Summit township Flag

Summit township

County Seat:
No
Area (mi²):
33.644
State:
Illinois

Summit township is located in Effingham County, Illinois. Summit township has a 2026 population of 3,746. Summit township is currently growing at a rate of 0.11% annually but its population has decreased by -1.13% since the most recent census, which recorded a population of 3,789 in 2020.

The median household income in Summit township is $111,488 with a poverty rate of 2.73%. The median age in Summit township is 46.3 years: 46.9 years for males, and 42 years for females. For every 100 females there are 108.5 males.

3.7K
Total Population
111
Density (mi²)
4 0.11%
Growth

Summit township Population

Summit township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,74640.11%
20253,74240.11%
20243,73840.11%
20233,73430.08%
20223,731-27-0.72%
20213,758-31-0.82%
20203,789-1-0.03%
20193,486-27-0.77%
20183,51320.06%
20173,511-9-0.26%
20163,520-11-0.31%
20153,53190.26%
20143,522-17-0.48%
20133,539-7-0.2%
20123,546-2-0.06%
20113,548-36-1%
20103,572-4-0.11%

Median Age

Overall: 46.3 years
Female: 42 years
Male: 46.9 years

Summit township Adults

There are 2,828 adults, (868 of whom are seniors) in Summit township.

Sex Ratio

Female: 1,795 (48%)
Male: 1,948 (52%)

Demographics

The racial composition of Summit township includes 96.9% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,62796.9%
Two or more races1092.91%
Other race70.19%
Race
Population ↓
Percentage (of total)
Other race70.19%
Race
Population ↓
Percentage (of total)
White3,62796.9%
Two or more races1092.91%

Summit township Marital Status

Economics and Income Statistics

Summit township 's average per capita income is $59,643. Household income levels show a median of $111,488. The poverty rate stands at 2.73%.

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$128,601-
Families$126,250$153,989
Households$111,488$143,705
Non Families$93,147$103,745

$59,643

Average Income

$111,488

Median Household Income

2.73%

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)