Mark is a village located in Putnam County, Illinois. Mark has a 2025 population of 504 . Mark is currently declining at a rate of -0.59% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 516 in 2020.
The average household income in Mark is $95,147 with a poverty rate of 4.79%. The median age in Mark is 45 years: 44.4 years for males, and 51.3 years for females. For every 100 females there are 157.1 males.
Data after 2023 is projected based on recent change
The racial composition of Mark includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 522 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Mark's average per capita income is $53,333. Household income levels show a median of $79,911. The poverty rate stands at 4.79%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,500 | - |
| Families | $94,219 | $105,175 |
| Households | $79,911 | $95,147 |
| Non Families | $41,786 | $70,234 |
Average Income
Median Household Income
Poverty Rate