Clear Lake Township’s post office opened in 1870, and 20% of its homes were built before 1940
Its Register listing is the William L. Lords House. Its Register listing is the William L. Lords House. Below: 18 old photos and papers, maps from 1939 on, and the census since 1940.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
A post office was established at Clear Lake in 1870, and remained in operation until it was discontinued in 1903. Clear Lake was incorporated as a town in 1933.
Every edition of the U.S. Geological Survey’s map of Clear Lake Township. Tap a year, or press play to watch the town change.
1939Clear Lake 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 Clear Lake Township.
Then & now
Stand where they stood
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Retake this viewSunset, 1911
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Clear Lake Township’s page.
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 Library of Congress (18), the National Register of Historic Places (1), Wikipedia, 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.