Niantic township Flag

Niantic township

County:
Macon County
County Seat:
No
Area (mi²):
29.107
State:
Illinois

Niantic township is located in Macon County, Illinois. Niantic township has a 2026 population of 711. Niantic township is currently declining at a rate of -0.7% annually and its population has decreased by -5.33% since the most recent census, which recorded a population of 751 in 2020.

The median household income in Niantic township is $86,875 with a poverty rate of 6.3%. The median age in Niantic township is 39.2 years: 35.4 years for males, and 40.4 years for females. For every 100 females there are 120.1 males.

711
Total Population
24
Density (mi²)
-5 -0.7%
Growth

Niantic township Population

Niantic township Population

Year ↓
Population
Growth
Annual Change
2026711-5-0.7%
2025716-5-0.69%
2024721-2-0.28%
2023723-7-0.96%
2022730-12-1.62%
2021742-9-1.2%
2020751-1-0.13%
2019783-3-0.38%
2018786-9-1.13%
2017795-7-0.87%
2016802-9-1.11%
2015811-9-1.1%
2014820-10-1.2%
2013830-5-0.6%
2012835-8-0.95%
201184310.12%
201084400%

Median Age

Overall: 39.2 years
Female: 40.4 years
Male: 35.4 years

Niantic township Adults

There are 596 adults, (135 of whom are seniors) in Niantic township.

Sex Ratio

Female: 369 (45.4%)
Male: 443 (54.6%)

Demographics

The racial composition of Niantic township includes 81.28% White, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White66081.28%
Two or more races12815.76%
Other race202.46%
Native American40.49%
Race
Population ↓
Percentage (of total)
Two or more races678.25%
Other race202.46%
Race
Population ↓
Percentage (of total)
White66081.28%
Two or more races617.51%
Native American40.49%

Niantic township Marital Status

Economics and Income Statistics

Niantic township's average per capita income is $53,250. Household income levels show a median of $86,875. The poverty rate stands at 6.3%.

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$99,063-
Families$98,906$107,907
Households$86,875$92,342
Non Families$63,750$60,976

$53,250

Average Income

$86,875

Median Household Income

6.3%

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)