Washington Lake is located in Sibley County, Minnesota. Washington Lake has a 2025 population of 463 . Washington Lake is currently growing at a rate of 0.65% annually and its population has increased by 2.66% since the most recent census, which recorded a population of 451 in 2020.
The average household income in Washington Lake is $104,786 with a poverty rate of 5%. The median age in Washington Lake is 54.8 years: 58 years for males, and 51 years for females. For every 100 females there are 147.1 males.
Data after 2023 is projected based on recent change
The racial composition of Washington Lake includes 99.05% White, and smaller percentages for Two or more races and multiracial populations.
White (99.05%)
Two or more races (0.95%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 416 | 99.05% |
| Two or more races | 4 | 0.95% |
Married
Widowed
Divorced
Separated
Never Married
Washington Lake's average per capita income is $51,111. Household income levels show a median of $88,250. The poverty rate stands at 5%.
Name | Median | Mean |
|---|---|---|
| Families | $115,104 | $117,993 |
| Married Families | $109,375 | - |
| Households | $88,250 | $104,786 |
| Non Families | $55,000 | $66,854 |
Average Income
Median Household Income
Poverty Rate