Sussex County, NJ Demographics

The total population of Sussex County is estimated to be 144,808 with 72,893 males (50.34%) and 71,915 females (49.66%). There are 978 less females than males in Sussex County.
The median household income in Sussex County was $109,869 in 2021, which marked an an increase of 836(0.77%) from $109,033 in 2020. This income is 147.27% 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, Sussex County sees its highest median household income among householders in the age group of 45 to 64 years old, at $134,225. Overall, the median household income for the county of Sussex County stands at $113,640.
In Sussex County, the median income for all workers aged 15 years and older, regardless of work hours, was $63,232 for males and $41,055 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $85,449 for males and $65,347 for females.
In Sussex County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $175,979, while Two or More Races households represent the opposite end with the lowest median household income of $99,430.
In 2022, the population of Sussex County was 146,084, a 0.30% increase year-by-year from 2021. Previously, in 2021, Sussex County's population was 145,645, an increase of 1.20% compared to a population of 143,915 in 2020.
The median age in Sussex County, NJ is 44.9, as per 2021 ACS 5-Year Estimates. Of the total population, 15.58% were under the age of 15, 17.62% aged 15 to 29, 49.18% aged 30 to 64, 15.89% aged 65 to 84, and 1.72% were 85 years of age and older.
Racial distribution of Sussex County population: 89.17% are White, 2.27% are Black or African American, 0.02% are American Indian and Alaska Native, 1.97% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 1.74% are some other race and 4.82% are multiracial.