What city is ZIP code 52003?

ZIP code 52003 is in Dubuque, IA (Dubuque County).

What county is ZIP code 52003 in?

ZIP code 52003 is mostly in Dubuque County, Iowa.

How many people live in ZIP code 52003?

About 13,796 people live in the 52003 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 52003

Dubuque, IA, Dubuque County

Population

13,796

Land area

56.4sq mi

People per sq mi

245

City

Dubuque

ZIP 52003 and nearby ZIP codes

Full map

ZIP 52003 at a glance

ZIP 52003 (Dubuque) is about 4.3 times as dense as Iowa as a whole.
The median household income is $98,908, 32% above the Iowa median of $75,059.
A typical owner-occupied home is valued at $286,100 (38% above Iowa) and median rent is $932 a month.

Local data for ZIP 52003

Counts from official public data

Housing and community stats

ZIP 52003, American Community Survey 2020-2024

Full profile

Median household income

$98,908

Poverty rate

5.8%

Median home value

$286,100

Prices +6.0% in a year

Median rent

$932/mo

Homeownership

88.9%

Bachelor's or higher

46.2%

Median age

43.1

Average commute

15.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

503

ZIP Business Patterns 2023

Employees

9,144

$479M annual payroll

PPP loans

$63M

704 loans

Campaign donations

$533K

22% D, 40% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 52003, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: hail

Storm events since 1996

828

Countywide, mostly thunderstorm wind

Flood insurance policies

0.2% of homes, county

July high / Jan low

82° / 11°F

38.2 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 52003, CDC PLACES estimates

All 40 measures

Obesity

32.8%

U.S. 33.3% -0.5 pts

Diabetes

10.2%

U.S. 12.1% -1.9 pts

Smoking

11.7%

U.S. 12.8% -1.1 pts

Uninsured (18-64)

5.1%

U.S. 11.1% -6.0 pts

Frequently asked questions

What city is ZIP code 52003?: ZIP code 52003 is in Dubuque, IA (Dubuque County).
What county is ZIP code 52003 in?: ZIP code 52003 is mostly in Dubuque County, Iowa.
How many people live in ZIP code 52003?: About 13,796 people live in the 52003 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.