How many people live in Leake County, MS?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 21,500 people living in Leake County, MS. That makes Leake County the 41st-most populous county in Mississippi. It is home to 0.73% of people living in the state.
21.5K
population of Leake County, MS (2024)
0.73%
County share of the Mississippi population (2024)
About 21,500 people lived in Leake County, MS in 2024.
Population estimates, 2000–2024
What are Leake County, MS’s age demographics?
About 4,000 Leake County, MS residents are aged 65 and older in 2024. That represents 18.5% of its population. For comparison, the age group represents 18% of Mississippi’s population and 18% in the US overall.
Another 5,100 Leake County residents, or 23.6% of the population, were children under 18. For comparison, the age group represents 23% of Mississippi’s population and 21.6% in the US overall.
A lower share of Leake County, MS's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Leake County, MS’s racial and ethnic demographics?
Non-Hispanic Black or African American residents make up 38.4% of the Leake County population, higher than the national share of 12.6%. Leake County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (6%) than the US overall (0.72%).
In contrast, Leake County’s Hispanic population accounts for 7.8%, below the 20% nationwide, and the non-Hispanic white population makes up 46% of the county, compared with 57.5% 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.
Leake County, MS has a higher share of a non-Hispanic American Indian and Alaska Native population than Mississippi as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Leake County, MS is Carthage with about 4,900 residents in 2024.
Cities and towns in Leake County, MS ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Carthage | 4,855 |
| 2. | Walnut Grove | 508 |
| 3. | Lena | 157 |
| 4. | Sebastopol (pt.) | |
| 5. | Balance of Leake County | 15,942 |
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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.
