Black Hawk County, IA Population

Overview

131,396

Total Population

35.6

Median age

50.63%

Female population %

97.5:100

Gender ratio (M:F)

20-24 years

Largest age group

53.7

Total dependency ratio

White

Largest racial group

6,12

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Black Hawk County is 35.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Black Hawk County's population under 18 was 21.95%, compared to the 22.51% nationwide.
Black Hawk County's elderly or the senior population (over 65 age) was 16.52% as compared to 16.04% nationwide.
Of the total population in Black Hawk County, 18.42% were under the age of 15, 24.92% aged 15 to 29, 40.14% aged 30 to 64, 14.55% aged 65 to 84, and 1.97% were 85 years of age and older.

There are 1,646 more females than males in Black Hawk County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.63% females and 49.37% males in Black Hawk County, IA.
The Black Hawk County, IA gender ratio is 97.5:100 i.e. 97.5 men to 100 women (0.975).
For male population, the largest age group is 20-24 years with a population of 7,089.
For the female population, the largest age group is 20-24 years with a population of 7,268.

Black Hawk County's population has become increasingly diverse:

Racial distribution of Black Hawk County population: 82.15% are White, 9.54% are Black or African American, 0.26% are American Indian and Alaska Native, 2.70% are Asian, 0.31% are Native Hawaiian and other Pacific Islander, 1.35% are some other race and 3.68% are multiracial.
Black Hawk County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 6,12 is Hispanic or Latino (of any race), and 125,276 (95.34% of the total population) is Non-Hispanic.
The largest racial group in Black Hawk County is White with a population of 107,947 (82.15% of the total population).

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

The peak population was 133,764 in the year 2015
From 2000 to 2010, Black Hawk County's population increased by 3,128 (2.44%), as compared to the national growth of 9.63%.
From 2010 to 2020, Black Hawk County's population decreased by 130 (0.10%), 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, Black Hawk County's population was lowest in year 2003 at 126,475.