Residential delivery area · Iowa
ZIP Code 52003: Dubuque, IA
ZIP code 52003 uses the postal name Dubuque, Iowa and lies entirely in Dubuque County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Dubuque's 3 residential ZIP codes. Median household income is $98,908 (Census Bureau, ACS 2020-2024). By Census place, 16% of its land lies in Dubuque; 84% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dubuque · 3 residential ZIPs
- County
- Dubuque County
- Census places
- Dubuque
- Metro area
- Dubuque, IA
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 56.4 sq mi · 245 people per sq mi
Where is ZIP code 52003?
52003 centers on 42.431°, -90.670° and covers 56.4 square miles of land plus 2.3 of water. It borders 8 ZIP codes: 61025, 52068, 52001, 52002, 52054, 52079, 61036, 52031.
The map draws ZIP code areas only. For the streets inside 52003, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 52003 compare with the rest of Dubuque?
| Measure | 52003 | In Dubuque | In Dubuque County | In IA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 13,796 | 3rd of 3 | 3rd of 20 | 61st of 970 |
| Median household income | $99k | 1st of 3 | 2nd of 10 | 62nd of 396 |
| Median home value | $286k | 2nd of 3 | 4th of 14 | 62nd of 423 |
Its median household income is higher than in 80% of U.S. residential ZIP codes, and it is denser than 65% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 52003?
The 2020 Census counted 14,060 people in 52003; the ACS, which samples households over 2020-2024, estimates 13,796. Between the 2010 and 2020 censuses its population grew 4.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 13,796
- 2020 Census count
- 14,060+4.6% since 2010 (13,436)
- Households
- 5,665
- Median age
- 43.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 52003?
Of the 13,796 people the ACS estimates in 52003, 23.9% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.5%).
- Under 1823.9%
- 18 to 6454.3%
- 65 and older21.7%
- White, not Hispanic94.5%
- Other or two or more3.3%
- Hispanic or Latino1.7%
- Asian, not Hispanic0.3%
- Black, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 52003 earn?
Median household income is $98,908 (ACS 2020-2024), the 2nd highest of the 10 ranked ZIP codes in Dubuque County. It is not measurably different from 2015-2019 ($92,914 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $98,908
- Income per person
- $52,172
- Below the poverty line
- 5.8%
- Unemployed (of the labor force)
- 1.6%
- Adults 25+ with a bachelor's degree
- 46.2%
- Adjusted gross income per tax return, 2022
- $156,5187,180 returns; wages 44% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 52003?
FHFA's house price index for 52003, built from repeat sales and appraisals of the same homes, rose 65% from 2015 to 2025 and rose 44% from 2020 to 2025, and moved +6.1% in 2025.
- Median home value (owners' estimate)
- $286,100
- Median gross rent
- $932
- Homes owned by their occupants
- 88.9%
- Housing units
- 5,936
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 52003?
503 business establishments had a location in this ZIP code in 2023, 30 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade77
- Construction67
- Other services (except public administration)53
- Health care and social assistance52
- Wholesale trade39
- Professional, scientific, and technical services33
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 52003?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61025 | East Dubuque, IL | 4,294 | $71k | 6.4 mi |
| 52068 | Peosta | 5,280 | $126k | 7.2 mi |
| 52001 | Dubuque | 43,101 | $62k | 8.2 mi |
| 52002 | Dubuque | 17,005 | $91k | 8.3 mi |
| 52054 | La Motte | 794 | $104k | 8.9 mi |
| 52079 | Zwingle | 995 | $101k | 10.2 mi |
| 61036 | Galena, IL | 7,121 | $82k | 15.0 mi |
| 52031 | Bellevue | 5,403 | $87k | 15.5 mi |
| 52071 | Saint Donatus | 135 | $44k | 8.0 mi (near) |
| 53811 | Hazel Green, WI | 3,093 | $83k | 10.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.