegian SchoolschoolOak Grove SchoolschoolProgressvie Ridge SchoolschoolSchurz SchoolschoolShaw Hill SchoolschoolStony Point Schoolschool
2cemeteries and burying grounds inside Seneca
Saint PatricksStuart
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
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), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.