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 2025 population of 344. Garrison is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 344 in 2020.

The average household income in Garrison is $66,471 with a poverty rate of 17.47%. The median age in Garrison is 40.3 years: 32 years for males, and 49.7 years for females.

Demographics

The racial composition of Garrison includes 95.89% White, and smaller percentages for Two or more races, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	280	95.89%
Two or more races	8	2.74%
Asian	3	1.03%
Black or African American	1	0.34%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Garrison Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Garrison's average per capita income is $35,781. Household income levels show a median of $57,083. The poverty rate stands at 17.47%.

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	$88,250	-
Families	$70,000	$76,523
Households	$57,083	$66,471
Non Families	$26,250	$34,942

$35,781

Average Income

$57,083

Median Household Income

17.47%

Poverty Rate