Trout Lake’s post office opened in 1887, and 1 of its places is on the National Register
Most of Trout Lake was built recently: 8% of its homes predate 1940 and the median home dates from 1996. Its Register listing is the Trout Lake Tourist Club. Below: 5 old photos and papers, maps from 1998 on, and the census since 2000.
The Trout Lake post office opened in 1887, the earliest record of the town by name. Another post office, Guler (1903), opened inside today’s town and later closed.
First census: 494 in 20002020 census: 672139 years
Founding year: the first Trout Lake post office (Blevins & Helbock, CC0).
The story so far
Trout Lake, in brief
Wikipedia doesn’t have a history of Trout Lake yet. The photos, dates and memories neighbors add here are how it gets written.
Trout Lake is an unincorporated community and census-designated place (CDP) in Klickitat County, Washington, United States. The population was 672 at the 2020 census. The town is notable for its organic dairy and herb farms, and as an access point to Mount Adams and the Gifford Pinchot National Forest.
Its first post office opened in 1887. Between the 2010 and 2020 censuses its population grew from 557 to 672 (+21%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Trout Lake, 1887 to 1998
Woven from the archive, old maps, post office records, the National Register and the people born here.
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.
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 (1), the Library of Congress (5), the National Register of Historic Places (1), 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.