In 2019, Ellis County, OK had a population of 4.02k people with a median age of 44.1 and a median household income of $53,245. Between 2018 and 2019 the population of Ellis County, OK declined from 4,072 to 4,015, a −1.4% decrease and its median household income grew from $52,705 to $53,245, a 1.02% increase.
The 5 largest ethnic groups in Ellis County, OK are White (Non-Hispanic) (86.5%), White (Hispanic) (5.5%), Two+ (Non-Hispanic) (3.61%), American Indian & Alaska Native (Non-Hispanic) (1.94%), and Other (Hispanic) (1.07%). 0% of the households in Ellis County, OK speak a non-English language at home as their primary language, and 98.7% of the residents in Ellis County, OK are U.S. citizens.
In 2019, the median property value in Ellis County, OK was $89,800, and the homeownership rate was 74.2%. Most people in Ellis County, OK drove alone to work, and the average commute time was 16.1 minutes. The average car ownership in Ellis County, OK was 2 cars per household.