Thebes is a village located in Alexander County, Illinois. Thebes has a 2025 population of 176 . Thebes is currently declining at a rate of -3.3% annually and its population has decreased by -14.15% since the most recent census, which recorded a population of 205 in 2020.
The average household income in Thebes is $54,870 with a poverty rate of 14.33%. The median age in Thebes is 29.3 years: 54.3 years for males, and 25.4 years for females. For every 100 females there are 36.0 males.
Data after 2023 is projected based on recent change
The racial composition of Thebes includes 96.97% White, and smaller percentages for and multiracial populations.
White (96.97%)
Two or more races (3.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 352 | 96.97% |
| Two or more races | 11 | 3.03% |
Married
Widowed
Divorced
Separated
Never Married
Thebes' average per capita income is $35,208. Household income levels show a median of $41,250. The poverty rate stands at 14.33%.
Name | Median | Mean |
|---|---|---|
| Married Families | $79,500 | - |
| Families | $61,429 | $67,898 |
| Households | $41,250 | $54,870 |
| Non Families | $22,857 | $27,307 |
Average Income
Median Household Income
Poverty Rate