Spring Grove township Flag

Spring Grove township

County:
Linn County
County Seat:
No
Area (mi²):
35.528
State:
Iowa

Spring Grove township is located in Linn County, Iowa. Spring Grove township has a 2025 population of 880. Spring Grove township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Spring Grove township is $78,596 with a poverty rate of 21.25%. The median age in Spring Grove township is 39.1 years: 27.5 years for males, and 39.6 years for females.

880
Total Population
25
Density (mi²)
0 0%
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 96.59% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White85096.59%
Two or more races303.41%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Spring Grove township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spring Grove township's average per capita income is $41,583. Household income levels show a median of $64,375. The poverty rate stands at 21.25%.

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$68,750-
Households$64,375$78,596
Families$62,589$84,566
Non Families-$52,075

$41,583

Average Income

$64,375

Median Household Income

21.25%

Poverty Rate

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)