Mercer is a CDP located in Iron County, Wisconsin. Mercer has a 2025 population of 537 . Mercer is currently growing at a rate of 0.19% annually and its population has increased by 5.92% since the most recent census, which recorded a population of 507 in 2020.
The average household income in Mercer is $62,148 with a poverty rate of 17.67%. The median age in Mercer is 54.4 years: 51.3 years for males, and 56.6 years for females. For every 100 females there are 80.3 males.
Data after 2023 is projected based on recent change
The racial composition of Mercer includes 98.33% White, and smaller percentages for Native American and multiracial populations.
White (98.33%)
Native American (1.67%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 530 | 98.33% |
| Native American | 9 | 1.67% |
Married
Widowed
Divorced
Separated
Never Married
Mercer's average per capita income is $36,563. Household income levels show a median of $51,528. The poverty rate stands at 17.67%.
Name | Median | Mean |
|---|---|---|
| Married Families | $76,500 | - |
| Families | $70,139 | $80,648 |
| Households | $51,528 | $62,148 |
| Non Families | $25,357 | $41,330 |
Average Income
Median Household Income
Poverty Rate