Most of Delta was built recently: 4% of its homes predate 1940 and the median home dates from 1970. Below: maps from 1934 on and the census since 1910.
Peaked at 524 in 1980; 376 people lived here in 2020.
11 censuses, 1910–2020.
U.S. Census Bureau decennial counts, from the census table on Delta’s Wikipedia page.
The story so far
Delta, in brief
Wikipedia doesn’t have a history of Delta yet. The photos, dates and memories neighbors add here are how it gets written.
Delta is a city in Cape Girardeau County, Missouri, United States. The population was 376 at the 2020 census. It is part of the Cape Girardeau–Jackson, MO-IL Metropolitan Statistical Area.
Its first post office opened in 1914. Between the 2010 and 2020 censuses its population fell from 438 to 376 (-14%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Delta, 1914 to 1980
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.