Spring Grove township Flag

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.

917
Total Population
25
Density (mi²)
-9 -0.97%
Growth

Spring Grove township Population

Spring Grove township Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White88788.88%
Two or more races575.71%
Black or African American333.31%
Asian212.1%

Spring Grove township Marital Status

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

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

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)