3 places in town are on the National Register, among them a historic district with 56 buildings. Below: 2 old photos and papers, maps from 1886 on, and the census since 1880.
Founding year: Wikidata. First post office: 1858.The full story ↓
History grade
What drives Corning’s History grade
On its age, its old homes and the National Register, Corning is more historic than 88% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.
A
HistoryA character grade: shown, never part of Corning’s overall grade.
Iowa towns list more on the Register than most of the country (a typical Iowa town has 9.1 per 10,000 residents, the U.S. 2.4), so Corning’s 370 sits above most of its state (99% of Iowa towns have fewer) while its 58 historic buildings outnumber those of 86% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A+. The pre-1940 share is a Census survey estimate (±7.7 points). Two sources give 1852.
Founding year: Wikidata (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Corning’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The first European settlers here were a group of French Icarians who came from Nauvoo, Illinois in 1852; they established a community near Lake Icaria, north of Corning in 1854. The new state of Iowa gave the town of "Icaria" a corporate charter in 1860. This community was dedicated to the utopian principles of Etienne Cabet and the democratic principles of the American Revolution and the French Revolution; this small French-speaking community considered themselves to be very patriotic Americans. In the 1860s, the community split between "traditionalists" and "progressives" (the latter favored women's right to vote). The "progressives" left the original site and moved to a new location about three miles (5 km) east of Corning's location. Although the corporation formally dissolved in 1878, some continued to live in the communal dwellings until 1898, making this the longest-lasting Icari…
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Corning.
Every building
Corning, building by building, 1886–1907
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.
In 1852, according to Wikidata. Corning’s post office opened in 1858, and the census of 1880 counted 1,526 people here.
How does Corning rank for history?
Corning is more historic than 88% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Corning?
Three places: the Adams County Jail (listed 1991), the Corning Commercial Historic District (2012) and the Corning Opera House (1993).
How old are the homes in Corning?
42% of Corning’s homes were built before 1940 (Census estimate, ±7.7 points), against a typical 22% for an Iowa town; the median home was built in 1953.
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).
From Wikimedia Commons (5), Wikidata (1), the National Register of Historic Places (3), Wikipedia, 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.