Flat Branch township Flag

Flat Branch township

County:
Shelby County
County Seat:
No
Area (mi²):
33.773
State:
Illinois

Flat Branch township is located in Shelby County, Illinois. Flat Branch township has a 2026 population of 415. Flat Branch township is currently growing at a rate of 0.24% annually but its population has decreased by -0.95% since the most recent census, which recorded a population of 419 in 2020.

The median household income in Flat Branch township is $108,056 with a poverty rate of 2.86%. The median age in Flat Branch township is 55.6 years: 51.9 years for males, and 55.8 years for females. For every 100 females there are 131.6 males.

415
Total Population
12
Density (mi²)
1 0.24%
Growth

Flat Branch township Population

Flat Branch township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202641510.24%
202541410.24%
202441310.24%
2023412-3-0.72%
2022415-4-0.95%
202141900%
2020419-2-0.48%
201943200%
2018432-2-0.46%
201743420.46%
2016432-3-0.69%
2015435-4-0.91%
2014439-1-0.23%
201344000%
201244000%
2011440-3-0.68%
2010442-1-0.23%

Median Age

Overall: 55.6 years
Female: 55.8 years
Male: 51.9 years

Flat Branch township Adults

There are 270 adults, (26 of whom are seniors) in Flat Branch township.

Sex Ratio

Female: 136 (43.2%)
Male: 179 (56.8%)

Demographics

The racial composition of Flat Branch township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White315100%
Race
Population ↓
Percentage (of total)
White315100%

Flat Branch township Marital Status

Economics and Income Statistics

Flat Branch township 's average per capita income is $70,845. Household income levels show a median of $108,056. The poverty rate stands at 2.86%.

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
Families$145,521$135,950
Married Families$145,521-
Households$108,056$126,277
Non Families--

$70,845

Average Income

$108,056

Median Household Income

2.86%

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)