Mount Olive is located in Macoupin County, Illinois. Mount Olive has a 2025 population of 3,010 . Mount Olive is currently declining at a rate of -0.66% annually and its population has decreased by -3.22% since the most recent census, which recorded a population of 3,110 in 2020.
The average household income in Mount Olive is $80,799 with a poverty rate of 12.4%. The median age in Mount Olive is 52.1 years: 51.4 years for males, and 52.7 years for females. For every 100 females there are 106.4 males.
Data after 2023 is projected based on recent change
The racial composition of Mount Olive includes 96.61% White, and smaller percentages for Two or more races, Black or African American, Native American, other race and multiracial populations.
White (96.61%)
Two or more races (2.68%)
Black or African American (0.61%)
Native American (0.06%)
Other race (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,989 | 96.61% |
| Two or more races | 83 | 2.68% |
| Black or African American | 19 | 0.61% |
| Native American | 2 | 0.06% |
| Other race | 1 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Mount Olive's average per capita income is $46,507. Household income levels show a median of $59,226. The poverty rate stands at 12.4%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,652 | - |
| Families | $76,100 | $97,047 |
| Households | $59,226 | $80,799 |
| Non Families | $33,281 | $46,734 |
Average Income
Median Household Income
Poverty Rate