Duplin County's 2026 population is estimated at 51,979, reflecting a 1.4% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Duplin County is the 51st largest county in North Carolina. The 2010 population was 58,663 and has grown -11.39% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.7 years
Female: 41.8 years
Male: 39.3 years
There are 37,627 adults, (9,815 of whom are seniors) in Duplin County.
Female: 25,035 (50.7%)
Male: 24,300 (49.3%)
The racial composition of Duplin County includes 53.57% White, 22.16% Black or African American, 15.4% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 26,427 | 53.57% |
| Black or African American | 10,934 | 22.16% |
| Other race | 7,596 | 15.4% |
| Two or more races | 3,764 | 7.63% |
| Asian | 288 | 0.58% |
| Native American | 273 | 0.55% |
| Native Hawaiian or Pacific Islander | 53 | 0.11% |
Duplin County 's average per capita income is $40,124. Household income levels show a median of $55,148. The poverty rate stands at 20.46%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $81,286 | $95,564 |
| Families | $68,416 | $82,416 |
| Households | $55,148 | $69,758 |
| Non Families | $30,964 | $40,570 |
Average Income
Median Household Income
Poverty Rate