Garnavillo demographics profile

Population density (sq mi)8065591
Median age47.338.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)51%60%55%
Speak English98%92%79%
Speak Spanish1%4%13%
Garnavillo, IA has a population of 824 and is the 16,395th largest city in the United States. The population density is 806 per sq mi which is 1375% higher than the Iowa average and 790% higher than the national average. The median age in Garnavillo is 47 which is approximately 24% higher than the Iowa average of 38. In Garnavillo, 51% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 69% of Garnavillo residents were born in Iowa, 30% were born out of state, 0% were born outside of the United States and 1% were foreign born.

Did you know?

  • The population density in Garnavillo is 1375% higher than Iowa.
  • The median age in Garnavillo is 24% higher than Iowa.
  • In Garnavillo 98.42% of the population is White.
  • In Garnavillo 0.24% of the population is African American.
  • In Garnavillo 0.00% of the population is Asian.

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Garnavillo population breakdown by race

African American0.24%3.32%12.63%
American Indian0.12%0.32%0.82%
Native Hawaiian0.00%0.08%0.18%
Mixed race1.21%1.97%3.06%
Other race0.00%1.27%4.75%
In Garnavillo, 1.6% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Garnavillo age breakdown

Marital status

Age of children in married couples

Source: The Garnavillo, IA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).