Norfolk County's 2026 population is estimated at 741,897, reflecting a 0.29% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Norfolk County is the 5th largest county in Massachusetts. The 2010 population was 673,059 and has grown 10.23% since 2010.
Overall: 40.9 years
Female: 42 years
Male: 39.9 years
There are 580,769 adults, (129,645 of whom are seniors) in Norfolk County.
Female: 376,142 (51.5%)
Male: 353,940 (48.5%)
The racial composition of Norfolk County includes 69.81% White, 12.43% Asian, 7.43% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 509,654 | 69.81% |
| Asian | 90,735 | 12.43% |
| Two or more races | 55,502 | 7.6% |
| Black or African American | 54,240 | 7.43% |
| Other race | 19,029 | 2.61% |
| Native American | 706 | 0.1% |
| Native Hawaiian or Pacific Islander | 216 | 0.03% |
Norfolk County 's average per capita income is $80,587. Household income levels show a median of $130,739. The poverty rate stands at 6.69%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $196,612 | $251,544 |
| Families | $170,406 | $224,124 |
| Households | $130,739 | $183,022 |
| Non Families | $70,358 | $98,710 |
Average Income
Median Household Income
Poverty Rate