Tennessee Flag

Tennessee

County Seat:
No
Area (mi²):
28.68
State:
Illinois

Tennessee is located in McDonough County, Illinois. Tennessee has a 2025 population of 302 . Tennessee is currently declining at a rate of -0.98% annually and its population has decreased by -1.95% since the most recent census, which recorded a population of 308 in 2020.

The average household income in Tennessee is $82,501 with a poverty rate of 2.96%. The median age in Tennessee is 39.3 years: 41.7 years for males, and 38.6 years for females. For every 100 females there are 125.3 males.

302
Total Population
11
Density (mi²)
-3 -0.98%
Growth

Tennessee Population

Tennessee Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Tennessee includes 99.2% White, and smaller percentages for Native American and multiracial populations.

Population by Race

White (99.2%)

Native American (0.8%)

Race
Population
Percentage (of total)
White37199.2%
Native American30.8%

Tennessee Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Tennessee's average per capita income is $46,667. Household income levels show a median of $79,583. The poverty rate stands at 2.96%.

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$86,875-
Households$79,583$82,501
Families$77,188$87,699
Non Families-$64,894

$46,667

Average Income

$79,583

Median Household Income

2.96%

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)