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Sussex County, New Jersey Demographics 2026

Sussex County, New Jersey has a population of 145,117, the 17th most populous county in New Jersey. The median household income is $114,316 and the median home value is $342,800. The poverty rate is 5.4%.

Sussex County Quick Facts

Population 145,117
Median Household Income $114,316
Median Home Value $342,800
Poverty Rate 5.4%
Unemployment Rate 5.3%
Median Age 44.1 years
Homeownership Rate 84.9%
Affordability Ratio 3.0x
Bachelor's Degree+ 40.0%
High School Graduation 95.4%
Cities/Places 9
Population 145,117 17th of 21
Median Income $114,316 13% higher state
Poverty Rate 5.4%
Unemployment 5.3%

Economy & Housing

Employment

5.3% Unemployment Rate State: 6.2% | National: 5.2%
68.7% Labor Force Participation

Housing Overview

Owner 84.9%
Renter 15.1%
Affordability Index Affordable
3.0x home value to income ratio

People & Demographics

Diversity Index

33out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 65 | National average: 60

Education

Cities & Places in Sussex County

CityPopulationMedian IncomePovertyHome Value
Hopatcong borough14,470$114,0574.2%$318,600
Newton town8,336$73,67915.0%$282,300
Franklin borough4,938$90,1528.0%$253,100
Stanhope borough3,551$134,5832.5%$326,000
Hamburg borough3,293$90,6557.6%$258,200
Ogdensburg borough2,231$104,9467.0%$311,900
Sussex borough2,004$72,60110.6%$258,400
Branchville borough724$124,1674.8%$299,600
Andover borough716$78,7504.9%$355,400

Explore New Jersey Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Sussex County is located in New Jersey with a total population of 145,117. It is the 17th most populous county out of 21 in New Jersey. The county encompasses 9 Census-designated places.

Age Demographics

The median age in Sussex County is 44.1 years. This is 10% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Sussex County is $114,316. This is 13% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 46% higher. The poverty rate stands at 5.4%. This is 45% lower than the state poverty rate of 9.8%. The unemployment rate is 5.3%. This is 14% lower than the state rate of 6.2%. The median home value is $342,800. Housing costs are 20% lower than the state median of $427,600. The home-value-to-income ratio is 3.0x. 84.9% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 63.7%.

Race & Ethnicity

The largest racial or ethnic group in Sussex County is White (non-Hispanic), making up 81.0% of the population. Hispanic or Latino residents account for 11.1%. The White (non-Hispanic) population is significantly higher than the state average (81.0% vs 51.9%). The Black or African American population (2.3%) is well below the state average of 12.3%. The Asian population (1.9%) is well below the state average of 9.8%.

Education

40.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% lower 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 95.4%.

Frequently Asked Questions

What is the population of Sussex County, New Jersey?

Sussex County has a population of 145,117, making it the 17th most populous county in New Jersey.

What is the median income in Sussex County?

The median household income in Sussex County is $114,316 with a poverty rate of 5.4%.

How many cities are in Sussex County, New Jersey?

Sussex County contains 9 Census-designated places.