Elba is located in Knox County, Illinois. Elba has a 2025 population of 248 . Elba is currently declining at a rate of -0.8% annually and its population has decreased by -3.5% since the most recent census, which recorded a population of 257 in 2020.
The average household income in Elba is $110,269 with a poverty rate of 0%. The median age in Elba is 50 years: 63 years for males, and 45.9 years for females. For every 100 females there are 94.1 males.
Data after 2023 is projected based on recent change
The racial composition of Elba includes 95.45% White, and smaller percentages for and multiracial populations.
White (95.45%)
Two or more races (4.55%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 126 | 95.45% |
| Two or more races | 6 | 4.55% |
Married
Widowed
Divorced
Separated
Never Married
Elba's average per capita income is $60,250. Household income levels show a median of $106,667. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Families | $121,964 | $134,749 |
| Married Families | $121,964 | - |
| Households | $106,667 | $110,269 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate