Garrison is a city located in Benton County Iowa. Garrison has a 2024 population of 342. Garrison is currently declining at a rate of 0% annually and its population has decreased by -0.58% since the most recent census, which recorded a population of 344 in 2020.
The average household income in Garrison is $58,819 with a poverty rate of 22.87%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Garrison is 37.2 years, 31.8 years for males, and 40.5 years for females.
According to the most recent ACS, the racial composition of Garrison was:
White
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 125 | 2.62 | 76.8 | 23.2 |
| Married | 64 | 2.69 | 98.4 | 1.6 |
| Non Family | 34 | 1.26 | 55.9 | 44.1 |
| Male | 15 | 4.53 | 53.3 | 46.7 |
| Female | 12 | 3.75 | 50 | 50 |
3.03
Average Family Size
2.62
Average Household Size
76.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 90.67%.
The highest rate of bachelors degrees is among white people with a rate of 8%.
All
Male
Female
$32,292
Average Earnings
$41,667
Average Male
$28,906
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
99.66% of Garrison residents speak only English, while 0.34% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.34% of the population.
rate
22.87%
Overall Poverty Rate
20.12%
Male Poverty Rate
25.61%
Female Poverty Rate
The race most likely to be in poverty in Garrison is Multiple, with 50% below the poverty level.
The race least likely to be in poverty in Garrison is White, with 22.77% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 14.14%. Among those working part-time, it was 20.75%, and for those that did not work, the poverty rate was 27.66%.
Married
Widowed
Divorced
Separated
NeverMarried
52.2%
Overall Marriage Rate
49.6%
Male Marriage Rate
54.9%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
13.04%
Veteran Poverty Rate
21.74%
Veteran Disability Rate
LaborForceParticipation
62.2%
Labor Force Participation
60.6%
Employment Rate
2.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
87.2%
Born in Garrison
99.39%
Native Born
0.61%
Foreign Born
0.3%
Non Citizen
0.3%
Naturalized
99.39% of Garrison residents were born in the United States, with 87.2% having been born in Iowa. 0.3% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 339 | -1 | -0.29% |
| 2028 | 340 | 0 | 0% |
| 2027 | 340 | -1 | -0.29% |
| 2026 | 341 | 0 | 0% |
| 2025 | 341 | -1 | -0.29% |
| 2024 | 342 | 0 | 0% |
| 2023 | 342 | -1 | -0.29% |
| 2022 | 343 | -4 | -1.15% |
| 2021 | 347 | 3 | 0.87% |
| 2020 | 344 | -11 | -3.1% |
| 2019 | 355 | -1 | -0.28% |
| 2018 | 356 | -2 | -0.56% |
| 2017 | 358 | -3 | -0.83% |
| 2016 | 361 | 0 | 0% |
| 2015 | 361 | 0 | 0% |
| 2014 | 361 | -4 | -1.1% |
| 2013 | 365 | -2 | -0.54% |
| 2012 | 367 | -4 | -1.08% |
| 2011 | 371 | 0 | 0% |
| 2010 | 371 | 0 | 0% |