Interlaken, California Population 2024

8,039

Interlaken is a city located in Santa Cruz County California. Interlaken has a 2024 population of 8,039. Interlaken is currently declining at a rate of annually and its population has increased by 5.83% since the most recent census, which recorded a population of 7,596 in 2020.

The average household income in Interlaken is $137,852 with a poverty rate of 7.04%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Interlaken is 33.4 years, 30.2 years for males, and 35.8 years for females.

Interlaken Demographics

According to the most recent ACS, the racial composition of Interlaken was:

  • Other race: 39.17%
  • White: 29.59%
  • Two or more races: 27.4%
  • Asian: 1.9%
  • Black or African American: 1.02%
  • Native American: 0.91%
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
9.8 sq mi
Density (mi²)
819.70/sq mi
Growth Since 2020
5.83% (443)
The current population of Interlaken, California is 8,039 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 7,596.

Interlaken, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
Other race3,14939.17%
White2,37929.59%
Two or more races2,20327.4%
Asian1531.9%
Black or African American821.02%
Native American730.91%
Native Hawaiian or Pacific Islander
showing: 7 rows

Other race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Interlaken Population by Race

Interlaken Population Pyramid 2024

Interlaken Median Age

33.4

Total

30.2

Male

35.8

Female

Interlaken Adults

There are 5,522 adults, (1,022 of whom are seniors) in Interlaken.

Interlaken Age Dependency

78.6

Age Dependency Ratio

22.7

Old Age Dependency Ratio

55.9

Child Dependency Ratio

Interlaken Sex Ratio

Female3,76846.87%
Male4,27153.13%

Interlaken Population by Age

Interlaken Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,9454.0172.127.9
Married1,2924.7374.425.6
Non Family2701.269.330.7
Female2153.1859.140.9
Male1684.0575.624.4
showing: 5 rows

4.22

Average Family Size

4.01

Average Household Size

72.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Interlaken Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Interlaken Educational Attainment by Sex (over 25)

Interlaken Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among black people with a rate of 100%.

Interlaken Educational Attainment by Race

All

Male

Female

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$45,740

Average Earnings

$50,737

Average Male

$40,391

Average Female

Interlaken Earnings by Educational Attainment

Interlaken Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Interlaken Language

39.24% of Interlaken residents speak only English, while 60.76% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 60.41% of the population.

Interlaken Language

Interlaken Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Hispanic6,2664286.83%
Other3,1492648.38%
White1,3841369.83%
Multiple2,203522.36%
Native733750.68%
showing: 5 rows

7.04%

Overall Poverty Rate

7.21%

Male Poverty Rate

6.83%

Female Poverty Rate

Poverty in Interlaken

The race most likely to be in poverty in Interlaken is Native, with 50.68% below the poverty level.

The race least likely to be in poverty in Interlaken is Multiple, with 2.36% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.34%. Among those working part-time, it was 5.75%, and for those that did not work, the poverty rate was 19.66%.

Interlaken Poverty

rate

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Rate
Poverty
Some College12.6%
Less Than 9th Grade9%
Bachelors or Greater7.37%
High School6.29%
showing: 4 rows

Interlaken Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed8.16%
Male Employed2.38%
Female Employed2.28%
Female Unemployed
showing: 4 rows

Interlaken Poverty Rate by Employment Status and Sex

Interlaken Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Interlaken Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.2%

Overall Marriage Rate

51.4%

Male Marriage Rate

53.0%

Female Marriage Rate

Interlaken Married by Age and Sex

male

female

Interlaken Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Interlaken Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Interlaken Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

78

Number of Veterans

63

Male Veterans

15

Female Veterans

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Interlaken Veterans by War

count

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Interlaken Veterans by Age

count

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Interlaken Veterans by Race

Interlaken Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

21.79%

Veteran Disability Rate

Interlaken Veterans by Education

LaborForceParticipation

65.4%

Labor Force Participation

61.8%

Employment Rate

5.4%

Unemployment Rate

Interlaken Employment by Age

LaborForceParticipation

Interlaken Employment by Race

LaborForceParticipation

Interlaken Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

62.18%

Born in Interlaken

71.87%

Native Born

28.13%

Foreign Born

16.27%

Non Citizen

11.85%

Naturalized

Place of Birth

71.87% of Interlaken residents were born in the United States, with 62.18% having been born in California. 16.27% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Interlaken Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20248,039
20238,039
20228,039-40-0.5%
20218,0794836.36%
20207,596-221-2.83%
20197,8176268.71%
20187,1914666.93%
20176,725-13-0.19%
20166,738-79-1.16%
20156,817-137-1.97%
20146,954-204-2.85%
20137,158-177-2.41%
20127,3353334.76%
20117,002-319-4.36%
20107,321
showing: 15 rows

Interlaken Population by Year