Garrison, IA Population

Overview

324

Total Population

40.7

Median age

46.60%

Female population %

114.6:100

Gender ratio (M:F)

25-29 years

Largest age group

75.1

Total dependency ratio

White

Largest racial group

Zero

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Garrison's population is old compared to the rest of the country:

The median age in Garrison is 40.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Garrison's population under 18 was 21.30%, compared to the 22.51% nationwide.
Garrison's elderly or the senior population (over 65 age) was 24.38% as compared to 16.04% nationwide.
Of the total population in Garrison, 18.52% were under the age of 15, 17.59% aged 15 to 29, 39.51% aged 30 to 64, 23.15% aged 65 to 84, and 1.23% were 85 years of age and older.

There are 22 less females than males in Garrison:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.60% females and 53.40% males in Garrison, IA.
The Garrison, IA gender ratio is 114.6:100 i.e. 114.6 men to 100 women (1.146).
For male population, the largest age group is 25-29 years with a population of 23.
For the female population, the largest age group is 0-4 years with a population of 17.

Garrison's population is moderately diverse:

Racial distribution of Garrison population: 99.38% are White, 0.31% are Asian and 0.31% are multiracial.
Garrison's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, Zero is Hispanic or Latino (of any race), and 324 (100% of the total population) is Non-Hispanic.
The largest racial group in Garrison is White with a population of 322 (99.38% of the total population).

Garrison's population has already reached its peak and is showing a trend of decline:

The peak population was 424 in the year 2004
From 2000 to 2010, Garrison's population decreased by 42 (10.17%), as compared to the national growth of 9.63%.
From 2010 to 2020, Garrison's population decreased by 27 (7.28%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Garrison's population was lowest in year 2022 at 343.