Somerset County, NJ Demographics

The total population of Somerset County is estimated to be 344,978 with 170,153 males (49.32%) and 174,825 females (50.68%). There are 4,672 more females than males in Somerset County.
The median household income in Somerset County was $131,542 in 2021, which marked an a decrease of 480(0.36%) from $132,022 in 2020. This income is 176.32% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Somerset County sees its highest median household income among householders in the age group of 45 to 64 years old, at $169,761. Overall, the median household income for the county of Somerset County stands at $135,577.
In Somerset County, the median income for all workers aged 15 years and older, regardless of work hours, was $75,085 for males and $50,001 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $102,416 for males and $80,987 for females.
In Somerset County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, Asian households have the highest median household income at $196,044, while Some Other Race households represent the opposite end with the lowest median household income of $88,660.
In 2022, the population of Somerset County was 346,875, a 0.16% increase year-by-year from 2021. Previously, in 2021, Somerset County's population was 346,331, an increase of 0.47% compared to a population of 344,725 in 2020.
The median age in Somerset County, NJ is 41.8, as per 2021 ACS 5-Year Estimates. Of the total population, 17.49% were under the age of 15, 17.89% aged 15 to 29, 48.79% aged 30 to 64, 13.62% aged 65 to 84, and 2.21% were 85 years of age and older.
Racial distribution of Somerset County population: 60.88% are White, 9.72% are Black or African American, 0.19% are American Indian and Alaska Native, 18.70% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 5.18% are some other race and 5.31% are multiracial.