How many people live in Saline County, MO?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 23,300 people living in Saline County, MO. That makes Saline County the 48th-most populous county in Missouri. It is home to 0.37% of people living in the state.
23.3K
population of Saline County, MO (2024)
0.37%
County share of the Missouri population (2024)
About 23,300 people lived in Saline County, MO in 2024.
Population estimates, 2000–2024
What are Saline County, MO’s age demographics?
About 4,300 Saline County residents are aged 65 and older in 2024. That represents 18.5% of its population. For comparison, the age group represents 18.8% of Missouri’s population and 18% in the US overall.
Another 5,100 Saline County residents, or 21.7% 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 higher share of Saline County, MO's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Saline County, MO’s racial and ethnic demographics?
Non-Hispanic white residents make up 74.5% of the Saline County, MO population, higher than the national share of 57.5%. Saline County, MO also has a larger share of people identifying as non-Hispanic two or more races (2.8%) than the US overall (2.5%).
In contrast, Saline County’s non-Hispanic Black or African American population accounts for 5.5%, below the 12.6% nationwide, and the Hispanic population makes up 13.4% of the county, compared with 20% 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.
Saline County, MO has a higher share of a Hispanic population than Missouri as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Saline County, MO is Marshall with about 13,800 residents in 2024.
Cities and towns in Saline County, MO ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Marshall | 13,791 |
| 2. | Slater | 1,823 |
| 3. | Sweet Springs | 1,331 |
| 4. | Blackburn (pt.) | 212 |
| 5. | Malta Bend | 189 |
| 6. | Gilliam | 177 |
| 7. | Nelson | 154 |
| 8. | Miami | 150 |
| 9. | Emma (pt.) | 121 |
| 10. | Mount Leonard | 62 |
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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.
