South Ilion Flag

South Ilion

County:
Herkimer County
County Seat:
No
Area (mi²):
0.439
State:
New York

South Ilion is a CDP located in Herkimer County, New York. South Ilion has a 2025 population of 246. South Ilion is currently growing at a rate of 6.96% annually and its population has increased by 38.2% since the most recent census, which recorded a population of 178 in 2020.

The average household income in South Ilion is $125,569 with a poverty rate of 39.39%. The median age in South Ilion is 30.2 years: 9.6 years for males, and 31 years for females.

246
Total Population
560
Density (mi²)
16 6.96%
Growth

South Ilion Population

South Ilion Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Ilion includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race
Population
Percentage (of total)
White198100%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

South Ilion Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Ilion's average per capita income is $90,625. Household income levels show a median of $100,481. The poverty rate stands at 39.39%.

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
Households$100,481$125,569
Families-$34,929
Married Families--
Non Families--

$90,625

Average Income

$100,481

Median Household Income

39.39%

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)