Martin County's 2026 population is estimated at 10,234, reflecting a -2.21% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Martin County is the 98th largest county in Kentucky. The 2010 population was 12,894 and has grown -20.63% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 44.2 years
Male: 38.8 years
There are 8,848 adults, (1,972 of whom are seniors) in Martin County.
Female: 4,900 (44.4%)
Male: 6,127 (55.6%)
The racial composition of Martin County includes 86.05% White, 7.93% Black or African American, and smaller percentages for Native Hawaiian or Pacific Islander, Native American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,489 | 86.05% |
| Black or African American | 874 | 7.93% |
| Two or more races | 564 | 5.11% |
| Native Hawaiian or Pacific Islander | 45 | 0.41% |
| Native American | 40 | 0.36% |
| Other race | 15 | 0.14% |
Martin County 's average per capita income is $48,732. Household income levels show a median of $37,042. The poverty rate stands at 33.17%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $62,721 | - |
| Families | $49,974 | $81,386 |
| Households | $37,042 | $67,172 |
| Non Families | $20,733 | $37,486 |
Average Income
Median Household Income
Poverty Rate
