Keithsburg township Flag

Keithsburg township

County:
Mercer County
County Seat:
No
Area (mi²):
17.976
State:
Illinois

Keithsburg township is located in Mercer County, Illinois. Keithsburg township has a 2026 population of 634. Keithsburg township is currently declining at a rate of -0.47% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 642 in 2020.

The median household income in Keithsburg township is $44,625 with a poverty rate of 17.14%. The median age in Keithsburg township is 52.7 years: 52.3 years for males, and 56 years for females. For every 100 females there are 89.9 males.

634
Total Population
35
Density (mi²)
-3 -0.47%
Growth

Keithsburg township Population

Keithsburg township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026634-3-0.47%
2025637-3-0.47%
2024640-3-0.47%
202364300%
202264320.31%
2021641-1-0.16%
2020642-2-0.31%
201965000%
2018650-2-0.31%
201765240.62%
2016648-9-1.37%
2015657-8-1.2%
2014665-6-0.89%
2013671-7-1.03%
2012678-4-0.59%
2011682-5-0.73%
2010686-1-0.15%

Median Age

Overall: 52.7 years
Female: 56 years
Male: 52.3 years

Keithsburg township Adults

There are 411 adults, (156 of whom are seniors) in Keithsburg township.

Sex Ratio

Female: 258 (52.7%)
Male: 232 (47.3%)

Demographics

The racial composition of Keithsburg township includes 96.94% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White47596.94%
Two or more races132.65%
Other race20.41%
Race
Population ↓
Percentage (of total)
White30.61%
Other race20.41%
Race
Population ↓
Percentage (of total)
White47296.33%
Two or more races132.65%

Keithsburg township Marital Status

Economics and Income Statistics

Keithsburg township 's average per capita income is $49,519. Household income levels show a median of $44,625. The poverty rate stands at 17.14%.

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$92,083-
Families$80,625$120,539
Households$44,625$83,800
Non Families$30,302$42,823

$49,519

Average Income

$44,625

Median Household Income

17.14%

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)