Somerset County's estimated 2026 population is 368,211 with a growth rate of 1.48% 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 13.6% since that time.
Data after 2023 is projected based on recent change
The racial composition of Somerset County includes 54.11% White, 19.12% Asian, 9.63% Black or African American, 7.83% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (54.11%)
Asian (19.12%)
Black or African American (9.63%)
Two or more races (8.9%)
Other race (7.83%)
Native American (0.39%)
Native Hawaiian or Pacific Islander (0.01%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 187,337 | 54.11% |
| Asian | 66,196 | 19.12% |
| Black or African American | 33,339 | 9.63% |
| Two or more races | 30,829 | 8.9% |
| Other race | 27,101 | 7.83% |
| Native American | 1,352 | 0.39% |
| Native Hawaiian or Pacific Islander | 49 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Somerset County's average per capita income is $77,950. Household income levels show a median of $135,960. The poverty rate stands at 5.49%.
Name | Median | Mean |
|---|---|---|
| Married Families | $193,201 | $242,524 |
| Families | $167,353 | $217,703 |
| Households | $135,960 | $186,372 |
| Non Families | $75,956 | $104,320 |
Average Income
Median Household Income
Poverty Rate