Dubuque County, Iowa Population 2024

98,401

Dubuque County, Iowa's estimated 2024 population is 98,401 with a growth rate of -0.14% in the past year according to the most recent United States census data. Dubuque County, Iowa is the 9th largest county in Iowa. The 2010 population was 93,933 and has seen a growth of 4.76% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202997,711-138-0.14%
202897,849-138-0.14%
202797,987-138-0.14%
202698,125-138-0.14%
202598,263-138-0.14%
202498,401-138-0.14%
202398,539-138-0.14%
202298,677-138-0.14%
202198,815-476-0.48%
202099,2911,8591.91%
201997,4324710.49%
201896,961-201-0.21%
201797,1623430.35%
201696,819-115-0.12%
201596,9343900.4%
201496,5445540.58%
201395,9908070.85%
201295,1835270.56%
201194,6567230.77%
201093,933
199086,403-7,342-7.83%
198093,7453,1363.46%
197090,60910,56113.19%
196080,0488,71112.21%
195071,3377,56911.87%
194063,7682,5544.17%
193061,2142,9525.07%
192058,2628121.41%
191057,4501,0471.86%
190056,4036,55513.15%
189049,8486,85215.94%
188042,9964,02710.33%
187038,9697,80525.04%
186031,16420,323187.46%
185010,8417,782254.4%
18403,059-94,652-96.87%
showing: 36 rows
2024 Growth Rate
-0.14% (-138)
County Website
Dubuque County
State
Iowa
County Seat
2020 Population
99,291
Area
608 mi²
Density
162 people/mi²
Growth Since 2020
-0.9% (-890)
Founded
1834

Dubuque County, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White89,61990.7%
Two or more races3,3903.43%
Black or African American2,9683%
Asian1,2781.29%
Other race7330.74%
Native Hawaiian or Pacific Islander7080.72%
Native American1160.12%
showing: 7 rows

White

Two or more races

Black or African American

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Dubuque County, Iowa Population by Race

Dubuque County, Iowa Population Pyramid 2024

Dubuque County, Iowa Median Age

38.7

Total

37.3

Male

39.8

Female

Dubuque County, Iowa Adults

There are 76,580 adults, (18,228 of whom are seniors) in Dubuque County, Iowa.

Dubuque County, Iowa Age Dependency

69.3

Age Dependency Ratio

31.2

Old Age Dependency Ratio

38.1

Child Dependency Ratio

Dubuque County, Iowa Sex Ratio

Female49,77650.37%
Male49,03649.63%

Dubuque County, Iowa Population by Age

Dubuque County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All39,9852.3773.326.7
Married20,3272.9991.18.9
Non Family14,6181.2453.646.4
Female3,1693.1752.247.8
Male1,8713.0370.729.3
showing: 5 rows

2.96

Average Family Size

2.37

Average Household Size

73.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Dubuque County, Iowa Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Dubuque County, Iowa Educational Attainment by Sex (over 25)

Dubuque County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 94.72%.

The highest rate of bachelors degrees is among asian people with a rate of 45.98%.

Dubuque County, Iowa Educational Attainment by Race

All

Male

Female

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$47,163

Average Earnings

$56,362

Average Male

$39,357

Average Female

Dubuque County, Iowa Earnings by Educational Attainment

Dubuque County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Dubuque County, Iowa Language

95.47% of Dubuque County, Iowa residents speak only English, while 4.53% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.17% of the population.

Dubuque County, Iowa Language

Dubuque County, Iowa Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White85,5317,3228.56%
Black2,6971,02938.15%
Multiple3,19453016.59%
Hispanic2,50236014.39%
Islander70825936.58%
Other7338411.46%
Asian1,252796.31%
Native8222.44%
showing: 8 rows

9.95%

Overall Poverty Rate

8.33%

Male Poverty Rate

11.53%

Female Poverty Rate

Poverty in Dubuque County, Iowa

The race most likely to be in poverty in Dubuque County, Iowa is Black, with 38.15% below the poverty level.

The race least likely to be in poverty in Dubuque County, Iowa is Native, with 2.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.58%. Among those working part-time, it was 15.78%, and for those that did not work, the poverty rate was 16.93%.

Dubuque County, Iowa Poverty

rate

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Rate
Poverty
Less Than 9th Grade13.83%
High School9.49%
Some College7.86%
Bachelors or Greater5.36%
showing: 4 rows

Dubuque County, Iowa Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed30.33%
Male Unemployed26.93%
Female Employed6.92%
Male Employed4.01%
showing: 4 rows

Dubuque County, Iowa Poverty Rate by Employment Status and Sex

Dubuque County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Dubuque County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.3%

Overall Marriage Rate

53.1%

Male Marriage Rate

51.6%

Female Marriage Rate

Dubuque County, Iowa Married by Age and Sex

male

female

Dubuque County, Iowa Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Dubuque County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Dubuque County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

5,164

Number of Veterans

4,913

Male Veterans

251

Female Veterans

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Dubuque County, Iowa Veterans by War

count

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Dubuque County, Iowa Veterans by Age

count

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Dubuque County, Iowa Veterans by Race

Dubuque County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.36%

Veteran Poverty Rate

27.71%

Veteran Disability Rate

Dubuque County, Iowa Veterans by Education

LaborForceParticipation

67.4%

Labor Force Participation

64.6%

Employment Rate

4.1%

Unemployment Rate

Dubuque County, Iowa Employment by Age

LaborForceParticipation

Dubuque County, Iowa Employment by Race

LaborForceParticipation

Dubuque County, Iowa Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

74.56%

Born in Dubuque County, Iowa

96.75%

Native Born

3.25%

Foreign Born

1.82%

Non Citizen

1.44%

Naturalized

Place of Birth

96.75% of Dubuque County, Iowa residents were born in the United States, with 74.56% having been born in Iowa. 1.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Dubuque County, Iowa Place of Birth

Sources