ZIP code · Dubuque · Iowa · United States

ZIP code 52002 — Dubuque

ZIP code 52002 serves Dubuque, Iowa.

Postal code
52002
Single source Value from one source, not cross-checked.
City
Dubuque
County
Dubuque FIPS 19061
State
Iowa
Country
United States
Coordinates
42.5122, -90.7384 — precision precise (locality)
View on OpenStreetMap
Population
17,931 (ZCTA, ACS 5-year)
Population density
615 / sq mi
Land area
29.2 sq mi (75.6 km²) (ZCTA, ACS 5-year)
Median household income
$88,060
Per-capita income
$43,937
Median age
39.4
Households
7,158
Housing units
7,535
Median home value
$273,400
Median gross rent
$1,051 / month
Congressional district
IA-2 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
563
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 85°F), coldest Jan (avg low 10°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F283245597181858275614633
Avg low °F101325384960646254422918
Precip in1.31.42.13.84.45.65.33.83.93.12.41.7

NOAA 1991–2020 climate normals from the nearest station: DUBUQUE L&D 11 (5.1 mi) · NOAA NCEI

Places in ZIP 52002

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page