More historic than 19% of U.S. towns · #129 of 140 in Iowa. What drives it
Most of Norwalk was built recently: 4% of its homes predate 1940 and the median home dates from 2002. Below: maps from 1931 on and the census since 1900.
Founding year: Wikidata. First post office: 1856.The full story ↓
History grade
What drives Norwalk’s History grade
On its age, its old homes and the National Register, Norwalk is more historic than 19% of U.S. towns, #129 of 140 in Iowa. Its age holds the grade up; its National Register listings pull it down.
C−
HistoryA character grade: shown, never part of Norwalk’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 Norwalk’s 0.0 sits below most of its state (17% of Iowa towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from D to C−. The pre-1940 share (±2.5 points) is firm at this size. Two sources give 1856.
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 Norwalk’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The first settlers came to Norwalk area about 1846. One of them, Samuel Crow, settled near the North River. The first construction on the site that is now Norwalk began with a log cabin built by Samuel Snyder. The following year more families settled in the little town known as Pyra. A post office was established in the town on June 18, 1856. George W. Swan laid out the town and erected a hotel. Mr. Swan, who was born in Norwalk, Connecticut and was associated with a newspaper in Norwalk, Ohio, changed the town's name to Norwalk. The first railroad into town was constructed in 1882 a narrow gauge line from Des Moines to Cainsville, Missouri. In the 1890s the railroad was acquired by a subsidiary of the Burlington Railroad and was widened to standard gauge. Its primary use was for shipping the farmers’ livestock to various markets. The line was abandoned in 1947, after a flood had severe…
Passages that mention Norwalk, cut from the printed page as they were published.
The history of Warren County, Iowa1879 · page 673Read the page →
Read the text
HISTORY OF WAKKEiN COUNTY 673 this oceuputiou there tor twelve years. His business Ihi-ived and served as a steppiug-stoiie to greater prosperity, which lie iouud in the purehuse oi" eighty acres of land upon wliieh the town of Norwalk, then l)ut a stage statiou, is now located. Merc he bought a hotel and, as the growth oi" the surrounding country deniantlcd the conveniences of a market place, he laid out the city of Norwalk. He was elected its first mayor and served for two eouseeutive terms. The village, which was born of the necessities of the times, prospered
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Norwalk, 1856 to 1931
Woven from the archive, old maps, post office records, the National Register and the people born here.
In 1856, according to Wikidata. Norwalk’s post office opened in 1856, and the census of 1900 counted 287 people here.
How does Norwalk rank for history?
Norwalk is more historic than 19% of U.S. towns, #129 of 140 in Iowa. 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.
How old are the homes in Norwalk?
4% of Norwalk’s homes were built before 1940 (Census estimate, ±2.5 points), against a typical 22% for an Iowa town; the median home was built in 2002.
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), Wikipedia, 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 old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
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