Marquette Flag

Marquette

County:
Clayton County
County Seat:
No
Area (mi²):
1.857
State:
Iowa

Marquette is a city located in Clayton County, Iowa. Marquette has a 2025 population of 434. Marquette is currently growing at a rate of 0.23% annually and its population has increased by 1.4% since the most recent census, which recorded a population of 428 in 2020.

The average household income in Marquette is $54,133 with a poverty rate of 19.68%.The median age in Marquette is 48.2 years: 50.8 years for males, and 44.8 years for females.

434
Total Population
234
Density (mi²)
1 0.23%
Growth

Marquette Population

Marquette Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marquette includes 95.37% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White41295.37%
Two or more races184.17%
Asian20.46%

Marquette Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marquette's average per capita income is $38,750. Household income levels show a median of $38,125. The poverty rate stands at 19.68%.

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
Families$46,250$66,085
Households$38,125$54,133
Non Families$34,750$46,486
Married Families--

$38,750

Average Income

$38,125

Median Household Income

19.68%

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)