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 2026 population of 746. Garnavillo is currently declining at a rate of -0.27% annually and its population has decreased by -1.84% since the most recent census, which recorded a population of 760 in 2020.

The median household income in Garnavillo is $75,357 with a poverty rate of 12.26%. The median age in Garnavillo is 43.7 years: 38.4 years for males, and 49.8 years for females. For every 100 females there are 110.9 males.

746
Total Population
791
Density (mi²)
-2 -0.27%
Growth

Garnavillo Population

Garnavillo Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026746-2-0.27%
2025748-3-0.4%
2024751-5-0.66%
2023756-5-0.66%
2022761-1-0.13%
202176220.26%
2020760-1-0.13%
201972400%
2018724-7-0.96%
201773100%
2016731-4-0.54%
2015735-1-0.14%
2014736-1-0.14%
2013737-2-0.27%
2012739-6-0.81%
201174500%
2010747-1-0.13%

Median Age

Overall: 43.7 years
Female: 49.8 years
Male: 38.4 years

Garnavillo Adults

There are 608 adults, (222 of whom are seniors) in Garnavillo.

Sex Ratio

Female: 387 (47.4%)
Male: 429 (52.6%)

Demographics

The racial composition of Garnavillo includes 96.32% White, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White78696.32%
Other race172.08%
Two or more races131.59%
Race
Population ↓
Percentage (of total)
Other race141.72%
Two or more races20.25%
Race
Population ↓
Percentage (of total)
White78696.32%
Two or more races111.35%
Other race30.37%

Garnavillo Marital Status

Economics and Income Statistics

Garnavillo 's average per capita income is $42,500. Household income levels show a median of $75,357. The poverty rate stands at 12.26%.

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$112,260-
Families$110,288$112,587
Households$75,357$88,066
Non Families$35,909$45,324

$42,500

Average Income

$75,357

Median Household Income

12.26%

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)