Founding year: Wikidata. First post office: 1849.The full story ↓
History grade
What drives Postville’s History grade
On its age, its old homes and the National Register, Postville is more historic than 82% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
A−
HistoryA character grade: shown, never part of Postville’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 Postville’s 3.4 sits near the middle of its state (40% of Iowa towns have fewer) while its 1 listings outnumber those of 51% 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 (±7.5 points). Two sources give 1843.
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 Postville’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Postville. Tap a year, or press play to watch the town change.
1906Decorah sheet · 1:125,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Postville.
Every building
Postville, building by building, 1895–1913
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.
The area of what is now Postville was first settled in 1843 by pioneer settler and mill worker Joel Post, hence the name of the city. Postville was platted in 1853. The population had ancestry from Germany and Norway. Stephanie Simon of the Los Angeles Times wrote that, until circa the 1990s, "Postville was basically all white and all Christian."
On March 17, 1873, Postville was officially incorporated as a city.
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.
In 1843, according to Wikidata. Postville’s post office opened in 1849, and the census of 1880 counted 732 people here.
How does Postville rank for history?
Postville is more historic than 82% 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 Postville?
One place: the Turner Hall (listed 2000).
How old are the homes in Postville?
33% of Postville’s homes were built before 1940 (Census estimate, ±7.5 points), against a typical 22% for an Iowa town; the median home was built in 1955.
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 (4), the Library of Congress (3), the National Register of Historic Places (1), 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.