Story County, IA Population

Overview

98,106

Total Population

26.9

Median age

47.64%

Female population %

109.9:100

Gender ratio (M:F)

20-24 years

Largest age group

35.5

Total dependency ratio

White

Largest racial group

3,641

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Story County is 26.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Story County's population under 18 was 16.63%, compared to the 22.51% nationwide.
Story County's elderly or the senior population (over 65 age) was 12.26% as compared to 16.04% nationwide.
Of the total population in Story County, 13.91% were under the age of 15, 40.51% aged 15 to 29, 33.32% aged 30 to 64, 10.54% aged 65 to 84, and 1.72% were 85 years of age and older.

There are 4,632 less females than males in Story County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.64% females and 52.36% males in Story County, IA.
The Story County, IA gender ratio is 109.9:100 i.e. 109.9 men to 100 women (1.099).
For male population, the largest age group is 20-24 years with a population of 12,215.
For the female population, the largest age group is 20-24 years with a population of 9,094.

Story County's population has become increasingly diverse:

Racial distribution of Story County population: 84.52% are White, 2.35% are Black or African American, 0.19% are American Indian and Alaska Native, 7.60% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 1.35% are some other race and 3.97% are multiracial.
Story County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 3,641 is Hispanic or Latino (of any race), and 94,465 (96.29% of the total population) is Non-Hispanic.
The largest racial group in Story County is White with a population of 82,923 (84.52% of the total population).

Story County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 99,673 in the year 2022
From 2000 to 2010, Story County's population increased by 9,531 (11.89%), as compared to the national growth of 9.63%.
From 2010 to 2020, Story County's population increased by 8,984 (10.02%), 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, Story County's population was lowest in year 2000 at 80,130.