Somerset County, NJ Population

Overview

343,950

Total Population

41.8

Median age

50.78%

Female population %

96.9:100

Gender ratio (M:F)

55-59 years

Largest age group

50.0

Total dependency ratio

White

Largest racial group

51,778

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Somerset County is 41.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Somerset County's population under 18 was 21.85%, compared to the 22.51% nationwide.
Somerset County's elderly or the senior population (over 65 age) was 15.82% as compared to 16.04% nationwide.
Of the total population in Somerset County, 17.49% were under the age of 15, 17.89% aged 15 to 29, 48.79% aged 30 to 64, 13.62% aged 65 to 84, and 2.21% were 85 years of age and older.

There are 5,396 more females than males in Somerset County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.78% females and 49.22% males in Somerset County, NJ.
The Somerset County, NJ gender ratio is 96.9:100 i.e. 96.9 men to 100 women (0.969).
For male population, the largest age group is 55-59 years with a population of 13,874.
For the female population, the largest age group is 55-59 years with a population of 14,291.

Somerset County's population has become increasingly diverse:

Racial distribution of Somerset County population: 60.88% are White, 9.72% are Black or African American, 0.19% are American Indian and Alaska Native, 18.70% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 5.18% are some other race and 5.31% are multiracial.
Somerset County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 51,778 is Hispanic or Latino (of any race), and 292,172 (84.95% of the total population) is Non-Hispanic.
The largest racial group in Somerset County is White with a population of 209,411 (60.88% of the total population).

Somerset County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 346,875 in the year 2022
From 2000 to 2010, Somerset County's population increased by 25,161 (8.42%), as compared to the national growth of 9.63%.
From 2010 to 2020, Somerset County's population increased by 20,605 (6.36%), 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, Somerset County's population was lowest in year 2000 at 298,959.