Lake Marshall is located in Lyon County, Minnesota. Lake Marshall has a 2025 population of 559 . Lake Marshall is currently growing at a rate of 0.18% annually and its population has increased by 0.54% since the most recent census, which recorded a population of 556 in 2020.
The average household income in Lake Marshall is $138,602 with a poverty rate of 1.9%. The median age in Lake Marshall is 36.5 years: 35.2 years for males, and 38.5 years for females. For every 100 females there are 103.6 males.
Data after 2023 is projected based on recent change
The racial composition of Lake Marshall includes 92.46% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.
White (92.46%)
Two or more races (4.58%)
Black or African American (1.21%)
Asian (1.08%)
Other race (0.67%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 687 | 92.46% |
| Two or more races | 34 | 4.58% |
| Black or African American | 9 | 1.21% |
| Asian | 8 | 1.08% |
| Other race | 5 | 0.67% |
Married
Widowed
Divorced
Separated
Never Married
Lake Marshall's average per capita income is $58,958. Household income levels show a median of $121,000. The poverty rate stands at 1.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $150,179 | - |
| Families | $132,188 | $145,886 |
| Households | $121,000 | $138,602 |
| Non Families | $66,875 | $89,717 |
Average Income
Median Household Income
Poverty Rate