Each edition grades its towns against each other only.
Most of Opal was built recently: 4% of its homes predate 1940 and the median home dates from 1990. Below: maps from 1969 on and the census since 1940.
The Opal post office opened in 1886, 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 Opal’s history is told.
Peaked at 102 in 2000; 64 people lived here in 2020.
8 censuses, 1940–2020.
U.S. Census Bureau decennial counts, from the census table on Opal’s Wikipedia page.
Wikipedia doesn’t have a history of Opal yet. The photos, dates and memories neighbors add here are how it gets written.
Opal is a town in Lincoln County, Wyoming, United States. The population was 64 at the 2020 census.
Its first post office opened in 1886. Between the 2010 and 2020 censuses its population fell from 96 to 64 (-33%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological SurveyWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Opal. 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 Opal.
Nobody well known was born in Opal itself, so here are the best known from just nearby.
The Opal post office opened in 1886, the earliest record of the town by name (U.S. post office records).
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 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.
