Overview
759
Total Population
59.3
Median age
54.81%
Female population %
82.5:100
Gender ratio (M:F)
65-69 years
Largest age group
95.6
Total dependency ratio
White
Largest racial group
16
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Interlaken's population is old compared to the rest of the country:
- The median age in Interlaken is 59.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Interlaken's population under 18 was 13.18%, compared to the 22.51% nationwide.
- Interlaken's elderly or the senior population (over 65 age) was 36.89% as compared to 16.04% nationwide.
- Of the total population in Interlaken, 11.99% were under the age of 15, 8.83% aged 15 to 29, 42.29% aged 30 to 64, 29.12% aged 65 to 84, and 7.77% were 85 years of age and older.
![Interlaken, NJ population by age group The graph shows Interlaken's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis](https://i.neilsberg.com/ch/interlaken-nj-population-by-age-group.jpeg)
Read more about Interlaken, NJ population by age ➔
Gender
There are 73 more females than males in Interlaken:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 54.81% females and 45.19% males in Interlaken, NJ.
- The Interlaken, NJ gender ratio is 82.5:100 i.e. 82.5 men to 100 women (0.825).
- For male population, the largest age group is 65-69 years with a population of 57.
- For the female population, the largest age group is 65-69 years with a population of 66.
![Interlaken, NJ population by gender and age The grouped bar chart shows Interlaken, NJ population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.](https://i.neilsberg.com/ch/interlaken-nj-population-by-gender-and-age.jpeg)
Read more about Interlaken, NJ population by gender ➔
Race / Ethnicity
Interlaken's population is moderately diverse:
- Racial distribution of Interlaken population: 94.99% are White, 1.58% are Asian and 3.43% are multiracial.
- Interlaken's racial breakdown clearly shows that there is an absolute majority of White population in the borough.
- By ethnicity, 16 is Hispanic or Latino (of any race), and 743 (97.89% of the total population) is Non-Hispanic.
- The largest racial group in Interlaken is White with a population of 721 (94.99% of the total population).
![Interlaken, NJ population by race The bar chart shows Interlaken, NJ population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.](https://i.neilsberg.com/ch/interlaken-nj-population-by-race.jpeg)
Read more about Interlaken, NJ population by race ➔
Year by year
Interlaken's population has already reached its peak and is showing a trend of decline:
- The peak population was 905 in the year 2000
- From 2000 to 2010, Interlaken's population decreased by 86 (9.50%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Interlaken's population increased by 4 (0.49%), 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, Interlaken's population was lowest in year 2019 at 790.
![Interlaken, NJ population from 2000 to 2022 The graph shows Interlaken's population from 2000 to 2022, with years on x-axis and population on y-axis](https://i.neilsberg.com/ch/population-of-interlaken-nj-population-by-year-2000-2022.jpeg)
Read more about Interlaken, NJ population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)