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C−History
History · Lamar

Lamar’s post office opened in 1887, and 1 of its places is on the National Register

More historic than 24% of U.S. towns. What drives it

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.

1887first post office
1on the National Register
2%homes built before 1940
Quick answers

How Lamar began

When was Lamar founded?

1887

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.

What drives the grade ↓
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.
All U.S. towns we grade (21,289)Ahead of 24%
NewerOlder

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.

★ What stands out · Help out

Start Lamar’s collection

The first neighbors to add old photos shape how Lamar’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Lamar on the map, 1888 to 1993

Every edition of the U.S. Geological Survey’s map of Lamar. Tap a year, or press play to watch the town change.

Lamar on the 1888 USGS mapLamar on the 1962 USGS mapLamar on the 1993 USGS map1888Dardanelle #2 sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Lamar.

The story so far

Lamar, in brief

Wikipedia doesn’t have a history of Lamar yet. The photos, dates and memories neighbors add here are how it gets written.

Lamar is a city in Johnson County, Arkansas, United States. As of the 2020 census, Lamar had a population of 1,719.

Its first post office opened in 1887. Between the 2010 and 2020 censuses its population grew from 1,605 to 1,719 (+7%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Lamar, 1874 to 1888

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1874Post officeThe Cabin Creek post office opens
  3. 1887Post officeThe Cabin Creek post office closes
  4. 1887Post officeThe Lamar post office opens
  5. 1888On the mapFirst mapped by the U.S. Geological Survey
By decade

Lamar, decade by decade

On the National Register

1 historic place in Lamar

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
2023
Cabin Creek Bridge
All 1 listings

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

People over time

Lamar, census by census

02004006008001,0001,2001,4001,6001,80019001920194019601980200020201,719

Grew from 474 people in 1900 to 1,719 in 2020, 3 times over.

13 censuses, 1900–2020.

U.S. Census Bureau decennial counts, from the census table on Lamar’s Wikipedia page.

Famous people

Famous people close to Lamar

Nobody well known was born in Lamar itself, so here are the best known from just nearby.

See all →
Places that used to be

Lost post offices, old corners and burying grounds

Lamar’s post office has been open since 1887. Another post office, Cabin Creek, opened and closed inside today’s town.

Cabin Creek
1874–1887
Lamar
1887–today
18701950today
Hamlets and corners on the map
Knoxville Junction
1cemetery inside Lamar
Blakeley

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Lamar’s history

What year was Lamar founded?

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.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

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.