Flagg township Flag

Flagg township

County:
Ogle County
County Seat:
No
Area (mi²):
35.552
State:
Illinois

Flagg township is located in Ogle County, Illinois. Flagg township has a 2025 population of 13,112. Flagg township is currently declining at a rate of -0.21% annually and its population has decreased by -1.44% since the most recent census, which recorded a population of 13,303 in 2020.

The average household income in Flagg township is $83,078 with a poverty rate of 9.03%. The median age in Flagg township is 37.3 years: 36.5 years for males, and 39.8 years for females.

13.1K
Total Population
369
Density (mi²)
-28 -0.21%
Growth

Flagg township Population

Flagg township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Flagg township includes 76.14% White, 4.69% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White10,08176.14%
Two or more races1,90914.42%
Other race6214.69%
Black or African American3892.94%
Native American1631.23%
Asian770.58%
Native Hawaiian or Pacific Islander00%

Flagg township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Flagg township's average per capita income is $43,511. Household income levels show a median of $70,924. The poverty rate stands at 9.03%.

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$94,940-
Families$85,196$97,870
Households$70,924$83,078
Non Families$38,138$52,319

$43,511

Average Income

$70,924

Median Household Income

9.03%

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)