Lake St. Croix Beach, Minnesota Demographics & Population 2026

Population Overview

Lake St. Croix Beach is a small community located in Minnesota, within Washington County. The total population is 1,105. It ranks as the 346th most populous out of 914 Census-designated places in Minnesota.

Age Demographics

The median age in Lake St. Croix Beach is 52.7 years. This is 36% higher than the state median of 38.8 years. Only 11.7% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Lake St. Croix Beach is $102,159. This is 15% higher than the state median of $89,062. It is also 27% higher than the national median of $80,734. The poverty rate stands at 8.8%. This is 6% lower than the state poverty rate of 9.3%. The unemployment rate is 2.1%. This is 48% lower than the state rate of 4.1%. The median home value is $363,800. Housing costs are 10% higher than the state median of $329,300. The home-value-to-income ratio is 3.6x. 97.2% of occupied housing units are owner-occupied. This homeownership rate is 35% higher than the state average of 72.2%.

Race & Ethnicity

Lake St. Croix Beach has a predominantly White (non-Hispanic) population, comprising 89.4% of all residents. Asian residents account for 4.3%. The Hispanic or Latino population (0.9%) is well below the state average of 6.4%.

Education

49.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Lake St. Croix Beach in the top 10% of all cities in the state for educational attainment. This is 25% higher 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 98.6%. Notably, 21.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Lake St. Croix Beach, 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.