Garnavillo Flag

Garnavillo

County:
Clayton County
County Seat:
No
Area (mi²):
0.944
State:
Iowa

Garnavillo is a city located in Clayton County, Iowa. Garnavillo has a 2025 population of 748 . Garnavillo is currently declining at a rate of -0.4% annually and its population has decreased by -1.58% since the most recent census, which recorded a population of 760 in 2020.

The average household income in Garnavillo is $85,210 with a poverty rate of 11.31%. The median age in Garnavillo is 38.8 years: 37.5 years for males, and 47.8 years for females. For every 100 females there are 101.2 males.

748
Total Population
793
Density (mi²)
-3 -0.4%
Growth

Garnavillo Population

Garnavillo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Garnavillo includes 96.2% White, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

White (96.2%)

Other race (1.96%)

Two or more races (1.84%)

Race
Population
Percentage (of total)
White78496.2%
Other race161.96%
Two or more races151.84%

Garnavillo Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Garnavillo's average per capita income is $40,714. Household income levels show a median of $81,250. The poverty rate stands at 11.31%.

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$108,500-
Families$98,750$108,822
Households$81,250$85,210
Non Families$30,417$38,180

$40,714

Average Income

$81,250

Median Household Income

11.31%

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)