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 and multiracial populations.

Population by Race

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%

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