Decorah, IA Population

Overview

7,767

Total Population

34.1

Median age

52.89%

Female population %

89.1:100

Gender ratio (M:F)

20-24 years

Largest age group

52.8

Total dependency ratio

White

Largest racial group

26

Hispanic population

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

TABLE OF CONTENTS

Age

Decorah's population is young compared to the rest of the country:

The median age in Decorah is 34.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Decorah's population under 18 was 14.12%, compared to the 22.51% nationwide.
Decorah's elderly or the senior population (over 65 age) was 23.07% as compared to 16.04% nationwide.
Of the total population in Decorah, 11.50% were under the age of 15, 34.54% aged 15 to 29, 30.89% aged 30 to 64, 19.20% aged 65 to 84, and 3.88% were 85 years of age and older.

There are 449 more females than males in Decorah:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.89% females and 47.11% males in Decorah, IA.
The Decorah, IA gender ratio is 89.1:100 i.e. 89.1 men to 100 women (0.891).
For male population, the largest age group is 20-24 years with a population of 615.
For the female population, the largest age group is 20-24 years with a population of 713.

Decorah's population has become increasingly diverse:

Racial distribution of Decorah population: 94.31% are White, 1.25% are Black or African American, 1.64% are Asian, 0.62% are some other race and 2.19% are multiracial.
Decorah's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 26 is Hispanic or Latino (of any race), and 7,507 (96.65% of the total population) is Non-Hispanic.
The largest racial group in Decorah is White with a population of 7,325 (94.31% of the total population).

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

The peak population was 8,175 in the year 2000
From 2000 to 2010, Decorah's population decreased by 41 (0.50%), as compared to the national growth of 9.63%.
From 2010 to 2020, Decorah's population decreased by 561 (6.90%), 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, Decorah's population was lowest in year 2019 at 7,526.