How many people live in Ralls County, MO?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 10,500 people living in Ralls County, MO. That makes Ralls County the 83rd-most populous county in Missouri. It is home to 0.17% of people living in the state.
10.5K
population of Ralls County, MO (2024)
0.17%
County share of the Missouri population (2024)
About 10,500 people lived in Ralls County, MO in 2024.
Population estimates, 2000–2024
What are Ralls County, MO’s age demographics?
About 2,500 Ralls County, MO residents are aged 65 and older in 2024. That represents 23.9% of its population. For comparison, the age group represents 18.8% of Missouri’s population and 18% in the US overall.
Another 2,100 Ralls County residents, or 20.3% 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 Ralls County, MO's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Ralls County, MO’s racial and ethnic demographics?
Non-Hispanic white residents make up 94.7% of the Ralls County, MO population, higher than the national share of 57.5%.
In contrast, Ralls County’s Hispanic population accounts for 1.3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.5% 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.
Ralls 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 Ralls County, MO is New London with about 977 residents in 2024.
Cities and towns in Ralls County, MO ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | New London | 977 |
| 2. | Perry | 684 |
| 3. | Center | 539 |
| 4. | Hannibal (pt.) | 286 |
| 5. | Rensselaer | 253 |
| 6. | Monroe City (pt.) | 30 |
| 7. | Vandalia (pt.) | |
| 8. | Balance of Ralls County | 7,730 |
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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.
