Interlaken Population

2011–2026

8,392

2026 projection

10.5% since 2020 (increase)

02K4K6K8K10K20122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Interlaken. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,392+670.80%
20258,325+1340.81%
20238,191+1521.89%
20228,039-400.50%
20218,079+4836.36%
20207,596-2212.83%
20197,817+6268.71%
20187,191+4666.93%
20176,725-130.19%
20166,738-791.16%

Showing 10 of 15 years.

Interlaken Demographics

34.3median age

Median age

Female36.6 yrs
Male32 yrs

Adults

5,640
1,199 seniors · 21%4,441 other adults

Sex

Female 46% · 3,711Male 54% · 4,357

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 81 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Interlaken Income

$109,150median household income

Median household income

$109,150

Half of households earn more, half earn less

Median earnings

$44,339

Typical yearly pay for a worker 25 or older.

Poverty rate

14.9%

About 1 in 7 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Interlaken Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%55%58%
Never married33%38%27%
Divorced8%5%11%
Widowed4%3%4%
Separated<1%0%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201