Dubuque County, Iowa Population 2024

99,059

Dubuque County, Iowa's estimated 2024 population is 99,059 with a growth rate of 0.17% in the past year according to the most recent United States census data. Dubuque County, Iowa is the 8th largest county in Iowa. The 2010 population was 93,933 and has seen a growth of 5.46% since that time.

Note: data after 2022 is projected based on recent change

36 Rows

Year
Population
Growth
Change
202999,9191720.17%
202899,7471720.17%
202799,5751720.17%
202699,4031720.17%
202599,2311720.17%
202499,0591720.17%
202398,8871720.17%
202298,715-139-0.14%
202198,854-454-0.46%
202099,3081,8761.93%
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%
201093,93300%
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%
18403,059-96,860-96.94%
2024 Growth Rate
0.17% (172)
County Website
Dubuque County
State
Iowa
County Seat
Dubuque
2020 Population
99,308
Area
608 mi²
Density
163 people/mi²
Growth Since 2020
-0.25% (-249)
Founded
1834

Population by Race

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%

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

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

Education Attained
Count
Percentage
9th to 12th Grade2,6874.05%
Associates Degree7,15110.79%
Bachelors Degree14,12121.3%
Graduate Degree7,11010.73%
High School Graduate22,13833.4%
Less Than 9th Grade1,2891.94%
Some College11,78817.78%

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

Race
Total
High School
Bachelors
White61,64858,39119,896
Black1,4381,357333
2+ Races1,1641,086433
Hispanic1,152672267
Asian746657343
Other Race42419032
Islander3122756
Native American67540

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

Name
Average
Male
Female
Bachelors Degree$56,924$69,977$45,954
Graduate Degree$69,038$85,060$59,679
High School Graduate$39,737$49,825$28,796
Less Than 9th Grade$30,883$30,242$32,208
Overall$47,163$56,362$39,357
Some College$45,408$55,012$38,418

$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

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%

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

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

Dubuque County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed30.33%
Male Unemployed26.93%
Female Employed6.92%
Male Employed4.01%

Dubuque County, Iowa Poverty Rate by Employment Status and Sex

Dubuque County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$94,243$116,312
Households$73,495$95,084
Married Families$105,828$129,663
Non Families$40,613$54,639

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

War
Veterans
Vietnam2,200
First Gulf War878
Second Gulf War746
Korea433
World War II100

Dubuque County, Iowa Veterans by War

count

Age Group
Veterans
65 to 741,644
75+1,373
35 to 54922
55 to 64875
18 to 34350

Dubuque County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White4,9990.07056149959066144
Black890.04568788501026694
2+ Races440.025157232704402517
Hispanic400.023501762632197415
Islander250.06377551020408163
Other Race70.0136986301369863

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