How many people live in Johnston County, OK?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 10,300 people living in Johnston County, OK. That makes Johnston County the 57th-most populous county in Oklahoma. It is home to 0.25% of people living in the state.
10.3K
population of Johnston County, OK (2024)
0.25%
County share of the Oklahoma population (2024)
About 10,300 people lived in Johnston County, OK in 2024.
Population estimates, 2000–2024
What are Johnston County, OK’s age demographics?
About 2,000 Johnston County, OK residents are aged 65 and older in 2024. That represents 19% of its population. For comparison, the age group represents 17% of Oklahoma’s population and 18% in the US overall.
Another 2,400 Johnston County residents, or 22.9% of the population, were children under 18. For comparison, the age group represents 23.7% of Oklahoma’s population and 21.6% in the US overall.
A lower share of Johnston County, OK's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Johnston County, OK’s racial and ethnic demographics?
Non-Hispanic white residents make up 66.5% of the Johnston County, OK population, higher than the national share of 57.5%. Johnston County, OK also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (14.6%) than the US overall (0.72%).
In contrast, Johnston County’s Hispanic population accounts for 6.2%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 3% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Johnston County, OK has a higher share of a non-Hispanic American Indian and Alaska Native population than Oklahoma as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Johnston County, OK is Tishomingo with about 3,100 residents in 2024.
Cities and towns in Johnston County, OK ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Tishomingo | 3,083 |
| 2. | Mannsville | 736 |
| 3. | Ravia | 467 |
| 4. | Wapanucka | 390 |
| 5. | Mill Creek | 291 |
| 6. | Milburn | 250 |
| 7. | Bromide (pt.) | 98 |
| 8. | Balance of Johnston County | 4,978 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.