Sussex County, NJ demographics:
population, income, and more

Total population
145,807
0.5% year-over-year change
Median household income
$116,186/yr
1.6% year-over-year change
Housing units
62,865
0.1% year-over-year change

Sussex County population

How many people live in Sussex County

Sussex County is home to 145,807 residents, according to the most recent Census data. Gender-wise, 50.4% of Sussex County locals are male, and 49.6% are female.

Total population
145,807
0.5% year-over-year change
Gender ratio
Male
50.4%
73,474
Female
49.6%
72,333
Value Percent YoY change
Male 73,474 50.4% 0.8%
Female 72,333 49.6% 0.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sussex County is 44, with the population distributed as follows: about 15.6% are children under 15, then 11.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.1% of the population, while another 29.8% fall into the 45 to 64 bracket. Finally, around 19% are 65 or older.

Median age
43.8
Age breakdown
Under 15
15.6%
15 to 24
11.5%
25 to 44
24.1%
45 to 64
29.8%
Over 65
19%
Value Percent YoY change
Under 15 22,761 15.6% 0.1%
15 to 24 16,769 11.5% 0.3%
25 to 44 35,108 24.1% 2.1%
45 to 64 43,513 29.8% -2.2%
Over 65 27,656 19% 3.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sussex County, 90% of the population are US-born citizens, while 7.2% have gained naturalized citizenship. At the same time, 2.8% of residents are non-citizens. As for race, 82.3% of locals are Caucasian, 1.8% are African American and 2% have Asian roots. There’s also a share of 9.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
90%
Non-U.S.-born citizens
7.2%
Non-citizens
2.8%
Value Percent YoY change
U.S.-born citizens 131,156 90% 0.4%
Non-U.S.-born citizens 10,578 7.2% -3.8%
Non-citizens 4,073 2.8% 17.7%
Racial breakdown
White
82.3%
Black or African American
1.8%
American Indian and Alaska Native
0.3%
Asian
2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.4%
Other
4.2%
Value Percent
White 119,960 82.3%
Black or African American 2,701 1.8%
American Indian and Alaska Native 396 0.3%
Asian 2,917 2%
Two or more races 13,732 9.4%
Other 6,101 4.2%

Households in Sussex County

A peek inside Sussex County households

Sussex County has 57,767 households, with an average of 2 members in each. Of these, 69.3% are families, while the remaining 30.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
57,767
0.8% year-over-year change
Average people per household
2
Non-family households
17,714
Family households
40,053
Value Percent YoY change
Non-family households 17,714 30.7% 7.0%
Family households 40,053 69.3% -1.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sussex County

The housing landscape of Sussex County

Sussex County's housing consists of 62,865 units, with 78% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.7% of the housing landscape.

Housing units
62,865
0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 49,018 78%
1 unit, attached 4,054 6.4%
2 units 1,614 2.6%
3 or 4 units 1,818 2.9%
5 to 9 units 2,123 3.4%
10 to 19 units 1,439 2.3%
20 to 49 units 605 1%
50 or more units 1,102 1.8%
Mobile home 1,078 1.7%
Boat, RV, van, etc. 14 0%
Homes built since 2020
415
107.5% year-over-year change

The age of buildings in Sussex County

In Sussex County, the median construction year is 1973. About 14.1% of homes were built before the 1940s, with another 5% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.6% of homes were added from 2000 to 2009, 2.1% between 2010 and 2019, and 0.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 8,843 14.1% -0.1%
Built between 1940 and 1949 3,131 5% -10.3%
Built between 1950 and 1959 7,910 12.6% -3.2%
Built between 1960 and 1969 7,867 12.5% -0.5%
Built between 1970 and 1979 11,958 19% -1.6%
Built between 1980 and 1989 9,671 15.4% 5.6%
Built between 1990 and 1999 5,681 9% 2.2%
Built between 2000 and 2009 6,055 9.6% -0.3%
Built between 2010 and 2019 1,334 2.1% 6.1%
Built in 2020 or later 415 0.7% 107.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sussex County occupancy rates

Out of the 57,767 occupied housing units in Sussex County, 83.7% are owner-occupied, while 16.3% are lived in by tenants. Meanwhile, 8.1% of all homes on the local market sit vacant.

Occupied housing units
57,767
0.8% year-over-year change
Occupancy breakdown
Renter occupied
9,401
Owner occupied
48,366
Value Percent YoY
change
Renter occupied 9,401 16.3% 8.7%
Owner occupied 48,366 83.7% -0.6%
Unoccupied housing units
8.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sussex County housing costs

Housing costs in Sussex County come to a median of $1,907 per month, while tenants specifically pay a median gross rent of $1,585.

Median housing costs per month
$1,907/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Sussex County
$1,585/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Sussex County

Sussex County education at a glance

About 32.9% of the population in Sussex County went to high school, while 19.4% pursued college studies. Another 8.3% earned an associate degree and 24.8% hold a bachelor’s. Meanwhile, 13.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,578 1.3% 4.8%
High school diploma 38,572 32.9% 1.5%
College diploma 22,738 19.4% -2.1%
Associate degree 9,773 8.3% -2.9%
Bachelor's degree 29,162 24.8% 1.2%
Graduate degree 15,565 13.3% 2.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sussex County

How much people earn in Sussex County

The average annual household income in Sussex County was $144,531 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.8% change from the previous year. At the same time, the median income stood at $116,186, reflecting a +1.6% shift over the same period.

