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CITY

Interlaken

New Jersey · 826 residents (2025 est.) · 0.331 sq mi
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The short version

Interlaken is significantly wealthier than the US average, with a median household income of $199,167. Population has held roughly steady since 2000. 67% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than tripled since 2000, reaching $1,058,200. With a median age of 50.7, the population is older than the US median of 38.9. It ranks in the top 1% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 50.7
US median: 38.9
More educated
67% hold a bachelor's degree
US average: 36%
Less affordable
home values up 107%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
939
+4%since 2000
from 900 in 2000
1990 – 2025
Population density
2,837 / sq mi
+4%since 2000
from 2,719 / sq mi in 2000
US average: 281
Median age
50.7
+7%since 2000
from 47.6 in 2000
US average: 38.9

PEP 2025 EST:826 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
7307878449019581990201020202024Interlaken
2024939
1990201020202024
Section 02

Income & economy

Median household income
$199,167
+32%inflation adjusted, since 2000
from $82,842 in 2000
US average: $82,259
1990 – 2024
Per capita income
$92,510
+96%since 2000
from $47,307 in 2000
US average: $44,673
Households earning $100K+
87.1%
+15.3 ptssince 2009
from 71.8% in 2009
US average: 53.3%
Poverty rate
1.4%
−1.6 ptssince 2000
from 3.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.394
−12%since 2010
from 0.448 in 2010
US average: 0.476
Workforce by industry, 2024
Other services17.5%
US avg: 6.7%
Public administration14.6%
US avg: 4.8%
Information6.3%
US avg: 10.8%
Retail trade5.5%
US avg: 9.9%
Wholesale trade3.8%
US avg: 6.9%
Transportation & warehousing3.4%
US avg: 2.2%
Arts, entertainment, food2.5%
US avg: 1.9%
Finance & insurance2.1%
US avg: 5.9%
Professional, scientific, technical1.9%
US avg: 5.1%
Education & health services0.2%
US avg: 0.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$1,058,200
+107%inflation adjusted, since 2000
from $280,600 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,750
+13%inflation adjusted, since 2000
from $1,333 in 2000
US average: $1,442
Owner-occupied
93.7%
−1.9 ptssince 2000
from 95.6% in 2000
6.3% rent
Vacancy rate
10.3%
+5.2 ptssince 2009
from 5.1% in 2009
US average: 10.0%
Owner cost-burdened
20.2%
−9.6 ptssince 2009
from 29.9% in 2009
US average: 22.9%
Renter cost-burdened
17.4%
−20.1 ptssince 2009
from 37.5% in 2009
US average: 47.4%
Afford Score
5.3
+57%since 2000
from 3.4 in 2000
1990 – 2024
Gentrification Score
52
RELATED:See current rent listings in Interlaken on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.9%(881)
Black0%(0)
Hispanic / Latino1.1%(10)
Asian0.2%(2)
Other0%
Diversity Score3.3%(30)
2024
White, non-Hispanic93.2%(875)
Black0%(0)
Hispanic / Latino3.5%(33)
Asian0.6%(6)
Other2.7%(25)
Diversity Score16.2%(152)
Diversity Score
16
+388%since 2000
from 3 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
67.2%
+13.7 ptssince 2000
from 53.5% in 2000
US average: 35.6%
High school or higher
98.9%
+1.1 ptssince 2000
from 97.7% in 2000
US average: 89.6%
Graduate degree
24.6%
+2.9 ptssince 2000
from 21.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
40.1 min
+65%since 2000
from 24.2 min in 2000
US average: 26.5
Drive alone to work
52.4%
−23.1 ptssince 2009
from 75.4% in 2009
US average: 68.9%
Carpooled to work
12.0%
+7.5 ptssince 2009
from 4.5% in 2009
US average: 8.5%
Public transit
7.9%
−5.2 ptssince 2009
from 13.1% in 2009
US average: 3.2%
Worked from home
25.5%
+20.8 ptssince 2009
from 4.7% in 2009
US average: 15.0%
Walked to work
0.4%
−0.2 ptssince 2009
from 0.6% in 2009
US average: 2.4%
Biked to work
0.9%
+0.9 ptssince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
0.0%
−3.1 ptssince 2009
from 3.1% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.7%
−2.4 ptssince 2011
from 6.1% in 2011
US average: 5.2%
Labor force participation
64.9%
+3.2 ptssince 2011
from 61.6% in 2011
US average: 63.5%
Self-employed
8.9%
−4.6 ptssince 2009
from 13.5% in 2009
US average: 13.1%
Management & professional
65.5%
+0.6 ptssince 2009
from 65.0% in 2009
US average: 42.5%
Section 08

People & community

Male
49.2%
+3.1 ptssince 2009
from 46.1% in 2009
Female
50.8%
−3.1 ptssince 2009
from 53.9% in 2009
Foreign born
3.1%
+0.2 ptssince 2009
from 2.9% in 2009
US average: 14.1%
Veterans
7.0%
−40.7 ptssince 2009
from 47.7% in 2009
US average: 6.2%
With a disability
8.6%
−1.8 ptssince 2012
from 10.4% in 2012
US average: 13.3%
Uninsured
0.9%
−95.9 ptssince 2013
from 96.8% in 2013
US average: 8.4%
Broadband at home
96.4%
+1.4 ptssince 2017
from 95.0% in 2017
US average: 91.0%
English only at home
94.9%
+0.9 ptssince 2016
from 94.0% in 2016
US average: 77.7%
Spanish at home
1.5%
+0.6 ptssince 2016
from 0.9% in 2016
US average: 13.6%
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INTERLAKEN VS
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Frequently asked

How many people live in Interlaken, New Jersey?

Interlaken, New Jersey has about 939 residents according to the 2024 American Community Survey.

What is the median household income in Interlaken, New Jersey?

The typical household in Interlaken, New Jersey earns about $199,167 a year. Half of households make more than that, and half make less.

Is Interlaken, New Jersey expensive?

In Interlaken, New Jersey, the median home is worth about $1,058,200, and the typical rent is about $2,750 a month.

How educated are people in Interlaken, New Jersey?

About 67.2% of adults age 25 and over in Interlaken, New Jersey hold a bachelor's degree or higher.

What is the poverty rate in Interlaken, New Jersey?

About 1.4% of people in Interlaken, New Jersey live below the federal poverty line.

Has Interlaken, New Jersey grown since 1990?

Yes, Interlaken, New Jersey has grown since 1990. The population has added about 37 residents, a change of about 4 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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