Knoxville Flag

Knoxville

County:
Marion County
County Seat:
Yes
Area (mi²):
104.327
State:
Iowa

Knoxville is located in Marion County, Iowa. Knoxville has a 2025 population of 10,223 . It is also the county seat of Marion County . Knoxville is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Knoxville is $96,259 with a poverty rate of 8.6%. The median age in Knoxville is 41.3 years: 42.8 years for males, and 40.4 years for females. For every 100 females there are 87.5 males.

10.2K
Total Population
98
Density (mi²)

Knoxville Population

Knoxville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Knoxville includes 95.07% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (95.07%)

Two or more races (3.22%)

Asian (0.9%)

Black or African American (0.33%)

Other race (0.31%)

Native American (0.1%)

Native Hawaiian or Pacific Islander (0.07%)

Race
Population
Percentage (of total)
White9,71995.07%
Two or more races3293.22%
Asian920.9%
Black or African American340.33%
Other race320.31%
Native American100.1%
Native Hawaiian or Pacific Islander70.07%

Knoxville Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Knoxville's average per capita income is $52,813. Household income levels show a median of $76,411. The poverty rate stands at 8.6%.

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$98,955-
Families$90,819$112,192
Households$76,411$96,259
Non Families$37,917$63,155

$52,813

Average Income

$76,411

Median Household Income

8.6%

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)