Share of the population by age and sex, five-year groups

Population of New Jersey, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2021  +1 +5

9,266,509 people lived in New Jersey on July 1, 2021: the 11th-largest population among the 50 states and the District of Columbia. The median age was 39.9 years (United States: 38.9); children (17.6%) and older adults (16.9%) make up similar shares of the population. There were 94.8 men for every 100 women. Since 2010 the population has grown by 5.3%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2021
Population
9,266,509
Rank by population
11th of 51
Median age
39.9
Men per 100 women
94.8
Under 15
17.6%
15–64
65.6%
65 and over
16.9%
Child dependency
26.8
Old-age dependency
25.8
Change since 2010
+5.3%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2021
AgeMenWomenTotalShare
0-4259,804247,400507,2045.5%
5-9274,669263,479538,1485.8%
10-14297,761284,728582,4896.3%
15-19304,387287,267591,6546.4%
20-24300,745285,311586,0566.3%
25-29298,226291,371589,5976.4%
30-34310,962318,790629,7526.8%
35-39303,725313,497617,2226.7%
40-44290,282305,472595,7546.4%
45-49278,397293,993572,3906.2%
50-54300,894322,894623,7886.7%
55-59312,542338,074650,6167.0%
60-64294,809322,749617,5586.7%
65-69236,566269,088505,6545.5%
70-74184,671224,108408,7794.4%
75-79120,896157,350278,2463.0%
80-8473,805107,358181,1632.0%
85+66,435124,004190,4392.1%
How New Jersey compares with similar-sized states, 2021
RankStateResidentsRelative
8 Georgia 10,793,038
9 North Carolina 10,565,503
10 Michigan 10,042,362
11 New Jersey 9,266,509
12 Virginia 8,660,007
13 Washington 7,744,316
14 Arizona 7,274,022
Frequently asked questions about New Jersey's population
What is the population of New Jersey?
New Jersey had an estimated 9,266,509 residents on July 1, 2021, according to the U.S. Census Bureau, Population Estimates Program. That ranks 11th among the 51 states and the District of Columbia.
What is the median age in New Jersey?
The median age in New Jersey was 39.9 years in 2021, the 18th oldest of the 51 states and DC. That is 1.0 years older than the national median of 38.9.
How many people in New Jersey are 65 or older?
About 1,564,281 residents of New Jersey (16.9%) were 65 or older in 2021, against 17.6% under 15 and 65.6% aged 15 to 64.
What does the population pyramid of New Jersey show?
In 2021, New Jersey: children (17.6%) and older adults (16.9%) make up similar shares of the population. There were 94.8 men for every 100 women.
How fast is the population of New Jersey changing?
The population of New Jersey grew by 5.3% between 2010 and 2021, and by -0.0% in the last year.
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