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 2026 population of 244. South Ilion is currently growing at a rate of 7.02% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in South Ilion is $103,333 with a poverty rate of 40%. The median age in South Ilion is 30.2 years: 9.4 years for males, and 31 years for females. For every 100 females there are 163.5 males.

244
Total Population
555
Density (mi²)
16 7.02%
Growth

South Ilion Population

South Ilion Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026244167.02%
2025228157.04%

Median Age

Overall: 30.2 years
Female: 31 years
Male: 9.4 years

South Ilion Adults

There are 110 adults, (0 of whom are seniors) in South Ilion.

Sex Ratio

Female: 74 (37.9%)
Male: 121 (62.1%)

Demographics

The racial composition of South Ilion includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White195100%
Race
Population ↓
Percentage (of total)
White195100%

South Ilion Marital Status

Economics and Income Statistics

South Ilion 's average per capita income is $92,872. Household income levels show a median of $103,333. The poverty rate stands at 40%.

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$103,333$94,682
Families-$49,454
Married Families--
Non Families--

$92,872

Average Income

$103,333

Median Household Income

40%

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)