Wikipedia doesn’t have a history of Westcreek yet. The photos, dates and memories neighbors add here are how it gets written.
Westcreek is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Westcreek CDP was 120 at the United States Census 2020. The Sedalia post office (Zip Code 80135) serves the area.
Its first post office opened in 1902. Between the 2010 and 2020 censuses its population fell from 129 to 120 (-7%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Westcreek, 1902 to 1968
Woven from the archive, old maps, post office records, the National Register and the people born 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 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.