South Vienna is a village located in Clark County, Ohio. South Vienna has a 2025 population of 406 . South Vienna is currently declining at a rate of -0.25% annually and its population has decreased by -1.22% since the most recent census, which recorded a population of 411 in 2020.
The average household income in South Vienna is $79,283 with a poverty rate of 3.02%. The median age in South Vienna is 48.9 years: 47.5 years for males, and 49.5 years for females. For every 100 females there are 80.4 males.
Data after 2023 is projected based on recent change
The racial composition of South Vienna includes 98.45% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.
White (98.45%)
Black or African American (1.16%)
Two or more races (0.39%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 508 | 98.45% |
| Black or African American | 6 | 1.16% |
| Two or more races | 2 | 0.39% |
Married
Widowed
Divorced
Separated
Never Married
South Vienna's average per capita income is $42,361. Household income levels show a median of $70,833. The poverty rate stands at 3.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,917 | - |
| Families | $75,268 | $84,928 |
| Households | $70,833 | $79,283 |
| Non Families | $47,679 | $60,075 |
Average Income
Median Household Income
Poverty Rate