Garrison Flag

Garrison

County:
Benton County
County Seat:
No
Area (mi²):
0.308
State:
Iowa

Garrison is a city located in Benton County, Iowa. Garrison has a 2026 population of 345. Garrison is currently declining at a rate of 0% annually and its population has increased by 0.29% since the most recent census, which recorded a population of 344 in 2020.

The median household income in Garrison is $60,313 with a poverty rate of 19.93%. The median age in Garrison is 41 years: 43.3 years for males, and 40.3 years for females. For every 100 females there are 108.8 males.

345
Total Population
1,121
Density (mi²)

Garrison Population

Garrison Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202634500%
202534500%
202434520.58%
2023343-3-0.87%
2022346-1-0.29%
202134730.87%
2020344-1-0.29%
2019355-1-0.28%
2018356-2-0.56%
2017358-3-0.83%
201636100%
201536100%
2014361-4-1.1%
2013365-2-0.54%
2012367-4-1.08%
201137100%
201037100%

Median Age

Overall: 41 years
Female: 40.3 years
Male: 43.3 years

Garrison Adults

There are 219 adults, (63 of whom are seniors) in Garrison.

Sex Ratio

Female: 137 (47.9%)
Male: 149 (52.1%)

Demographics

The racial composition of Garrison includes 94.41% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White27094.41%
Two or more races155.24%
Black or African American10.35%
Race
Population ↓
Percentage (of total)
Two or more races113.85%
Race
Population ↓
Percentage (of total)
White27094.41%
Two or more races41.4%
Black or African American10.35%

Garrison Marital Status

Economics and Income Statistics

Garrison 's average per capita income is $41,500. Household income levels show a median of $60,313. The poverty rate stands at 19.93%.

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$93,750-
Families$86,563$82,110
Households$60,313$69,390
Non Families$35,833$38,372

$41,500

Average Income

$60,313

Median Household Income

19.93%

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)