Grand Prairie township Flag

Grand Prairie township

County Seat:
No
Area (mi²):
36.209
State:
Illinois

Grand Prairie township is located in Jefferson County, Illinois. Grand Prairie township has a 2026 population of 889. Grand Prairie township is currently growing at a rate of 0.34% annually but its population has decreased by -1.44% since the most recent census, which recorded a population of 902 in 2020.

The median household income in Grand Prairie township is $85,893 with a poverty rate of 17.02%. The median age in Grand Prairie township is 45.5 years: 46.1 years for males, and 44.7 years for females. For every 100 females there are 110.2 males.

889
Total Population
25
Density (mi²)
3 0.34%
Growth

Grand Prairie township Population

Grand Prairie township Population

Year ↓
Population
Growth
Annual Change
202688930.34%
202588630.34%
2024883-5-0.56%
2023888-2-0.22%
2022890-11-1.22%
2021901-1-0.11%
2020902-3-0.33%
2019895-2-0.22%
2018897-9-0.99%
2017906-5-0.55%
201691120.22%
2015909-1-0.11%
2014910-6-0.66%
2013916-1-0.11%
2012917-2-0.22%
2011919101.1%
2010917-2-0.22%

Median Age

Overall: 45.5 years
Female: 44.7 years
Male: 46.1 years

Grand Prairie township Adults

There are 796 adults, (209 of whom are seniors) in Grand Prairie township.

Sex Ratio

Female: 470 (47.6%)
Male: 518 (52.4%)

Demographics

The racial composition of Grand Prairie township includes 84.31% White, 3.85% Black or African American, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White83384.31%
Two or more races808.1%
Black or African American383.85%
Asian222.23%
Other race151.52%
Race
Population ↓
Percentage (of total)
Other race70.71%
White60.61%
Two or more races50.51%
Race
Population ↓
Percentage (of total)
White82783.7%
Two or more races757.59%
Black or African American383.85%
Asian222.23%
Other race80.81%

Grand Prairie township Marital Status

Economics and Income Statistics

Grand Prairie township's average per capita income is $54,259. Household income levels show a median of $85,893. The poverty rate stands at 17.02%.

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$125,057-
Families$92,250$103,260
Households$85,893$94,235
Non Families$38,125$50,208

$54,259

Average Income

$85,893

Median Household Income

17.02%

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)