Spring Grove township

County:: McHenry County
County Seat:: No
Area (mi²):: 36.844
State:: Illinois

Spring Grove township is located in McHenry County, Illinois. Spring Grove township has a 2025 population of 917. Spring Grove township is currently declining at a rate of -0.97% annually and its population has decreased by -5.66% since the most recent census, which recorded a population of 972 in 2020.

The average household income in Spring Grove township is $77,361 with a poverty rate of 9.99%. The median age in Spring Grove township is 43.6 years: 41.1 years for males, and 45 years for females.

Demographics

The racial composition of Spring Grove township includes 88.88% White, 3.31% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	887	88.88%
Two or more races	57	5.71%
Black or African American	33	3.31%
Asian	21	2.1%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Spring Grove township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spring Grove township's average per capita income is $37,000. Household income levels show a median of $76,250. The poverty rate stands at 9.99%.

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	$85,739	-
Families	$82,344	$86,666
Households	$76,250	$77,361
Non Families	$43,871	$62,851

$37,000

Average Income

$76,250

Median Household Income

9.99%

Poverty Rate