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COUNTY · 2000 CENSUS

Dubuque County

Iowa · 89,143 residents · 608.299 sq mi
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The short version

Dubuque County has roughly average household income, with a median household income of $39,582. Population has held roughly steady since 1990. Median home value has risen by half since 1990, reaching $91,900.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 36.5
US median: 35.2
Average education
21% hold a bachelor's degree
US average: 24%
Less affordable
home values up 31%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
89,143
+3%since 1990
from 86,403 in 1990
1990 – 2025
Population density
147 / sq mi
+3%since 1990
from 142 / sq mi in 1990
US average: 242
Median age
36.5
+10%since 1990
from 33.1 in 1990
US average: 35.2
Population, 1990 – 2024
85K89K93K97K101K1990201020202024Dubuque County
202499K
1990201020202024
Section 02

Income & economy

Median household income
$39,582
+6%inflation adjusted, since 1990
from $28,276 in 1990
US average: $42,589
1990 – 2024
Per capita income
$19,600
+59%since 1990
from $12,331 in 1990
US average: $21,522
Poverty rate
7.8%
−2.5 ptssince 1990
from 10.3% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$91,900
+31%inflation adjusted, since 1990
from $53,400 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$434
+5%inflation adjusted, since 1990
from $315 in 1990
US average: $602
Owner-occupied
73.5%
+2.2 ptssince 1990
from 71.2% in 1990
26.5% rent
Afford Score
2.3
+23%since 1990
from 1.9 in 1990
1990 – 2024
RELATED:See current rent listings in Dubuque County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.9%(85,467)
Black0.4%(305)
Hispanic / Latino0.5%(444)
Asian0.5%(426)
Diversity Score3.9%(3,398)
2000
White, non-Hispanic96.5%(86,020)
Black0.8%(736)
Hispanic / Latino1.2%(1,065)
Asian0.6%(509)
Diversity Score6.4%(5,724)
Diversity Score
6
+63%since 1990
from 4 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.3%
+4.6 ptssince 1990
from 16.8% in 1990
US average: 24.4%
High school or higher
85.2%
+7.5 ptssince 1990
from 77.7% in 1990
US average: 80.3%
Graduate degree
6.8%
+1.7 ptssince 1990
from 5.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
10.4 min
−43%since 1990
from 18.1 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Dubuque County

St. Clair County
Pop 98,206
Rockdale County
Pop 98,416
Sutter County
Pop 98,787
Barrow County
Pop 99,773
Places similar to Dubuque County
Head to head

Compare Dubuque County to nearby counties

DUBUQUE COUNTY VS
Delaware County
Income$74,989+89%
Home value$177,900+94%
Population17,674−82%
SEE FULL COMPARISON →
DUBUQUE COUNTY VS
Jackson County
Income$74,186+87%
Home value$175,000+90%
Population19,288−81%
SEE FULL COMPARISON →
DUBUQUE COUNTY VS
Jones County
Income$73,531+86%
Home value$184,800+101%
Population21,253−79%
SEE FULL COMPARISON →
DUBUQUE COUNTY VS
Grant County
Income$66,858+69%
Home value$200,700+118%
Population52,446−47%
SEE FULL COMPARISON →
Frequently asked

How many people live in Dubuque County, Iowa?

Dubuque County, Iowa has about 89,143 residents according to the 2000 Census.

What is the median household income in Dubuque County, Iowa?

The typical household in Dubuque County, Iowa earns about $39,582 a year. Half of households make more than that, and half make less.

Is Dubuque County, Iowa expensive?

In Dubuque County, Iowa, the median home is worth about $91,900, and the typical rent is about $434 a month.

How educated are people in Dubuque County, Iowa?

About 21.3% of adults age 25 and over in Dubuque County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Dubuque County, Iowa?

About 7.8% of people in Dubuque County, Iowa live below the federal poverty line.

Has Dubuque County, Iowa grown since 1990?

Yes, Dubuque County, Iowa has grown since 1990. The population has added about 2,740 residents, a change of about 3 percent over that period.

Keep going

Explore from here

27 census tracts (top 20 by population)
Census Tract 102.01Census Tract 101.04Census Tract 102.02Census Tract 105Census Tract 11.04Census Tract 12.05Census Tract 101.05Census Tract 8.01Census Tract 5Census Tract 104Census Tract 9Census Tract 4Census Tract 101.03Census Tract 12.01Census Tract 7.01Census Tract 6Census Tract 103Census Tract 7.02Census Tract 8.02Census Tract 106
13 ZIP codes
ZIP 52001ZIP 52002ZIP 52003ZIP 52068ZIP 52046ZIP 52045ZIP 52073ZIP 52032ZIP 52053ZIP 52039ZIP 52078ZIP 52065ZIP 52056
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →