Spencer Brook township

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

Spencer Brook township is located in Isanti County, Minnesota. Spencer Brook township has a 2025 population of 1,746. Spencer Brook township is currently growing at a rate of 1.1% annually and its population has increased by 4.36% since the most recent census, which recorded a population of 1,673 in 2020.

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

Demographics

The racial composition of Spencer Brook township includes 92.36% White, and smaller percentages for other race, Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,752	92.36%
Two or more races	84	4.43%
Other race	56	2.95%
Native American	5	0.26%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Spencer Brook township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spencer Brook township'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