Dubuque County, IA Population

Overview

98,687

Total Population

38.6

Median age

50.79%

Female population %

96.9:100

Gender ratio (M:F)

15-19 years

Largest age group

58.0

Total dependency ratio

White

Largest racial group

2,636

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Dubuque County is 38.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Dubuque County's population under 18 was 22.92%, compared to the 22.51% nationwide.
Dubuque County's elderly or the senior population (over 65 age) was 17.76% as compared to 16.04% nationwide.
Of the total population in Dubuque County, 18.96% were under the age of 15, 20.47% aged 15 to 29, 42.82% aged 30 to 64, 15.32% aged 65 to 84, and 2.44% were 85 years of age and older.

There are 1,561 more females than males in Dubuque County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.79% females and 49.21% males in Dubuque County, IA.
The Dubuque County, IA gender ratio is 96.9:100 i.e. 96.9 men to 100 women (0.969).
For male population, the largest age group is 15-19 years with a population of 3,734.
For the female population, the largest age group is 15-19 years with a population of 3,459.

Dubuque County's population has become increasingly diverse:

Racial distribution of Dubuque County population: 91.18% are White, 2.99% are Black or African American, 0.20% are American Indian and Alaska Native, 1.28% are Asian, 0.65% are Native Hawaiian and other Pacific Islander, 0.77% are some other race and 2.94% are multiracial.
Dubuque County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 2,636 is Hispanic or Latino (of any race), and 96,051 (97.33% of the total population) is Non-Hispanic.
The largest racial group in Dubuque County is White with a population of 89,982 (91.18% of the total population).

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

The peak population was 99,291 in the year 2020
From 2000 to 2010, Dubuque County's population increased by 4,707 (5.28%), as compared to the national growth of 9.63%.
From 2010 to 2020, Dubuque County's population increased by 5,358 (5.70%), 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, Dubuque County's population was lowest in year 2001 at 88,988.