Plum Hill township Flag

Plum Hill township

County Seat:
No
Area (mi²):
37.816
State:
Illinois

Plum Hill township is located in Washington County, Illinois. Plum Hill township has a 2025 population of 485. Plum Hill township is currently declining at a rate of -0.21% annually and its population has decreased by -1.22% since the most recent census, which recorded a population of 491 in 2020.

The average household income in Plum Hill township is $116,203 with a poverty rate of 4.55%.The median age in Plum Hill township is 57.4 years: 57.3 years for males, and 58 years for females.

485
Total Population
13
Density (mi²)
-1 -0.21%
Growth

Plum Hill township Population

Plum Hill township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Plum Hill township includes 96.52% White, 3.48% Asian, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White36196.52%
Asian133.48%

Plum Hill township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plum Hill township's average per capita income is $45,787. Household income levels show a median of $97,891. The poverty rate stands at 4.55%.

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$134,250-
Families$133,250$144,882
Households$97,891$116,203
Non Families$56,250$68,841

$45,787

Average Income

$97,891

Median Household Income

4.55%

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)