Thornton Flag

Thornton

County Seat:
No
Area (mi²):
1.244
State:
Iowa

Thornton is a city located in Cerro Gordo County, Iowa. Thornton has a 2025 population of 385. Thornton is currently declining at a rate of -1.03% annually and its population has decreased by -4.7% since the most recent census, which recorded a population of 404 in 2020.

The average household income in Thornton is $82,821 with a poverty rate of 6.55%.The median age in Thornton is 34.3 years: 34.8 years for males, and 30.5 years for females.

385
Total Population
310
Density (mi²)
-4 -1.03%
Growth

Thornton Population

Thornton Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Thornton includes 94.19% White, and smaller percentages for other race, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White50394.19%
Two or more races193.56%
Other race101.87%
Asian20.37%

Thornton Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Thornton's average per capita income is $50,104. Household income levels show a median of $66,979. The poverty rate stands at 6.55%.

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$76,944-
Families$73,125$90,082
Households$66,979$82,821
Non Families$51,250$55,769

$50,104

Average Income

$66,979

Median Household Income

6.55%

Poverty Rate

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)