Niantic is located in Macon County, Illinois. Niantic has a 2025 population of 727. Niantic is currently declining at a rate of 0% annually and its population has decreased by -3.32% since the most recent census, which recorded a population of 752 in 2020.
The average household income in Niantic is $90,099 with a poverty rate of 6%. The median age in Niantic is 35 years: 32.9 years for males, and 37.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Niantic includes 83.7% White, and smaller percentages for Native American and multiracial populations.
White (83.7%)
Two or more races (16.2%)
Native American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 719 | 83.7% |
| Two or more races | 139 | 16.18% |
| Native American | 1 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Niantic's average per capita income is $53,472. Household income levels show a median of $66,750. The poverty rate stands at 6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,889 | - |
| Families | $88,875 | $104,947 |
| Households | $66,750 | $90,099 |
| Non Families | $58,438 | $59,728 |
Average Income
Median Household Income
Poverty Rate