Most of Lamar was built recently: 2% of its homes predate 1940 and the median home dates from 1993. Its Register listing is the Cabin Creek Bridge. Below: maps from 1888 on and the census since 1900.
The Lamar post office opened in 1887, the earliest record of the town by name. Another post office, Cabin Creek (1874), opened inside today’s city and later closed.
First census: 474 in 19002020 census: 1,719139 years
How historic is Lamar?
C−
More historic than 24% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Lamar post office (Blevins & Helbock, CC0).
History grade
What drives Lamar’s History grade
On its age, its old homes and the National Register, Lamar is more historic than 24% of U.S. towns. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
C−
HistoryA character grade: shown, never part of Lamar’s overall grade.
Arkansas towns list more on the Register than most of the country (a typical Arkansas town has 20.5 per 10,000 residents, the U.S. 2.4), so Lamar’s 5.6 sits near the middle of its state (36% of Arkansas 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 C− to C. The pre-1940 share (±2.5 points) is firm at this size. 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 Lamar’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The Lamar post office opened in 1887, the earliest record of the town by name (U.S. post office records).
How does Lamar rank for history?
Lamar is more historic than 24% 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 Lamar?
One place: the Cabin Creek Bridge (listed 2023).
How old are the homes in Lamar?
2% of Lamar’s homes were built before 1940 (Census estimate, ±2.5 points), against a typical 3.1% for an Arkansas town; the median home was built in 1993.
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 (1), the National Register of Historic Places (1), 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.