How many people live in Martin County, NC?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 21,500 people living in Martin County, NC. That makes Martin County the 78th-most populous county in North Carolina. It is home to 0.19% of people living in the state.
21.5K
population of Martin County, NC (2024)
0.19%
County share of the North Carolina population (2024)
About 21,500 people lived in Martin County, NC in 2024.
Population estimates, 2000–2024
What are Martin County, NC’s age demographics?
About 5,700 Martin County residents are aged 65 and older in 2024. That represents 26.4% of its population. For comparison, the age group represents 18% of North Carolina’s population and 18% in the US overall.
Another 4,400 Martin County residents, or 20.4% of the population, were children under 18. For comparison, the age group represents 21.6% of North Carolina’s population and 21.6% in the US overall.
A higher share of Martin County, NC's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Martin County, NC’s racial and ethnic demographics?
Non-Hispanic Black or African American residents make up 40.2% of the Martin County, NC population, higher than the national share of 12.6%.
In contrast, Martin County’s Hispanic population accounts for 4.8%, below the 20% nationwide, and the non-Hispanic Asian population makes up 0.65% of the county, compared with 6.5% 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.
Martin County, NC has a higher share of a non-Hispanic Black or African American population than North Carolina as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Martin County, NC is Williamston with about 5,100 residents in 2024.
Cities and towns in Martin County, NC ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Williamston | 5,066 |
| 2. | Robersonville | 1,229 |
| 3. | Jamesville | 410 |
| 4. | Hamilton | 294 |
| 5. | Oak City | 264 |
| 6. | Parmele | 243 |
| 7. | Everetts | 144 |
| 8. | Bear Grass | 84 |
| 9. | Hassell | 47 |
| 10. | Balance of Martin County | 13,742 |
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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.
