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.
Data after 2023 is projected based on recent change
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.
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
---|---|---|
Married Families | $88,250 | - |
Families | $70,000 | $76,523 |
Households | $57,083 | $66,471 |
Non Families | $26,250 | $34,942 |
Average Income
Median Household Income
Poverty Rate