Jersey City, NJ population age distribution
A complete breakdown of Jersey City's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
Age Group | Population | % of Total Population |
---|---|---|
Under 5 years | 21,538 | 7.5% |
5 to 9 years | 16,594 | 5.78% |
10 to 14 years | 13,989 | 4.87% |
15 to 19 years | 12,583 | 4.38% |
20 to 24 years | 16,641 | 5.8% |
25 to 29 years | 30,897 | 10.76% |
30 to 34 years | 34,441 | 11.99% |
35 to 39 years | 27,661 | 9.63% |
40 to 44 years | 20,004 | 6.97% |
45 to 49 years | 16,548 | 5.76% |
50 to 54 years | 15,319 | 5.33% |
55 to 59 years | 15,395 | 5.36% |
60 to 64 years | 12,812 | 4.46% |
65 to 69 years | 11,345 | 3.95% |
70 to 74 years | 8,385 | 2.92% |
75 to 79 years | 5,851 | 2.04% |
80 to 84 years | 3,682 | 1.28% |
85 years and over | 3,461 | 1.21% |
TABLE OF CONTENTS
Jersey City, NJ population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Jersey City, NJ was for the group of age 30-34 years with a population of 34,441 (11.99%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Jersey City, NJ was the 85+ years with a population of 3,461 (1.21%).
Jersey City, NJ population by age cohort
To better understand the age distribution of Jersey City, NJ's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 59,805 | 20.83% |
18 to 64 years | 194,617 | 67.78% |
85 years and over | 32,724 | 11.4% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Jersey City's population under 18 was 20.83%, compared to the 22.51% nationwide.
- Jersey City's working population (between 18 and 64) was 67.78%, compared to 61.45% nationwide.
- Jersey City's elderly or the senior population (over 65 age) was 11.40% as compared to 16.04% nationwide.
Jersey City, NJ population pyramid
Population pyramid for Jersey City, NJ is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Jersey City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Jersey City, NJ, is 25.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Jersey City, NJ, is 16.2.
- Total dependency ratio for Jersey City, NJ is 41.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Jersey City, NJ is 6.2.

Here's the Jersey City, NJ's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 10,814 | 10,724 | 21,538 |
5 to 9 years | 8,209 | 8,385 | 16,594 |
10 to 14 years | 7,103 | 6,886 | 13,989 |
15 to 19 years | 6,649 | 5,934 | 12,583 |
20 to 24 years | 8,405 | 8,236 | 16,641 |
25 to 29 years | 15,937 | 14,960 | 30,897 |
30 to 34 years | 17,984 | 16,457 | 34,441 |
35 to 39 years | 14,722 | 12,939 | 27,661 |
40 to 44 years | 10,932 | 9,072 | 20,004 |
45 to 49 years | 7,985 | 8,563 | 16,548 |
50 to 54 years | 7,933 | 7,386 | 15,319 |
55 to 59 years | 7,753 | 7,642 | 15,395 |
60 to 64 years | 6,313 | 6,499 | 12,812 |
65 to 69 years | 5,328 | 6,017 | 11,345 |
70 to 74 years | 3,176 | 5,209 | 8,385 |
75 to 79 years | 2,505 | 3,346 | 5,851 |
80 to 84 years | 1,464 | 2,218 | 3,682 |
85 years and over | 1,244 | 2,217 | 3,461 |
Things to know
What is the population of Jersey City, NJ under 18?
Jersey City's population under the age of 18 is 59,805, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 20.83% of the total resident population of Jersey City, NJ.
What is the aging population in Jersey City, NJ?
Jersey City's population aged 65 years and above was 32,724. As per the U.S. Census Bureau's American Community Survey, this population is 11.40% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates