Niantic Flag

Niantic

County:
Macon County
County Seat:
No
Area (mi²):
1.039
State:
Illinois

Niantic is a village located in Macon County, Illinois. Niantic has a 2026 population of 577. Niantic is currently declining at a rate of -0.86% annually and its population has decreased by -5.25% since the most recent census, which recorded a population of 609 in 2020.

The median household income in Niantic is $67,155 with a poverty rate of 7.69%. The median age in Niantic is 33.8 years: 31.8 years for males, and 37.5 years for females. For every 100 females there are 127.5 males.

577
Total Population
555
Density (mi²)
-5 -0.86%
Growth

Niantic Population

Niantic Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026577-5-0.86%
2025582-6-1.02%
202458800%
2023588-5-0.84%
2022593-9-1.5%
2021602-7-1.15%
2020609-1-0.16%
2019652-5-0.76%
2018657-6-0.9%
2017663-8-1.19%
2016671-5-0.74%
2015676-10-1.46%
2014686-9-1.29%
2013695-4-0.57%
2012699-7-0.99%
2011706-1-0.14%
201070700%

Median Age

Overall: 33.8 years
Female: 37.5 years
Male: 31.8 years

Niantic Adults

There are 455 adults, (84 of whom are seniors) in Niantic.

Sex Ratio

Female: 295 (44%)
Male: 376 (56%)

Demographics

The racial composition of Niantic includes 81.22% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White54581.22%
Two or more races12218.18%
Native American40.6%
Race
Population ↓
Percentage (of total)
Two or more races679.99%
Race
Population ↓
Percentage (of total)
White54581.22%
Two or more races558.2%
Native American40.6%

Niantic Marital Status

Economics and Income Statistics

Niantic 's average per capita income is $58,750. Household income levels show a median of $67,155. The poverty rate stands at 7.69%.

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$91,250-
Families$81,250$98,895
Households$67,155$83,274
Non Families$63,750$60,976

$58,750

Average Income

$67,155

Median Household Income

7.69%

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)