Mark Flag

Mark

County:
Putnam County
County Seat:
No
Area (mi²):
1.065
State:
Illinois

Mark is a village located in Putnam County, Illinois. Mark has a 2026 population of 502. Mark is currently declining at a rate of -0.4% annually and its population has decreased by -2.71% since the most recent census, which recorded a population of 516 in 2020.

The median household income in Mark is $79,063 with a poverty rate of 10.45%. The median age in Mark is 45 years: 43.6 years for males, and 53 years for females. For every 100 females there are 154.0 males.

502
Total Population
471
Density (mi²)
-2 -0.4%
Growth

Mark Population

Mark Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026502-2-0.4%
2025504-3-0.59%
202450700%
202350710.2%
2022506-5-0.98%
2021511-5-0.97%
2020516-1-0.19%
201955010.18%
201854930.55%
2017546-1-0.18%
2016547-4-0.73%
2015551-9-1.61%
2014560-2-0.36%
2013562-7-1.23%
2012569-1-0.18%
2011570152.7%
201057130.53%

Median Age

Overall: 45 years
Female: 53 years
Male: 43.6 years

Mark Adults

There are 426 adults, (131 of whom are seniors) in Mark.

Sex Ratio

Female: 226 (39.4%)
Male: 348 (60.6%)

Demographics

The racial composition of Mark includes 99.83% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White57399.83%
Native American10.17%
Race
Population ↓
Percentage (of total)
White5910.28%
Race
Population ↓
Percentage (of total)
White51489.55%
Native American10.17%

Mark Marital Status

Economics and Income Statistics

Mark 's average per capita income is $56,750. Household income levels show a median of $79,063. The poverty rate stands at 10.45%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$108,750-
Families$83,000$99,537
Households$79,063$89,846
Non Families$39,615$63,698

$56,750

Average Income

$79,063

Median Household Income

10.45%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)