Jefferson Township, New Jersey Population

Overview

20,638

Total Population

46.5

Median age

48.09%

Female population %

107.9:100

Gender ratio (M:F)

60-64 years

Largest age group

51.6

Total dependency ratio

White

Largest racial group

1,259

Hispanic population

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

TABLE OF CONTENTS

Age

Jefferson township's population is old compared to the rest of the country:

The median age in Jefferson township is 46.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Jefferson township's population under 18 was 19.80%, compared to the 22.51% nationwide.
Jefferson township's elderly or the senior population (over 65 age) was 18.07% as compared to 16.04% nationwide.
Of the total population in Jefferson township, 15.97% were under the age of 15, 16.65% aged 15 to 29, 49.31% aged 30 to 64, 14.96% aged 65 to 84, and 3.11% were 85 years of age and older.

There are 788 less females than males in Jefferson township:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.09% females and 51.91% males in Jefferson Township, New Jersey.
The Jefferson Township, New Jersey gender ratio is 107.9:100 i.e. 107.9 men to 100 women (1.079).
For male population, the largest age group is 60-64 years with a population of 1,179.
For the female population, the largest age group is 50-54 years with a population of 1,066.

Jefferson township's population has become increasingly diverse:

Racial distribution of Jefferson township population: 86.58% are White, 3.10% are Black or African American, 0.17% are American Indian and Alaska Native, 4.50% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 0.33% are some other race and 5.26% are multiracial.
Jefferson township's racial breakdown clearly shows that there is an absolute majority of White population in the township.
By ethnicity, 1,259 is Hispanic or Latino (of any race), and 19,379 (93.90% of the total population) is Non-Hispanic.
The largest racial group in Jefferson township is White with a population of 17,869 (86.58% of the total population).

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

The peak population was 21,753 in the year 2009
From 2000 to 2010, Jefferson township's population increased by 1,531 (7.74%), as compared to the national growth of 9.63%.
From 2010 to 2020, Jefferson township's population decreased by 815 (3.83%), 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, Jefferson township's population was lowest in year 2001 at 19,670.