Sullivan township Flag

Sullivan township

County:
Moultrie County
County Seat:
No
Area (mi²):
41.284
State:
Illinois

Sullivan township is located in Moultrie County, Illinois. Sullivan township has a 2026 population of 645. Sullivan township is currently growing at a rate of 0.16% annually but its population has decreased by -1.68% since the most recent census, which recorded a population of 656 in 2020.

The median household income in Sullivan township is $79,167 with a poverty rate of 11.99%. The median age in Sullivan township is 45.8 years: 41 years for males, and 49.9 years for females. For every 100 females there are 81.8 males.

645
Total Population
16
Density (mi²)
1 0.16%
Growth

Sullivan township Population

Sullivan township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202664510.16%
202564410.16%
202464310.16%
2023642-7-1.08%
2022649-5-0.76%
2021654-2-0.3%
2020656-1-0.15%
2019668-1-0.15%
2018669-12-1.76%
2017681-1-0.15%
2016682-6-0.87%
2015688-6-0.86%
2014694-11-1.56%
2013705-8-1.12%
2012713-8-1.11%
2011721-3-0.41%
2010723-1-0.14%

Median Age

Overall: 45.8 years
Female: 49.9 years
Male: 41 years

Sullivan township Adults

There are 499 adults, (177 of whom are seniors) in Sullivan township.

Sex Ratio

Female: 335 (55%)
Male: 274 (45%)

Demographics

The racial composition of Sullivan township includes 90.8% White, 3.45% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White55390.8%
Two or more races355.75%
Other race213.45%
Race
Population ↓
Percentage (of total)
Other race213.45%
White142.3%
Two or more races132.13%
Race
Population ↓
Percentage (of total)
White53988.51%
Two or more races223.61%

Sullivan township Marital Status

Economics and Income Statistics

Sullivan township 's average per capita income is $40,375. Household income levels show a median of $79,167. The poverty rate stands at 11.99%.

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$123,625-
Families$108,500$116,148
Households$79,167$97,593
Non Families$49,375$50,136

$40,375

Average Income

$79,167

Median Household Income

11.99%

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)