Prairie Du Long township Flag

Prairie Du Long township

County Seat:
No
Area (mi²):
35.456
State:
Illinois

Prairie Du Long township is located in St. Clair County, Illinois. Prairie Du Long township has a 2026 population of 2,543. Prairie Du Long township is currently declining at a rate of -0.47% annually and its population has decreased by -4% since the most recent census, which recorded a population of 2,649 in 2020.

The median household income in Prairie Du Long township is $159,129 with a poverty rate of 0.46%. The median age in Prairie Du Long township is 44.1 years: 44.6 years for males, and 43.8 years for females. For every 100 females there are 93.1 males.

2.5K
Total Population
72
Density (mi²)
-12 -0.47%
Growth

Prairie Du Long township Population

Prairie Du Long township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,543-12-0.47%
20252,555-12-0.47%
20242,567-12-0.47%
20232,579-25-0.96%
20222,604-28-1.06%
20212,632-17-0.64%
20202,649-4-0.15%
20192,165-17-0.78%
20182,182-3-0.14%
20172,18570.32%
20162,178-5-0.23%
20152,183-12-0.55%
20142,195-5-0.23%
20132,200-12-0.54%
20122,212-5-0.23%
20112,217-27-1.2%
20102,21710.05%

Median Age

Overall: 44.1 years
Female: 43.8 years
Male: 44.6 years

Prairie Du Long township Adults

There are 1,966 adults, (439 of whom are seniors) in Prairie Du Long township.

Sex Ratio

Female: 1,350 (51.8%)
Male: 1,257 (48.2%)

Demographics

The racial composition of Prairie Du Long township includes 92.33% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,40792.33%
Two or more races1144.37%
Black or African American662.53%
Asian130.5%
Other race70.27%
Race
Population ↓
Percentage (of total)
White1415.41%
Two or more races261%
Other race70.27%
Race
Population ↓
Percentage (of total)
White2,26686.92%
Two or more races883.38%
Black or African American662.53%
Asian130.5%

Prairie Du Long township Marital Status

Economics and Income Statistics

Prairie Du Long township 's average per capita income is $83,026. Household income levels show a median of $159,129. The poverty rate stands at 0.46%.

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$180,817-
Families$166,250$177,270
Households$159,129$169,422
Non Families$55,507$42,700

$83,026

Average Income

$159,129

Median Household Income

0.46%

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)