County · Oklahoma
Cimarron County, Oklahoma
Cimarron County, Oklahoma. Cimarron County had 2,059 residents in 2025 by the Census Bureau's estimate, down 10.1% since 2020, while Oklahoma grew 4.1%. It holds 4 places (2 cities, villages and boroughs and 2 census-designated) and 2 census tracts. GEOID 40025.
Residents, July 2025 estimate
2,059
Census Bureau estimate (no margin published)
2020 Census count: 2,296 · ACS 2020-2024: 2,218
Median household income
$62,188
±$29,818 (90% margin)
Oklahoma: $65,039
Median home value
$98,600
±$10,542 (90% margin)
Oklahoma: $199,800
Median gross rent
$718
±$162 (90% margin)
Oklahoma: $1,014
How many people live in Cimarron County, and is it growing?
The 2020 Census counted 2,296 residents in Cimarron County. The Census Bureau estimates 2,059 for July 1, 2025, down 10.1% since 2020, while Oklahoma grew 4.1%. The 2020-2024 American Community Survey puts the population at 2,218 over 1,835 square miles of land.
| Measure | Cimarron County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Total population | 2,218 | 4,028,634 | +44 |
| Households | 707±100 | 1,562,389 | −270 |
| Average household size | 3.12±0.45 | 2.50 | +0.91 |
| Housing units | 1,366±26 | 1,775,127 | −215 |
Cimarron County's population since 2000
From 3,148 in 2000 to 2,059 in 2025: down 34.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Cimarron County?
Cimarron County holds 4 places: 2 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Boise City with 1,040 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Boise City | 1,166 | $43,393 |
|---|---|---|
| KeyesGEOID 4039600 | 276 | $113,750 |
| FeltGEOID 4025850 | 77 | $96,042 |
| KentonGEOID 4039400 | 31 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Cimarron County?
The median resident of Cimarron County is 46.6 years old; 20.6% are under 18 and 27.2% are 65 or older. The largest group is non-Hispanic white residents at 66.4%, then Hispanic or Latino residents (of any race) at 25.3%. 8.0% of residents were born outside the United States.
| Measure | Cimarron County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.6±4.2 | 37.0 | no clear change |
| Under 18 years | 20.6%±3.5 pts | 24.0% | – |
| 65 years and over | 27.2%±3.6 pts | 16.3% | – |
| Hispanic or Latino (any race) | 25.3% | 12.7% | +2.9 pts |
| White alone, not Hispanic | 66.4%±2.7 pts | 62.1% | −10.2 pts |
| Black or African American alone, not Hispanic | 0.0%±0.1 pts | 6.8% | – |
| Asian alone, not Hispanic | 0.0%±1.1 pts | 2.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.2 pts | 6.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.1 pts | 0.2% | – |
| Two or more races, not Hispanic | 7.8%±2.7 pts | 8.9% | – |
| Some other race alone, not Hispanic | 0.4%±0.5 pts | 0.3% | – |
| Born outside the United States | 8.0%±5.0 pts | 6.4% | no clear change |
| Speak a language other than English at home (age 5+) | 26.0%±4.7 pts | 11.5% | – |
| Civilian veterans (age 18+) | 5.4%±4.4 pts | 7.9% | – |
| With a disability | 29.6%±7.0 pts | 17.2% | – |
| No health insurance coverage | 19.8%±5.7 pts | 12.9% | no clear change |
| High school graduate or higher (age 25+) | 86.7%±7.1 pts | 89.4% | – |
| Bachelor's degree or higher (age 25+) | 33.4%±6.0 pts | 28.3% | +10.6 pts |
| Graduate or professional degree (age 25+) | 3.1%±1.4 pts | 9.9% | – |
| Moved from another state in the past year | 1.9%±1.9 pts | 2.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Cimarron County earn?
Half of Cimarron County's 707 households earn less than $62,188 a year (±$29,818), against $65,039 in Oklahoma. In 2015-2019 it was $57,016 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.4% of residents live below the poverty line.
| Measure | Cimarron County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $62,188±$29,818 | $65,039 | no clear change |
| Mean household income | $98,801±$15,531 | $88,936 | – |
| Per capita income | $36,280±$5,302 | $35,624 | no clear change |
| People below the poverty line | 7.4%±4.1 pts | 15.3% | −9.4 pts |
| Children under 18 below the poverty line | 4.8%±5.5 pts | 20.1% | – |
| Households receiving SNAP | 5.5%±3.4 pts | 14.1% | – |
| Households with a broadband subscription | 79.9%±7.2 pts | 88.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Cimarron County?
Owners occupy 78.4% of Cimarron County's occupied homes and renters 21.6%. The median owner-occupied home is valued at $98,600 by its owner (±$10,542). The median renter pays $718 a month including utilities.
| Measure | Cimarron County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $98,600±$10,542 | $199,800 | +$29,066 |
| Median gross rent | $718±$162 | $1,014 | no clear change |
| Renters paying 35% or more of income on rent | 47.8%±32.8 pts | 37.5% | – |
| Median monthly owner costs, with a mortgage | $1,313±$191 | $1,539 | – |
| Owner-occupied homes | 78.4%±9.6 pts | 65.8% | no clear change |
| Housing units | 1,366±26 | 1,775,127 | −215 |
| Homeowner vacancy rate | 0.0%±4.4 pts | 1.2% | – |
| Rental vacancy rate | 10.8%±11.5 pts | 6.5% | – |
| Single-family detached homes | 84.6%±4.1 pts | 72.7% | – |
| Mobile homes | 11.6%±3.6 pts | 8.2% | – |
| Built 2020 or later | 0.0%±1.8 pts | 2.0% | – |
| Built 1939 or earlier | 18.3%±4.8 pts | 6.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Cimarron County building?
Builders took permits for 0 new housing units across Cimarron County in 2025 (0 single-family), 0.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Cimarron County get to work?
61.7% of Cimarron County's workers drive alone and 20.1% work from home. The average trip to work takes 8.0 minutes.
| Measure | Cimarron County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 59.9%±8.1 pts | 61.2% | – |
| Unemployment rate | 0.4%±0.4 pts | 5.0% | – |
| Drove alone to work | 61.7%±10.3 pts | 77.4% | – |
| Carpooled | 7.7%±7.1 pts | 9.7% | – |
| Public transportation | 0.0%±2.3 pts | 0.3% | – |
| Walked | 9.0%±6.4 pts | 1.8% | – |
| Worked from home | 20.1%±6.5 pts | 9.4% | +16.0 pts |
| Mean travel time to work | 8.0 min±1.7 | 22.4 min | −5.2 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Cimarron County's census tracts?
Cimarron County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $43,036 (Tract 9503) to $128,026 (Tract 9501).
| Tract 950140025950100 | 1,082±188 | $128,026 |
|---|---|---|
| Tract 950340025950300 | 1,136±188 | $43,036 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Cimarron County compare with Oklahoma's other counties?
| Measure | Rank |
|---|---|
| Population | 77th of 77 |
| Growth 2020-2025 | 77th of 77 |
| Residents per square mile | 77th of 77 |
| Median household income | 27th of 77 |
| Median home value | 73rd of 77 |
| Median gross rent | 64th of 77 |
| Poverty rate | 77th of 77 |
| Bachelor's degree or higher | 5th of 77 |
| Median age | 3rd of 77 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Cimarron County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.