Lost post offices, old corners, places now gone and burying grounds
Three other post offices opened and closed inside today’s town.
Mount Summer
1847–1870
Houghton
1863–1883
Schapville
1883–1906
18401930today
Hamlets and corners on the map
Apple Canyon LakeSchapville
Gone or out of use
Apple Canyon Lake AirportairportErie SchoolschoolKeenan SchoolschoolMount Sumner SchoolschoolPleasant Ridge SchoolschoolSalem ChurchchurchSampson SchoolschoolSchultz QuarrymineThompson Center SchoolschoolUnion Schoolschool
1cemetery inside Thompson Township
Thompson
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Thompson Township, in brief
Wikipedia doesn’t have a history of Thompson Township yet. The photos, dates and memories neighbors add here are how it gets written.
Thompson Township is one of 23 townships in Jo Daviess County, Illinois, United States. As of the 2020 census, its population was 832 and it contained 1,053 housing units.
Thompson Township was established in 1852. Its population held steady between the last two censuses: 841 in 2010, 832 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Thompson Township, 1847 to 1906
Woven from the archive, old maps, post office records, the National Register and the people born 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 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.