The Derinda Township post office opened in 1852, the earliest record of the town by name. Three smaller post offices, Derinda (1852), Derinda Center (1873) and Massbach (1885), opened inside today’s town and later closed.
First census: 354 in 20002020 census: 274174 years
Founding year: the first Derinda Township post office (Blevins & Helbock, CC0).
What stands out about Derinda Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, old corners, places now gone and burying grounds
Three other post offices opened and closed inside today’s town.
Derinda
1852–1895
Derinda Center
1873–1905
Massbach
1885–1953
18501940today
Hamlets and corners on the map
Massbach
Gone or out of use
Derinda Post Officepost officeLogan SchoolschoolOakland Schoolschool
3cemeteries and burying grounds inside Derinda Township
AlbrightMassbachMorrison
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Derinda Township, in brief
Wikipedia doesn’t have a history of Derinda Township yet. The photos, dates and memories neighbors add here are how it gets written.
Derinda Township is one of 23 townships in Jo Daviess County, Illinois, United States. As of the 2020 census, its population was 274 and it contained 176 housing units. Derinda Township was named in the 1850s for Derinda Barr, the wife of an early settler.
Its first post office opened in 1852. Between the 2010 and 2020 censuses its population fell from 321 to 274 (-15%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Derinda Township, 1852 to 1953
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Derinda Township. Tap a year, or press play to watch the town change.
1953Blackhawk 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 Derinda Township.
People over time
Derinda Township, census by census
Between 274 and 354 people in every census since 2000.
3 censuses, 2000–2020.
U.S. Census Bureau decennial counts, from the census table on Derinda Township’s Wikipedia page.
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 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.