Oklahoma

Harmon

2,488
2020 population
1910
first census record
12
census records

About Harmon

Harmon, Oklahoma, first appears in the United States federal census in 1910, when it recorded a population of 11,328. At the most recent census, in 2020, its population stood at 2,488.

Its recorded population peaked at 13,834 in 1930, and has since declined by roughly 82 percent.

On the ground today, 4 documented military engagements have been recorded within the county, among them Killing of Yellow Wolf Kiowa, Battle of the North Fork of the Red River 1872, Davidson's Column Fight, and 4 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20202,488
20102,922
20003,283
19903,793
19804,519
19705,136
19605,852
19508,079
194010,019
193013,834
192011,261
191011,328
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Harmon

Military engagements that took place in Harmon, Oklahoma.

Killing of Yellow Wolf Kiowa
1858
Battle of the North Fork of the Red River 1872
1872
Davidson's Column Fight
1874
Greer County War — Texas vs Oklahoma
1890

Historic places in Harmon

National Register of Historic Places listings in Harmon, Oklahoma.

United States Post Office Hollis
Hollis
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Everything a full report reveals about Harmon County, Oklahoma

This page charts the census history of Harmon County, Oklahoma. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Harmon

When does Harmon first appear in the US census?
Harmon, Oklahoma first appears in the federal census in 1910, with a recorded population of 11,328.
What is the population of Harmon?
At the most recent federal census (2020), Harmon had a recorded population of 2,488.
When did Harmon's population peak?
Harmon's recorded population peaked at 13,834 in 1930.
Were any battles fought in Harmon?
4 documented military engagements took place in Harmon, including Killing of Yellow Wolf Kiowa, Battle of the North Fork of the Red River 1872, Davidson's Column Fight.
How many historic places are in Harmon?
4 sites are listed on the National Register of Historic Places in Harmon, Oklahoma.
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