Stony Brook Flag

Stony Brook

County:
Grant County
County Seat:
No
Area (mi²):
32.953
State:
Minnesota

Stony Brook is located in Grant County, Minnesota. Stony Brook has a 2025 population of 136. Stony Brook is currently growing at a rate of 0.74% annually and its population has increased by 2.26% since the most recent census, which recorded a population of 133 in 2020.

The average household income in Stony Brook is $115,941 with a poverty rate of 0%. The median age in Stony Brook is 40.9 years: 55.5 years for males, and 40 years for females.

136
Total Population
4
Density (mi²)
1 0.74%
Growth

Stony Brook Population

Stony Brook Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Stony Brook includes 94.96% White, 5.04% other race, and smaller percentages for and multiracial populations.

Population by Race

White (95.0%)

Other race (5.0%)

Race
Population
Percentage (of total)
White11394.96%
Other race65.04%

Stony Brook Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stony Brook's average per capita income is $40,000. Household income levels show a median of $73,750. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$146,875-
Families$118,750$145,391
Households$73,750$115,941
Non Families$52,917$41,185

$40,000

Average Income

$73,750

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)