Average household income in Sussex County
$144,531/year
0.8% year-over-year change
Median household income in Sussex County
$116,186/year
1.6% year-over-year change

Sussex County income by age

In Sussex County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $124,853. Those with someone between 45 and 64 in charge, often well established professionally, earn $139,190 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $80,515, while those led by someone over 65, many of whom may be retired, have about $84,440 in earnings. Overall, 94.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $80,515 32.2%
25 - 44 $124,853 -1.2%
45 - 64 $139,190 2.1%
Over 65 $84,440 2.9%
Above poverty level
135,458
Below poverty level
7,985
Value Percent YoY
change
Above poverty level 135,458 94.4% 0.3%
Below poverty level 7,985 5.6% 2.7%

Employment in Sussex County

Workforce and job types in Sussex County

The job market in Sussex County is powered by 78,350 working residents, spread across a range of industries and roles. 80.4% of the working population are employed in professional or administrative positions, while 19.6% are in hands-on or service-based jobs. Also, 8.5% run their own businesses, 68% are employed by private companies, and 16.7% work in the public sector.

Workforce demographics

Working population
78,350
0.2% year-over-year change
White collar
62,953
Blue collar
15,397
Value Percent YoY change
White collar 62,953 80.4% 0.3%
Blue collar 15,397 19.6% -0.3%
Employer type
Self employees
8.5%
Private companies
68%
Governmental workers
16.7%
Not for profit companies
6.8%
Value Percent YoY change
Self employees 6,659 8.5% -0.1%
Private companies 53,291 68% 0.1%
Governmental workers 13,106 16.7% 1.1%
Not for profit companies 5,294 6.8% -0.8%
Unemployment rate
5.1%
-2.9% year-over-year change

Available workforce

The unemployment rate in Sussex County stands at 5.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Sussex County

How people get around in Sussex County

In Sussex County, the average commute time is 36 minutes. Commuting methods vary: 82.5% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
36 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 63,101 82.5% -0.9%
Taxicab 64 0.1% 18.5%
Bus or trolleybus 336 0.4% -23.8%
Subway or elevated 72 0.1% N/A
Railroad 295 0.4% 3.5%
Motorcycle 97 0.1% 4.3%
Bicycle 21 0% 31.2%
Walk 608 0.8% -3.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Sussex County by zipcode?

Zipcode Population Number of households Median income Average income
07416 5,851 2,591 $93,983 $104,359
07418 2,559 904 $156,439 $159,870
07821 9,662 3,553 $141,860 $168,816
07419 9,693 4,265 $100,713 $127,715
07421 6,977 2,780 $129,800 $176,114
07422 5,280 2,268 $108,722 $148,448
07439 2,160 859 $105,551 $126,444
07460 3,181 1,245 $145,081 $137,133
07461 18,731 7,179 $106,981 $125,524
07462 7,195 3,265 $95,945 $122,921

Find your place

Explore more communities

FAQs about Sussex County demographics 

What is the total population of Sussex County?

Sussex County has a total population of 145,807 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.5% compared to a year ago.

What is the gender ratio in Sussex County?

The gender ratio in Sussex County is as follows:
  • 50.4% males (73,474 residents)
  • 49.6% females (72,333 residents)

What is the median age in Sussex County?

The median age in Sussex County is 43.8.

What is the age distribution of the population in Sussex County?

The age distribution in Sussex County is as follows:
  • Under 15: 15.6% (22,761 residents)
  • Ages 15-24: 11.5% (16,769 residents)
  • Ages 25-44: 24.1% (35,108 residents)
  • Ages 45-64: 29.8% (43,513 residents)
  • Over 65: 19% (27,656 residents)

What is the racial and ethnic makeup of Sussex County?

The racial and ethnic makeup of Sussex County is as follows:
  • White: 82.3% (119,960 residents)
  • Black or African American: 1.8% (2,701 residents)
  • American Indian and Alaska Native: 0.3% (396 residents)
  • Asian: 2% (2,917 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 9.4% (13,732 residents)
  • Other: 4.2% (6,101 residents)

What percentage of the population in Sussex County are U.S.-born citizens?

U.S.-born citizens represent 90% of the population in Sussex County.

How many housing units are there in Sussex County?

There are 62,865 housing units in Sussex County, reflecting a +0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sussex County and what is the average household size?

Sussex County has a total of 57,767 households, with an average of 2 people in each.

What is the median household income in Sussex County?

Sussex County has a median household income of $116,186, representing a +1.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Sussex County?

The employment rate is 94.9% in Sussex County, with a workforce of 78,350 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 80.4% (62,953 residents)
  • Blue-collar workers: 19.6% (15,397 residents)

Places of employment:
  • Self-employed: 8.5% (6,659 residents)
  • Private companies: 68% (53,291 residents)
  • Governmental workers: 16.7% (13,106 residents)
  • Not-for-profit companies: 6.8% (5,294 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025