Carroll County, IA Population

Overview

20,756

Total Population

42.0

Median age

49.90%

Female population %

100.4:100

Gender ratio (M:F)

55-59 years

Largest age group

65.5

Total dependency ratio

White

Largest racial group

606

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Carroll County is 42.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Carroll County's population under 18 was 24.00%, compared to the 22.51% nationwide.
Carroll County's elderly or the senior population (over 65 age) was 19.95% as compared to 16.04% nationwide.
Of the total population in Carroll County, 19.61% were under the age of 15, 17.83% aged 15 to 29, 42.61% aged 30 to 64, 16.77% aged 65 to 84, and 3.18% were 85 years of age and older.

There are 42 less females than males in Carroll County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.90% females and 50.10% males in Carroll County, IA.
The Carroll County, IA gender ratio is 100.4:100 i.e. 100.4 men to 100 women (1.004).
For male population, the largest age group is 55-59 years with a population of 791.
For the female population, the largest age group is 60-64 years with a population of 777.

Carroll County's population has become increasingly diverse:

Racial distribution of Carroll County population: 94.09% are White, 0.28% are Black or African American, 0.50% are American Indian and Alaska Native, 0.66% are Asian, 0.98% are some other race and 3.49% are multiracial.
Carroll County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 606 is Hispanic or Latino (of any race), and 20,15 (97.08% of the total population) is Non-Hispanic.
The largest racial group in Carroll County is White with a population of 19,529 (94.09% of the total population).

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

The peak population was 21,368 in the year 2000
From 2000 to 2010, Carroll County's population decreased by 545 (2.55%), as compared to the national growth of 9.63%.
From 2010 to 2020, Carroll County's population decreased by 102 (0.49%), 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, Carroll County's population was lowest in year 2018 at 20,101.