North Hempstead, New York population age distribution
A complete breakdown of North Hempstead town'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 | 12,690 | 5.36% |
5 to 9 years | 16,193 | 6.84% |
10 to 14 years | 16,389 | 6.92% |
15 to 19 years | 15,086 | 6.37% |
20 to 24 years | 12,778 | 5.39% |
25 to 29 years | 12,032 | 5.08% |
30 to 34 years | 12,880 | 5.44% |
35 to 39 years | 13,540 | 5.72% |
40 to 44 years | 16,333 | 6.89% |
45 to 49 years | 15,792 | 6.67% |
50 to 54 years | 16,746 | 7.07% |
55 to 59 years | 16,190 | 6.83% |
60 to 64 years | 16,723 | 7.06% |
65 to 69 years | 12,147 | 5.13% |
70 to 74 years | 11,287 | 4.76% |
75 to 79 years | 7,253 | 3.06% |
80 to 84 years | 5,195 | 2.19% |
85 years and over | 7,656 | 3.23% |
TABLE OF CONTENTS
North Hempstead, New York population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in North Hempstead, New York was for the group of age 50-54 years with a population of 16,746 (7.07%), according to the 2021 American Community Survey.
At the same time, the smallest age group in North Hempstead, New York was the 80-84 years with a population of 5,195 (2.19%).
North Hempstead, New York population by age cohort
To better understand the age distribution of North Hempstead, New York'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 | 55,102 | 23.26% |
18 to 64 years | 138,270 | 58.36% |
85 years and over | 43,538 | 18.38% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- North Hempstead town's population under 18 was 23.26%, compared to the 22.51% nationwide.
- North Hempstead town's working population (between 18 and 64) was 58.36%, compared to 61.45% nationwide.
- North Hempstead town's elderly or the senior population (over 65 age) was 18.38% as compared to 16.04% nationwide.
North Hempstead, New York population pyramid
Population pyramid for North Hempstead, New York 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 North Hempstead town's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for North Hempstead, New York, is 30.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for North Hempstead, New York, is 29.4.
- Total dependency ratio for North Hempstead, New York is 60.0.
- Potential support ratio, which is the number of youth (working age population) per elderly, for North Hempstead, New York is 3.4.

Here's the North Hempstead, New York's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 6,825 | 5,865 | 12,690 |
5 to 9 years | 9,084 | 7,109 | 16,193 |
10 to 14 years | 8,724 | 7,665 | 16,389 |
15 to 19 years | 7,804 | 7,282 | 15,086 |
20 to 24 years | 6,722 | 6,056 | 12,778 |
25 to 29 years | 5,546 | 6,486 | 12,032 |
30 to 34 years | 6,801 | 6,079 | 12,880 |
35 to 39 years | 6,415 | 7,125 | 13,540 |
40 to 44 years | 7,741 | 8,592 | 16,333 |
45 to 49 years | 8,199 | 7,593 | 15,792 |
50 to 54 years | 8,044 | 8,702 | 16,746 |
55 to 59 years | 7,606 | 8,584 | 16,190 |
60 to 64 years | 8,418 | 8,305 | 16,723 |
65 to 69 years | 5,681 | 6,466 | 12,147 |
70 to 74 years | 5,500 | 5,787 | 11,287 |
75 to 79 years | 3,282 | 3,971 | 7,253 |
80 to 84 years | 2,127 | 3,068 | 5,195 |
85 years and over | 2,594 | 5,062 | 7,656 |
Things to know
What is the population of North Hempstead, New York under 18?
North Hempstead town's population under the age of 18 is 55,102, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.26% of the total resident population of North Hempstead, New York.
What is the aging population in North Hempstead, New York?
North Hempstead town's population aged 65 years and above was 43,538. As per the U.S. Census Bureau's American Community Survey, this population is 18.38% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates