Grinnell, IA Population

Overview

9,481

Total Population

38.6

Median age

53.94%

Female population %

85.4:100

Gender ratio (M:F)

15-19 years

Largest age group

57.1

Total dependency ratio

White

Largest racial group

289

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Grinnell is 38.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Grinnell's population under 18 was 18.94%, compared to the 22.51% nationwide.
Grinnell's elderly or the senior population (over 65 age) was 21.27% as compared to 16.04% nationwide.
Of the total population in Grinnell, 15.08% were under the age of 15, 28.80% aged 15 to 29, 34.84% aged 30 to 64, 17.32% aged 65 to 84, and 3.96% were 85 years of age and older.

There are 747 more females than males in Grinnell:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.94% females and 46.06% males in Grinnell, IA.
The Grinnell, IA gender ratio is 85.4:100 i.e. 85.4 men to 100 women (0.854).
For male population, the largest age group is 15-19 years with a population of 720.
For the female population, the largest age group is 15-19 years with a population of 769.

Grinnell's population has become increasingly diverse:

Racial distribution of Grinnell population: 89.81% are White, 2.28% are Black or African American, 4.10% are Asian, 0.98% are some other race and 2.83% are multiracial.
Grinnell's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 289 is Hispanic or Latino (of any race), and 9,192 (96.95% of the total population) is Non-Hispanic.
The largest racial group in Grinnell is White with a population of 8,515 (89.81% of the total population).

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

The peak population was 9,548 in the year 2021
From 2000 to 2010, Grinnell's population increased by 119 (1.31%), as compared to the national growth of 9.63%.
From 2010 to 2020, Grinnell's population increased by 317 (3.44%), 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, Grinnell's population was lowest in year 2016 at 8,971.