Cimarron County, Oklahoma Demographics 2026

Population Overview

Cimarron County is located in Oklahoma with a total population of 2,247. It is the 77th most populous county out of 77 in Oklahoma. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Cimarron County is 38.3 years. This is 4% higher than the state median of 36.9 years. 11.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Cimarron County is $57,204. This is 10% lower than the state median of $63,603. It is also 27% lower than the national median of $78,538. The poverty rate stands at 10.5%. This is 32% lower than the state poverty rate of 15.3%. The unemployment rate is 0.3%. This is 94% lower than the state rate of 4.9%. The median home value is $94,500. Housing costs are 49% lower than the state median of $185,900. With a home-value-to-income ratio of just 1.7x, Cimarron County is one of the most affordable housing markets in the area. 77.2% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Cimarron County is White (non-Hispanic), making up 67.2% of the population. Hispanic or Latino residents account for 24.8%. The Black or African American population (0.1%) is well below the state average of 6.9%. The Hispanic or Latino population is significantly higher than the state average (24.8% vs 12.3%).

Education

31.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Cimarron County in the top 10% of all counties in the state for educational attainment. This is 14% higher than the state rate of 27.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.3%.

Data Sources & Methodology

All figures for Cimarron County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Oklahoma and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.