Garrison, Iowa Population 2024

335

Garrison is a city located in Benton County Iowa. Garrison has a 2024 population of 335. Garrison is currently declining at a rate of -1.18% annually and its population has decreased by -2.62% 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.

Garrison Demographics

According to the most recent ACS, the racial composition of Garrison was:

  • White: 99.09%
  • Two or more races: 0.61%
  • Asian: 0.3%
  • Black or African American:
  • Native American:
  • Native Hawaiian or Pacific Islander:
  • Other race:
State
Iowa
Land Area (mi²)
0.3 sq mi
Density (mi²)
1,088.50/sq mi
Growth Since 2020
-2.62% (-9)
The current population of Garrison, Iowa is 335 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 344.

Garrison, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White32599.09%
Two or more races20.61%
Asian10.3%
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Garrison Population by Race

Garrison Population Pyramid 2024

Garrison Median Age

37.2

Total

31.8

Male

40.5

Female

Garrison Adults

There are 240 adults, (74 of whom are seniors) in Garrison.

Garrison Age Dependency

97.6

Age Dependency Ratio

44.6

Old Age Dependency Ratio

53

Child Dependency Ratio

Garrison Sex Ratio

Female16450%
Male16450%

Garrison Population by Age

Garrison Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1252.6276.823.2
Married642.6998.41.6
Non Family341.2655.944.1
Male154.5353.346.7
Female123.755050
showing: 5 rows

3.03

Average Family Size

2.62

Average Household Size

76.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Garrison Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Garrison Educational Attainment by Sex (over 25)

Garrison Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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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%.

Garrison Educational Attainment by Race

All

Male

Female

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$32,292

Average Earnings

$41,667

Average Male

$28,906

Average Female

Garrison Earnings by Educational Attainment

Garrison Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Garrison Language

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.

Garrison Language

Garrison Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White3257422.77%
Multiple2150%
showing: 2 rows

22.87%

Overall Poverty Rate

20.12%

Male Poverty Rate

25.61%

Female Poverty Rate

Poverty in Garrison

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%.

Garrison Poverty

rate

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Rate
Poverty
Bachelors or Greater27.78%
High School24.76%
Some College17.07%
Less Than 9th Grade13.04%
showing: 4 rows

Garrison Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed100%
Female Employed20.63%
Male Employed13.95%
Female Unemployed
showing: 4 rows

Garrison Poverty Rate by Employment Status and Sex

Garrison Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Garrison Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.2%

Overall Marriage Rate

49.6%

Male Marriage Rate

54.9%

Female Marriage Rate

Garrison Married by Age and Sex

male

female

Garrison Marriage

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.

Garrison Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Garrison Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

23

Number of Veterans

23

Male Veterans

Female Veterans

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Garrison Veterans by War

count

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Garrison Veterans by Age

count

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Garrison Veterans by Race

Garrison Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

13.04%

Veteran Poverty Rate

21.74%

Veteran Disability Rate

Garrison Veterans by Education

LaborForceParticipation

62.2%

Labor Force Participation

60.6%

Employment Rate

2.6%

Unemployment Rate

Garrison Employment by Age

LaborForceParticipation

Garrison Employment by Race

LaborForceParticipation

Garrison Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

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

Place of Birth

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.

Garrison Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029315-4-1.25%
2028319-4-1.24%
2027323-4-1.22%
2026327-4-1.21%
2025331-4-1.19%
2024335-4-1.18%
2023339-4-1.17%
2022343-4-1.15%
202134730.87%
2020344-11-3.1%
2019355-1-0.28%
2018356-2-0.56%
2017358-3-0.83%
2016361
2015361
2014361-4-1.1%
2013365-2-0.54%
2012367-4-1.08%
2011371
2010371
showing: 20 rows

Garrison Population by Year