How many people live in Ripley County, MO?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 10,700 people living in Ripley County, MO. That makes Ripley County the 81st-most populous county in Missouri. It is home to 0.17% of people living in the state.
10.7K
population of Ripley County, MO (2024)
0.17%
County share of the Missouri population (2024)
About 10,700 people lived in Ripley County, MO in 2024.
Population estimates, 2000–2024
What are Ripley County, MO’s age demographics?
About 2,100 Ripley County residents are aged 65 and older in 2024. That represents 19.7% of its population. For comparison, the age group represents 18.8% of Missouri’s population and 18% in the US overall.
Another 2,600 Ripley County residents, or 24.5% of the population, were children under 18. For comparison, the age group represents 22% of Missouri’s population and 21.6% in the US overall.
A lower share of Ripley County, MO's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Ripley County, MO’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.1% of the Ripley County, MO population, higher than the national share of 57.5%. Ripley County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.1%) than the US overall (0.72%).
In contrast, Ripley County’s Hispanic population accounts for 2%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.1% 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.
Ripley County, MO has a higher share of a non-Hispanic white population than Missouri as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Ripley County, MO is Doniphan with about 1,800 residents in 2024.
Cities and towns in Ripley County, MO ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Doniphan | 1,782 |
| 2. | Naylor | 441 |
| 3. | Balance of Ripley County | 8,492 |
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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.
