Jasper County, IA Population

Overview

37,686

Total Population

40.9

Median age

48.18%

Female population %

107.5:100

Gender ratio (M:F)

60-64 years

Largest age group

59.0

Total dependency ratio

White

Largest racial group

994

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Jasper County is 40.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Jasper County's population under 18 was 22.40%, compared to the 22.51% nationwide.
Jasper County's elderly or the senior population (over 65 age) was 18.68% as compared to 16.04% nationwide.
Of the total population in Jasper County, 18.42% were under the age of 15, 17.09% aged 15 to 29, 45.81% aged 30 to 64, 16.30% aged 65 to 84, and 2.37% were 85 years of age and older.

There are 1,370 less females than males in Jasper County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.18% females and 51.82% males in Jasper County, IA.
The Jasper County, IA gender ratio is 107.5:100 i.e. 107.5 men to 100 women (1.075).
For male population, the largest age group is 55-59 years with a population of 1,405.
For the female population, the largest age group is 60-64 years with a population of 1,495.

Jasper County's population has become increasingly diverse:

Racial distribution of Jasper County population: 94.36% are White, 1.71% are Black or African American, 0.23% are American Indian and Alaska Native, 0.66% are Asian, 0.61% are some other race and 2.43% are multiracial.
Jasper County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 994 is Hispanic or Latino (of any race), and 36,692 (97.36% of the total population) is Non-Hispanic.
The largest racial group in Jasper County is White with a population of 35,562 (94.36% of the total population).

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

The peak population was 37,938 in the year 2022
From 2000 to 2010, Jasper County's population decreased by 437 (1.17%), as compared to the national growth of 9.63%.
From 2010 to 2020, Jasper County's population increased by 1,000 (2.72%), 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, Jasper County's population was lowest in year 2009 at 36,404.