Williamson is a village located in Macoupin County, Illinois. Williamson has a 2025 population of 174. Williamson is currently declining at a rate of -0.57% annually and its population has decreased by -3.87% since the most recent census, which recorded a population of 181 in 2020.
The average household income in Williamson is $62,997 with a poverty rate of 17.09%.The median age in Williamson is 55 years: 54.5 years for males, and 60.1 years for females.
Data after 2023 is projected based on recent change
The racial composition of Williamson includes 95.12% White, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 156 | 95.12% |
Two or more races | 8 | 4.88% |
Married
Widowed
Divorced
Separated
Never Married
Williamson's average per capita income is $34,167. Household income levels show a median of $56,667. The poverty rate stands at 17.09%.
Name | Median | Mean |
---|---|---|
Married Families | $86,250 | - |
Families | $57,083 | $72,343 |
Households | $56,667 | $62,997 |
Non Families | - | $42,576 |
Average Income
Median Household Income
Poverty Rate