Williamsville is a city located in Wayne County, Missouri. Williamsville has a 2026 population of 270. Williamsville is currently declining at a rate of -0.37% annually and its population has decreased by -1.82% since the most recent census, which recorded a population of 275 in 2020.
The median household income in Williamsville is $30,625 with a poverty rate of 38.03%. The median age in Williamsville is 40.7 years: 44 years for males, and 40.1 years for females. For every 100 females there are 105.8 males.
Data after 2023 is projected based on recent change
Overall: 40.7 years
Female: 40.1 years
Male: 44 years
There are 209 adults, (38 of whom are seniors) in Williamsville.
Female: 138 (48.6%)
Male: 146 (51.4%)
The racial composition of Williamsville includes 82.39% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 234 | 82.39% |
| Two or more races | 50 | 17.61% |
Williamsville 's average per capita income is $26,071. Household income levels show a median of $30,625. The poverty rate stands at 38.03%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $35,000 | $46,287 |
| Households | $30,625 | $43,143 |
| Married Families | - | - |
| Non Families | - | $29,623 |
Average Income
Median Household Income
Poverty Rate