Cass Lake, Minnesota Demographics & Population 2026

A note before these figures: with a population of 635, Cass Lake'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

Cass Lake is a small community located in Minnesota, within Cass County. The total population is 635. It ranks as the 447th most populous out of 914 Census-designated places in Minnesota.

Age Demographics

The median age in Cass Lake is 33.6 years. This is 13% lower than the state median of 38.8 years. With 35.1% of the population under 18, Cass Lake has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Cass Lake is $48,250. This is 46% lower than the state median of $89,062. It is also 40% lower than the national median of $80,734. The poverty rate stands at 22.8%. This is 145% higher than the state poverty rate of 9.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 14.8%. This is 266% higher than the state rate of 4.1%. The median home value is $109,900. Housing costs are 67% lower than the state median of $329,300. With a home-value-to-income ratio of just 2.3x, Cass Lake is one of the most affordable housing markets in the area. 37.9% of occupied housing units are owner-occupied. This homeownership rate is 47% lower than the state average of 72.2%.

Race & Ethnicity

Cass Lake is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 3.0%. The White (non-Hispanic) population (13.2%) is well below the state average of 75.9%. The Black or African American population (0.9%) is well below the state average of 7.0%. The Hispanic or Latino population (3.0%) is well below the state average of 6.4%. The Asian population (0.5%) is well below the state average of 5.1%.

Education

21.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 39.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.6%.

Data Sources & Methodology

All demographic data for Cass Lake, Minnesota 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 Minnesota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 914 Census-designated places in Minnesota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.