Its Register listings are the Eddy County Courthouse, the US Post Office-New Rockford and the New Rockford Bridge. Below: maps from 1908 on and the census since 1920.
The New Rockford post office opened in 1883, the earliest record of the town by name. Another post office, Dunn (1883), opened inside today’s city and later closed.
First census: 2,111 in 19202020 census: 1,361143 years
How historic is New Rockford?
B+
More historic than 73% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first New Rockford post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives New Rockford’s History grade
On its age, its old homes and the National Register, New Rockford is more historic than 73% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B+
HistoryA character grade: shown, never part of New Rockford’s overall grade.
North Dakota towns list about as much on the Register as the country (a typical North Dakota town has 2.8 per 10,000 residents, the U.S. 2.4), so New Rockford’s 23.8 sits above most of its state (81% of North Dakota towns have fewer) while its 3 listings outnumber those of 65% 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 (±6.8 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (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 New Rockford’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
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.
New Rockford was founded in 1883, when the Northern Pacific Railway arrived in the area.
In 1915, residents mounted a challenge to have the state capital relocated from Bismarck to New Rockford. This did not succeed, leaving Bismarck the capital.
The New Rockford post office opened in 1883, the earliest record of the town by name (U.S. post office records).
How does New Rockford rank for history?
New Rockford is more historic than 73% 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 New Rockford?
Three places: the Eddy County Courthouse (listed 1985), the US Post Office-New Rockford (1989) and the New Rockford Bridge (1997).
How old are the homes in New Rockford?
27% of New Rockford’s homes were built before 1940 (Census estimate, ±6.8 points), against a typical 7.2% for a North Dakota town; the median home was built in 1964.
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 Wikidata (2), 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.