Martin County's estimated 2026 population is 167,342 with a growth rate of 0.64% in the past year according to the most recent United States census data. Martin County is the 33rd largest county in Florida. The 2010 population was 146,912 and has seen a growth of 13.91% since that time.
Data after 2023 is projected based on recent change
Overall: 53.3 years
Female: 55 years
Male: 51.3 years
There are 136,042 adults, (52,205 of whom are seniors) in Martin County.
Female: 81,860 (50.5%)
Male: 80,316 (49.5%)
The racial composition of Martin County includes 78.25% White, 4.79% Black or African American, 4.38% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 126,895 | 78.25% |
| Two or more races | 17,542 | 10.82% |
| Black or African American | 7,761 | 4.79% |
| Other race | 7,109 | 4.38% |
| Asian | 2,196 | 1.35% |
| Native American | 616 | 0.38% |
| Native Hawaiian or Pacific Islander | 57 | 0.04% |
Martin County's average per capita income is $47,104. Household income levels show a median of $82,943. The poverty rate stands at 11.31%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,593 | $165,231 |
| Families | $105,283 | $148,140 |
| Households | $82,943 | $123,323 |
| Non Families | $47,471 | $76,314 |
Average Income
Median Household Income
Poverty Rate