Cimarron County, Oklahoma Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 77th-largest in Oklahoma
The population of Cimarron County, Oklahoma is 2,247 as of the 2023 American Community Survey, making it the 77th-largest county in Oklahoma. The median household income is $57,204, the median home value is $94,500, and the median age is 38.3.
The population of Cimarron County has declined 13.7% since 2010 (2,472 → 2,133), a -1.05% annualized rate.
2,247
Population
-1.05%
Annual growth
1
People / sq mi
$57,204
Median Income
$94,500
Median Home Value
Cimarron County covers 1,835 sq mi of land at 1.2 people per square mile.
About Cimarron County, OK
Cimarron County stands apart on settlement density — it is among the most sparsely settled of US counties, at roughly 1 people per square mile. Cimarron County is a county in Oklahoma with a population of 2,247.
The typical household here earns about $57,204, below the US median of $78,538. Poverty runs at 8.3%, below the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $94,500, with typical rent around $682.
College attainment is above the local norm at 31.7%, below the national 35.0%. An unusually large 18.1% of workers are remote, above the national 14.0%, and the average commute runs about 8 minutes each way.
Cimarron County Population History (2010-2024)
The county of Cimarron County had a population of 2,472 in 2010 and 2,133 in 2024, a -13.7% growth over 14 years. The peak was 2,477 in 2011. Average annual growth rate: -1.02%.
2,133
Population (2024)
2,472
Population (2010)
2,477
Peak (2011)
-1.02%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 2,472 |
| 2011 | 2,477 |
| 2012 | 2,398 |
| 2013 | 2,327 |
| 2014 | 2,294 |
| 2015 | 2,225 |
| 2016 | 2,181 |
| 2017 | 2,155 |
| 2018 | 2,165 |
| 2019 | 2,148 |
| 2020 | 2,290 |
| 2021 | 2,248 |
| 2022 | 2,229 |
| 2023 | 2,188 |
| 2024 | 2,133 |
Race & Ethnicity
| White | 80.5% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 6.0% |
| Two or More Races | 0.0% |
Age & Sex
38.3
Median Age
49.6%
Female
50.4%
Male
25.0%
Age 65+
Age Distribution
Children (under 15): 22.4% · Seniors (65+): 25.0%
Income & Poverty
| Median household income | $57,204$-6,399 vs state |
| Mean household income | $94,401 |
| Per-capita income | $35,550 |
| Poverty rate | 8.3%-2.8% vs state |
| Unemployment rate | 0.2% |
| Employment-to-population | 60.5% |
Top Industries by Employment
The largest employment sector in Cimarron County is agriculture, accounting for 33.4% of workers.
How residents commute
0.0%
Drive alone
5.4%
Carpool
69.3%
Public transit
18.1%
Work from home
7.5 min
Avg commute
Housing
$94,500$-91,400 vs state
Median home value
$682
Median rent
77.2%
Homeownership rate
1,368
Total housing units
51.3%
Occupied
48.7%
Vacant
22.8%
Renter-occupied
Social & access
82.8%
With health insurance
93.4%
With broadband internet
51.0%
Foreign-born
6.0%
Veterans (18+)
28.7%
With a disability
75.8%
Speak language other than English at home
Education
85.3%
High School+
31.7%
Bachelor's+
Largest cities in Oklahoma
Other counties in Oklahoma
Part of Oklahoma
Metro areas in Oklahoma
County rankings
Frequently Asked Questions
Cimarron County, Oklahoma has a population of 2,247 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 77th-largest county in Oklahoma. Population density is 1 people per square mile.
The population of Cimarron County has declined 13.7% since 2010 (2,472 → 2,133), a -1.05% annualized rate.
The median household income in Cimarron County, Oklahoma is $57,204, with mean (average) household income of $94,401 and per-capita income of $35,550. 8.3% of residents live below the federal poverty level.
In Cimarron County, the largest racial and ethnic groups are White (80.5%), Hispanic or Latino (6.0%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Cimarron County, Oklahoma is 38.3 years. Residents are 49.6% female and 50.4% male.
The median home value in Cimarron County is $94,500 and median monthly rent is $682. 77.2% of occupied housing units are owner-occupied. The county has 1,368 total housing units, 48.7% of which are vacant.
The largest employment sector in Cimarron County, Oklahoma is agriculture, forestry, fishing, and mining, employing 33.4% of workers. The unemployment rate is 0.2%.
Oklahoma City is among the largest cities associated with Cimarron County, Oklahoma, with a population of 688,693.
Cimarron County, OK Climate
Cimarron County, OK has an average annual temperature of 12.4°C (54°F) and receives about 436 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.4°C
Avg Temp
436
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 33° | 9 mm |
| February | 3° / 37° | 10 mm |
| March | 7° / 45° | 26 mm |
| April | 12° / 53° | 35 mm |
| May | 17° / 62° | 63 mm |
| June | 22° / 72° | 66 mm |
| July | 25° / 77° | 67 mm |
| August | 24° / 75° | 65 mm |
| September | 19° / 67° | 41 mm |
| October | 13° / 55° | 26 mm |
| November | 6° / 43° | 17 mm |
| December | 1° / 35° | 11 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Cimarron County, OK
The most comfortable months to visit Cimarron County, OK are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near -8°C low). July is usually the wettest month.
Where to stay near Cimarron County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.