Sussex County, NJ Population

Overview

144,492

Total Population

44.9

Median age

49.78%

Female population %

100.9:100

Gender ratio (M:F)

55-59 years

Largest age group

49.7

Total dependency ratio

White

Largest racial group

13,268

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Sussex County's population is old compared to the rest of the country:

The median age in Sussex County is 44.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sussex County's population under 18 was 19.72%, compared to the 22.51% nationwide.
Sussex County's elderly or the senior population (over 65 age) was 17.62% as compared to 16.04% nationwide.
Of the total population in Sussex County, 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.

There are 630 less females than males in Sussex County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.78% females and 50.22% males in Sussex County, NJ.
The Sussex County, NJ gender ratio is 100.9:100 i.e. 100.9 men to 100 women (1.009).
For male population, the largest age group is 55-59 years with a population of 6,386.
For the female population, the largest age group is 55-59 years with a population of 6,773.

Sussex County's population has become increasingly diverse:

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.
Sussex County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 13,268 is Hispanic or Latino (of any race), and 131,224 (90.82% of the total population) is Non-Hispanic.
The largest racial group in Sussex County is White with a population of 128,846 (89.17% of the total population).

Sussex County's population has already reached its peak and is showing a trend of decline:

The peak population was 152,455 in the year 2007
From 2000 to 2010, Sussex County's population increased by 4,081 (2.82%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sussex County's population decreased by 4,944 (3.32%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Sussex County's population was lowest in year 2019 at 140,710.