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 2025 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 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. For every 100 females there are 105.6 males.

345
Total Population
1,121
Density (mi²)

Garrison Population

Garrison Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (95.89%)

Two or more races (2.74%)

Asian (1.03%)

Black or African American (0.34%)

Race
Population
Percentage (of total)
White28095.89%
Two or more races82.74%
Asian31.03%
Black or African American10.34%

Garrison Marital Status

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

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

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)