Each edition grades its towns against each other only.
Its Register listing is the DDZ Bridge over New Fork River. Below: 2 old photos and papers and maps from 1964 on.
The Boulder post office opened in 1905, the earliest record of the town by name.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Boulder’s history is told.
Wikipedia doesn’t have a history of Boulder yet. The photos, dates and memories neighbors add here are how it gets written.
Boulder is a census-designated place (CDP) in Sublette County, Wyoming, United States. The population was 170 at the 2010 census.
Its first post office opened in 1905. Between the 2010 and 2020 censuses its population fell from 170 to 115 (-32%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Every edition of the U.S. Geological Survey’s map of Boulder. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Boulder.
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Boulder’s page.
Retake this view · +15The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Nobody well known was born in Boulder itself, so here are the best known from just nearby.
The Boulder post office opened in 1905, the earliest record of the town by name (U.S. post office records).
One place: the DDZ Bridge over New Fork River (listed 1985).
What the archives can’t tell you, neighbors can.
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 (4), the Library of Congress (1), the National Register of Historic Places (1), 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.
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