Wikipedia doesn’t have a history of Moro yet. The photos, dates and memories neighbors add here are how it gets written.
Moro is a city in Sherman County, Oregon, United States. As of the 2020 census, Moro had a population of 367. It is the county seat of Sherman County. It’s currently the least-populous county seat in Oregon. Moro was incorporated on February 17, 1899, by the Oregon Legislative Assembly. It was named for Moro, Illinois.
Its first post office opened in 1884. Between the 2010 and 2020 censuses its population grew from 324 to 367 (+13%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Moro, 1884 to 1971
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 Moro. Tap a year, or press play to watch the town change.
1971Moro 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 Moro.
Every building
Moro, building by building, 1905–1910
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
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), Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.