Williamson is a city located in Lucas County, Iowa. Williamson has a 2026 population of 129. Williamson is currently growing at a rate of 1.57% annually and its population has increased by 8.4% since the most recent census, which recorded a population of 119 in 2020.
The median household income in Williamson is $45,000 with a poverty rate of 35.79%. The median age in Williamson is 43.8 years: 43.6 years for males, and 53.3 years for females. For every 100 females there are 134.6 males.
Data after 2023 is projected based on recent change
Overall: 43.8 years
Female: 53.3 years
Male: 43.6 years
There are 138 adults, (38 of whom are seniors) in Williamson.
Female: 81 (42.6%)
Male: 109 (57.4%)
The racial composition of Williamson includes 93.16% White, and smaller percentages for other race, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 177 | 93.16% |
| Two or more races | 9 | 4.74% |
| Other race | 3 | 1.58% |
| Asian | 1 | 0.53% |
Williamson 's average per capita income is $39,000. Household income levels show a median of $45,000. The poverty rate stands at 35.79%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $56,875 | - |
| Families | $50,625 | $52,011 |
| Households | $45,000 | $47,803 |
| Non Families | - | $36,276 |
Average Income
Median Household Income
Poverty Rate