Somerset County's estimated 2026 population is 357,850 with a growth rate of 0.38% in the past year according to the most recent United States census data. Somerset County is the 13th largest county in New Jersey. The 2010 population was 324,120 and has seen a growth of 10.41% since that time.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 42.9 years
Male: 41 years
There are 275,802 adults, (59,537 of whom are seniors) in Somerset County.
Female: 177,430 (50.7%)
Male: 172,416 (49.3%)
The racial composition of Somerset County includes 51.6% White, 19.65% Asian, 9.54% Black or African American, 8.36% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 180,538 | 51.6% |
| Asian | 68,731 | 19.65% |
| Two or more races | 36,420 | 10.41% |
| Black or African American | 33,390 | 9.54% |
| Other race | 29,259 | 8.36% |
| Native American | 1,478 | 0.42% |
| Native Hawaiian or Pacific Islander | 30 | 0.01% |
Somerset County's average per capita income is $78,435. Household income levels show a median of $140,374. The poverty rate stands at 5.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $196,219 | $247,581 |
| Families | $171,215 | $222,702 |
| Households | $140,374 | $191,543 |
| Non Families | $78,739 | $107,231 |
Average Income
Median Household Income
Poverty Rate