Somerset County, New Jersey Demographics 2026
Somerset County, New Jersey has a population of 346,203, the 13th most populous county in New Jersey. The median household income is $135,960 and the median home value is $523,900. The poverty rate is 5.5%.
Somerset County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 65 | National average: 60
Education
Educational Attainment (Adults 25+)
Cities & Places in Somerset County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| North Plainfield borough | 22,667 | $83,529 | 14.0% | $350,700 |
| Somerville borough | 12,958 | $103,869 | 6.2% | $403,600 |
| Bound Brook borough | 12,023 | $80,876 | 10.6% | $362,900 |
| Manville borough | 10,870 | $93,872 | 12.3% | $321,100 |
| Raritan borough | 8,192 | $103,699 | 7.0% | $449,200 |
| Bernardsville borough | 7,871 | $231,006 | 1.0% | $737,600 |
| Watchung borough | 6,429 | $166,536 | 2.1% | $833,300 |
| South Bound Brook borough | 4,833 | $102,019 | 16.4% | $345,300 |
| Peapack and Gladstone borough | 2,547 | $184,231 | 2.4% | $843,400 |
| Far Hills borough | 1,004 | $152,188 | 5.3% | $798,900 |
| Rocky Hill borough | 814 | $127,344 | 4.3% | $608,200 |
| Millstone borough | 606 | $139,209 | 4.5% | $486,200 |
Explore New Jersey Rankings
Population Overview
Somerset County is located in New Jersey with a total population of 346,203. It is the 13th most populous county out of 21 in New Jersey. The county encompasses 12 Census-designated places.
Age Demographics
The median age in Somerset County is 41.9 years. This is 4% higher than the state median of 40.1 years.
Economy, Income & Housing
The median household income in Somerset County is $135,960. This is 35% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 73% higher. The poverty rate stands at 5.5%. This is 44% lower than the state poverty rate of 9.8%. The unemployment rate is 4.8%. This is 23% lower than the state rate of 6.2%. The median home value is $523,900. Housing costs are 23% higher than the state median of $427,600. The home-value-to-income ratio is 3.9x. 74.5% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 63.7%.
Race & Ethnicity
The largest racial or ethnic group in Somerset County is White (non-Hispanic), making up 50.6% of the population. Asian residents account for 19.1%. The Asian population is significantly higher than the state average (19.1% vs 9.8%).
Education
57.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Somerset County in the top 10% of all cities in the state for educational attainment. This is 34% higher than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.8%. Notably, 26.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Frequently Asked Questions
What is the population of Somerset County, New Jersey?
Somerset County has a population of 346,203, making it the 13th most populous county in New Jersey.
What is the median income in Somerset County?
The median household income in Somerset County is $135,960 with a poverty rate of 5.5%.
How many cities are in Somerset County, New Jersey?
Somerset County contains 12 Census-designated places.