Interlaken, Utah Demographics & Population 2026

A note before these figures: with a population of 156, Interlaken's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Interlaken is a small community located in Utah, within Wasatch County. The total population is 156. It ranks as the 303rd most populous out of 326 Census-designated places in Utah.

Age Demographics

The median age in Interlaken is 62.7 years. This is 96% higher than the state median of 32.0 years. Only 3.2% of residents are under 18, indicating fewer families with children. 19.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Interlaken is $173,542. This is 82% higher than the state median of $95,166. It is also 115% higher than the national median of $80,734. The ACS records no residents below the poverty line in Interlaken. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Interlaken, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $797,200. Housing costs are 63% higher than the state median of $489,400. The home-value-to-income ratio is 4.6x. 87.1% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 70.3%.

Race & Ethnicity

Interlaken has a predominantly White (non-Hispanic) population, comprising 91.0% of all residents. Asian residents account for 9.0%. The Asian population is significantly higher than the state average (9.0% vs 2.4%).

Education

62.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Interlaken in the top 10% of all cities in the state for educational attainment. This is 67% higher than the state rate of 37.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 24.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Interlaken, Utah is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Utah state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 326 Census-designated places in Utah. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.