Gem Lake is a city located in Anoka County, Minnesota. Gem Lake has a 2025 population of 510 . Gem Lake is currently declining at a rate of -0.97% annually and its population has decreased by -4.32% since the most recent census, which recorded a population of 533 in 2020.
The average household income in Gem Lake is $208,322 with a poverty rate of 2.3%. The median age in Gem Lake is 41.2 years: 42.5 years for males, and 39 years for females. For every 100 females there are 108.4 males.
Data after 2023 is projected based on recent change
The racial composition of Gem Lake includes 93.09% White, 4.03% Asian, and smaller percentages for Two or more races and multiracial populations.
White (93.09%)
Asian (4.03%)
Two or more races (2.88%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 485 | 93.09% |
| Asian | 21 | 4.03% |
| Two or more races | 15 | 2.88% |
Married
Widowed
Divorced
Separated
Never Married
Gem Lake's average per capita income is $71,563. Household income levels show a median of $146,250. The poverty rate stands at 2.3%.
Name | Median | Mean |
|---|---|---|
| Married Families | $156,667 | - |
| Families | $151,375 | $230,101 |
| Households | $146,250 | $208,322 |
| Non Families | - | $67,192 |
Average Income
Median Household Income
Poverty Rate