Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IA/DUBUQUE

Dubuque ZIP codes, Iowa

Dubuque, IA has 5 ZIP codes (52001, 52002, 52003, 52004 and 52099) and area code 563. The largest is 52001.

USPS city name
5 ZIP codes
Overlapping the city
1 more
Population
59,174
Area code
563
State
Iowa

Mail addressed to Dubuque uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Dubuque in numbers

About 59,174 people live in Dubuque, in 26,131 households, the 11th-largest of Iowa's 1,017 census places. The median household income is $65,845 a year, 12% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $204,800 (about the same as the Iowa median), and median gross rent is $948 a month. The median age is 38.1; 34.0% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 15 minutes.

Population59,174Dubuque59,174
Households26,131Dubuque26,131
Median age38.1Dubuque38.1Iowa38.6US 38.9
Median household income$65,845Dubuque$65,845Iowa$75,059US $80,734
Median home value$204,800Dubuque$204,800Iowa$208,000US $332,700
Median gross rent$948Dubuque$948Iowa$972US $1,413
Bachelor's degree or higher34.0%Dubuque34.0%Iowa31.4%US 35.7%
Mean commute14.6 minDubuque14.6 minIowa19.8 minUS 26.4 min
Population density1,892 / sq miDubuque1,892 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Dubuque city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dubuque

ZIP codes with the USPS city name Dubuque
ZIP City Type Population Median income Median home
52001 Dubuque , IA Standard 43,101 $61,643 $178,000
52002 Dubuque , IA Standard 17,005 $91,036 $298,900
52003 Dubuque , IA Standard 13,796 $98,908 $286,100
52004 Dubuque , IA No street area — — —
52099 Dubuque , IA No street area — — —

Other ZIP codes overlapping Dubuque

These ZIP codes cover part of Dubuque but are addressed as somewhere else.

ZIP codes overlapping Dubuque
ZIP City Type Population Median income Median home
52068 Peosta , IA Standard 5,280 $125,901 $361,700

Map of Dubuque ZIP codes

5200152002520035200452099

The ZIP codes of Dubuque, IA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Dubuque

The nearest larger towns are Cedar Rapids (137,264 people, 62 mi), Davenport (100,913 people, 65 mi) and Iowa City (75,752 people, 72 mi).

Towns near Dubuque
TownPopulationDistance
Asbury 5,989 3.8 mi
Galena, IL 2,931 15.2 mi
Platteville, WI 11,499 20.0 mi
Dyersville 4,423 20.9 mi
Lancaster, WI 3,976 24.1 mi

More nearby: every ZIP code in Dubuque County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Dubuque, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/dubuque

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