North Henderson is located in Mercer County, Illinois. North Henderson has a 2025 population of 373 . North Henderson is currently declining at a rate of -1.32% annually and its population has decreased by -3.37% since the most recent census, which recorded a population of 386 in 2020.
The average household income in North Henderson is $100,290 with a poverty rate of 0%. The median age in North Henderson is 39.3 years: 32 years for males, and 41.9 years for females. For every 100 females there are 196.7 males.
Data after 2023 is projected based on recent change
The racial composition of North Henderson includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 356 | 100% |
Married
Widowed
Divorced
Separated
Never Married
North Henderson's average per capita income is $57,143. Household income levels show a median of $70,446. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $118,750 | - |
| Families | $117,500 | $124,310 |
| Households | $70,446 | $100,290 |
| Non Families | $55,341 | $52,500 |
Average Income
Median Household Income
Poverty Rate