What is the population of Cimarron County?

The population of Cimarron County, OK is 2,145.

Where is Cimarron County located?

Cimarron County, OK is located at latitude 36.7483100 and longitude -102.5177100. It is in United States.

What is the area of Cimarron County?

The area of Cimarron County, OK is 4769 km².

What is the elevation of Cimarron County?

Cimarron County, OK has an elevation of 1275 meters (4183 feet) above sea level.

What time zone is Cimarron County in?

Cimarron County, OK is in the America/Chicago time zone.

How has the population of Cimarron County changed?

The population of Cimarron County, OK has decreased from 2,475 (2010) to 2,145 (2020), a change of -13.3%.

Cimarron County, Oklahoma

Cimarron County: county in Oklahoma, United States

About

Cimarron County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 2,475 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 2,145 inhabitants. Its county seat is Boise City. The county was created 119 years ago in 1906.

Cimarron County locator map — Location of Cimarron County on Oklahoma map.

County Snapshot

Cimarron County at a glance

Cimarron County currently has 2 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Oklahoma counties

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Largest city

Boise City

Population 1,085

Quick Facts about Cimarron County

Population	2,145 (2020)
Country	United States of America
State	Oklahoma (United States)
Area	4769 km²
Water as percent of area	0.3%
Land as percent of area	99.7%
Latitude & Longitude	36.7483,-102.5177
Named for	Cimarron River
Altitude	4,183 feet / 1275 meters
Capital	Boise City
Establishment	January 01, 1907
Time Zone	America/Chicago
Local time	21:41:23 (15th April 2026)
Population growth	-15.38% (2010-2020)
Weather	39℉ Partly Cloudy 7-days weather

Boise City Courthouse image

Geography

Cimarron County is located at 36°44'54"N 102°31'4"W (36.7483100, -102.5177100). It has 6 neighbors: Baca County, Morton County, Union County, Texas County, Dallam County and Sherman County.

Cimarron County map

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The largest city of Cimarron County is Boise City with a population of 1,085. Other cities include and Keyes population 277. See all Cimarron County cities & populated places.

Cimarron County Populated Places

Cities, towns, neighborhoods & other populated places in Cimarron County.

City Name	Population	Title
Boise City	1,085	City in Oklahoma
Keyes	277	Human settlement in Cimarron County, Oklahoma, United States of America

Weather

39°F

Partly Cloudy

10 mph NW Overnight

Partly cloudy. Low around 39, with temperatures rising to around 43 overnight. Northwest wind around 10 mph.

7-Day Forecast

Cimarron County has 6 neighbours.

Baca County county in Colorado, United States
Morton County county in Kansas, United States
Union County county in New Mexico, United States
Texas County county in Oklahoma, United States
Dallam County county in Texas, United States
Sherman County county in Texas, United States

Boise City

Demographics

According to census records, the population of Cimarron County decreased by 15.38% in 10 years.

Year	Population	% Change	Method
2010	2,475	-	census
2011	2,476	0.04%	estimation process
2012	2,398	-3.25%	estimation process
2013	2,328	-3.01%	estimation process
2014	2,294	-1.48%	estimation process
2015	2,225	-3.1%	estimation process
2016	2,189	-1.64%	estimation process
2017	2,152	-1.72%	estimation process
2018	2,165	0.6%	estimation process
2019	2,137	-1.31%	estimation process
2020	2,145	0.37%	estimation process

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Oklahoma Other Counties (more counties)

County Name	Population	Title
Oklahoma County	804,041	County in Oklahoma, United States
Tulsa County	657,589	County in Oklahoma, United States of America
Oklahoma City	655,057	The twenty-seventh most populous city in the United States and the center of the Oklahoma City metropolitan area.
Tulsa	403,166	The second most populous city in Oklahoma and the center of the Tulsa metropolitan area.
Cleveland County	287,066	County in North Carolina, United States
Canadian County	153,192	County in Oklahoma, United States
Norman	125,762	The second most populous city in Oklahoma.
Comanche County	121,099	County in Oklahoma, United States
Broken Arrow	111,648	The most populous city in Tulsa County, Oklahoma.
Edmond	95,346	The fourth most populous city in Oklahoma County, Oklahoma.
Lawton	93,164	The most populous city in Comanche County, Oklahoma.
Rogers County	93,155	County in Oklahoma, United States
Wagoner County	82,925	County in Oklahoma, United States of America
Payne County	81,755	County in Oklahoma, United States
Pottawatomie County	72,998	County in Oklahoma, United States
Creek County	71,485	County in Oklahoma, United States