Wikipedia doesn’t have a history of Pea Ridge Township yet. The photos, dates and memories neighbors add here are how it gets written.
Pea Ridge Township is one of nine townships in Brown County, Illinois, USA. As of the 2020 census, its population was 163 and it contained 89 housing units.
Between the 2010 and 2020 censuses its population fell from 188 to 163 (-13%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Pea Ridge Township, 1894 to 1946
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 Pea Ridge Township. Tap a year, or press play to watch the town change.
1946Augusta 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 Pea Ridge Township.
Famous people
Famous people close to Pea Ridge Township
Nobody well known was born in Pea Ridge Township itself, so here are the best known from just nearby.
Lost post offices, old corners, places now gone and burying grounds
Another post office, Damon, opened and closed inside today’s town.
Hamlets and corners on the map
Damon
Gone or out of use
Bates MinemineCruser MinemineEbenezer SchoolschoolMound SchoolschoolPell SchoolschoolPit 16 Cedar Creek MineminePoe SchoolschoolShank SchoolschoolSunny Hill Schoolschool
5cemeteries and burying grounds inside Pea Ridge Township
BecamGristyKnightMoundsReynolds
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 U.S. Geological Survey historical maps, 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.