Sussex County
Sussex County is significantly wealthier than the US average, with a median household income of $116,186. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $369,400. Poverty is rare here, at 5.5% of residents. It ranks in the top 1% of US counties for household income.
Population & growth
PEP 2025 EST:148,063 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 10 more hispanic origin groups with data
+ 1 more asian origin group with data
+ 45 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Sussex County
Compare Sussex County to nearby counties
How many people live in Sussex County, New Jersey?
Sussex County, New Jersey has about 145,807 residents according to the 2024 American Community Survey.
What is the median household income in Sussex County, New Jersey?
The typical household in Sussex County, New Jersey earns about $116,186 a year. Half of households make more than that, and half make less.
Is Sussex County, New Jersey expensive?
In Sussex County, New Jersey, the median home is worth about $369,400, and the typical rent is about $1,585 a month.
How educated are people in Sussex County, New Jersey?
About 40.3% of adults age 25 and over in Sussex County, New Jersey hold a bachelor's degree or higher.
What is the poverty rate in Sussex County, New Jersey?
About 5.5% of people in Sussex County, New Jersey live below the federal poverty line.
Has Sussex County, New Jersey grown since 1990?
Yes, Sussex County, New Jersey has grown since 1990. The population has added about 14,864 residents, a change of about 11 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024