Olio is located in Woodford County, Illinois. Olio has a 2025 population of 4,691. Olio is currently growing at a rate of 0.19% annually but its population has decreased by -0.19% since the most recent census, which recorded a population of 4,700 in 2020.
The average household income in Olio is $77,465 with a poverty rate of 15.3%.The median age in Olio is 40 years: 32.1 years for males, and 44.8 years for females.
Data after 2023 is projected based on recent change
The racial composition of Olio includes 92.6% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
White (92.6%)
Two or more races (3.5%)
Other race (1.9%)
Black or African American (1.8%)
Asian (0.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,342 | 92.6% |
| Two or more races | 164 | 3.5% |
| Other race | 90 | 1.92% |
| Black or African American | 82 | 1.75% |
| Asian | 11 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Olio's average per capita income is $48,269. Household income levels show a median of $54,375. The poverty rate stands at 15.3%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,071 | - |
| Families | $85,918 | $99,015 |
| Households | $54,375 | $77,465 |
| Non Families | $26,154 | $49,049 |
Average Income
Median Household Income
Poverty Rate