Spencer Brook Flag

Spencer Brook

County:
Isanti County
County Seat:
No
Area (mi²):
33.725
State:
Minnesota

Spencer Brook is located in Isanti County, Minnesota. Spencer Brook has a 2025 population of 1,695 . Spencer Brook is currently declining at a rate of -0.41% annually but its population has increased by 1.38% since the most recent census, which recorded a population of 1,672 in 2020.

The average household income in Spencer Brook is $121,216 with a poverty rate of 4.43%. The median age in Spencer Brook is 41.2 years: 40.1 years for males, and 42.7 years for females. For every 100 females there are 113.9 males.

1.7K
Total Population
50
Density (mi²)
-7 -0.41%
Growth

Spencer Brook Population

Spencer Brook Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Spencer Brook includes 92.36% White, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

White (92.36%)

Two or more races (4.43%)

Other race (2.95%)

Native American (0.26%)

Race
Population
Percentage (of total)
White1,75292.36%
Two or more races844.43%
Other race562.95%
Native American50.26%

Spencer Brook Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spencer Brook's average per capita income is $58,231. Household income levels show a median of $102,222. The poverty rate stands at 4.43%.

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$129,063-
Families$114,167$131,050
Households$102,222$121,216
Non Families$74,167$80,607

$58,231

Average Income

$102,222

Median Household Income

4.43%

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)