Polk Flag

Polk

County:
Macoupin County
County Seat:
No
Area (mi²):
35.948
State:
Illinois

Polk is located in Macoupin County, Illinois. Polk has a 2025 population of 566 . Polk is currently declining at a rate of -0.7% annually and its population has decreased by -2.75% since the most recent census, which recorded a population of 582 in 2020.

The average household income in Polk is $100,201 with a poverty rate of 12.25%. The median age in Polk is 54.6 years: 53.9 years for males, and 57.1 years for females. For every 100 females there are 138.7 males.

566
Total Population
16
Density (mi²)
-4 -0.7%
Growth

Polk Population

Polk Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Polk includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White506100%

Polk Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Polk's average per capita income is $51,731. Household income levels show a median of $91,250. The poverty rate stands at 12.25%.

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$101,250-
Families$100,288$100,751
Households$91,250$100,201
Non Families--

$51,731

Average Income

$91,250

Median Household Income

12.25%

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)