Allison, IA Population

Overview

1,120

Total Population

43.7

Median age

47.14%

Female population %

112.1:100

Gender ratio (M:F)

15-19 years

Largest age group

56.9

Total dependency ratio

White

Largest racial group

6

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Allison is 43.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Allison's population under 18 was 20.45%, compared to the 22.51% nationwide.
Allison's elderly or the senior population (over 65 age) was 23.84% as compared to 16.04% nationwide.
Of the total population in Allison, 12.41% were under the age of 15, 19.91% aged 15 to 29, 43.84% aged 30 to 64, 17.68% aged 65 to 84, and 6.16% were 85 years of age and older.

There are 64 less females than males in Allison:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.14% females and 52.86% males in Allison, IA.
The Allison, IA gender ratio is 112.1:100 i.e. 112.1 men to 100 women (1.121).
For male population, the largest age group is 15-19 years with a population of 82.
For the female population, the largest age group is 25-29 years with a population of 49.

Allison's population is moderately diverse:

Racial distribution of Allison population: 99.11% are White, 0.27% are Black or African American and 0.62% are multiracial.
Allison's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 6 is Hispanic or Latino (of any race), and 1,114 (99.46% of the total population) is Non-Hispanic.
The largest racial group in Allison is White with a population of 1,11 (99.11% of the total population).

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

The peak population was 1,026 in the year 2010
From 2000 to 2010, Allison's population increased by 26 (2.60%), as compared to the national growth of 9.63%.
From 2010 to 2020, Allison's population decreased by 63 (6.14%), 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, Allison's population was lowest in year 2009 at 898.