Benton County, IA Population

Overview

25,654

Total Population

43.1

Median age

49.65%

Female population %

101.4:100

Gender ratio (M:F)

55-59 years

Largest age group

59.5

Total dependency ratio

White

Largest racial group

426

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Benton County is 43.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Benton County's population under 18 was 23.45%, compared to the 22.51% nationwide.
Benton County's elderly or the senior population (over 65 age) was 18.18% as compared to 16.04% nationwide.
Of the total population in Benton County, 19.14% were under the age of 15, 16.58% aged 15 to 29, 46.10% aged 30 to 64, 15.48% aged 65 to 84, and 2.69% were 85 years of age and older.

There are 180 less females than males in Benton County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.65% females and 50.35% males in Benton County, IA.
The Benton County, IA gender ratio is 101.4:100 i.e. 101.4 men to 100 women (1.014).
For male population, the largest age group is 55-59 years with a population of 1,033.
For the female population, the largest age group is 55-59 years with a population of 1,032.

Benton County's population has become increasingly diverse:

Racial distribution of Benton County population: 95.97% are White, 0.33% are Black or African American, 0.08% are American Indian and Alaska Native, 0.30% are Asian, 0.88% are some other race and 2.44% are multiracial.
Benton County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 426 is Hispanic or Latino (of any race), and 25,228 (98.34% of the total population) is Non-Hispanic.
The largest racial group in Benton County is White with a population of 24,621 (95.97% of the total population).

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

The peak population was 26,696 in the year 2009
From 2000 to 2010, Benton County's population increased by 733 (2.90%), as compared to the national growth of 9.63%.
From 2010 to 2020, Benton County's population decreased by 515 (1.98%), 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, Benton County's population was lowest in year 2000 at 25,316.