ZIP code · Saint Paul · Minnesota · United States

ZIP code 55128 — Saint Paul

ZIP code 55128 serves Saint Paul, Minnesota.

Postal code
55128
Single source Value from one source, not cross-checked.
City
Saint Paul
County
Washington FIPS 27163
State
Minnesota
Country
United States
Coordinates
44.9913, -92.9487 — precision precise (locality)
View on OpenStreetMap
Population
28,945 (ZCTA, ACS 5-year)
Population density
2,578 / sq mi
Land area
11.2 sq mi (29.1 km²) (ZCTA, ACS 5-year)
Median household income
$89,642
Per-capita income
$44,421
Median age
41
Households
11,845
Housing units
12,083
Median home value
$300,700
Median gross rent
$1,451 / month
Congressional district
MN-4 (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 codes
612, 651, 952, 763
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 82°F), coldest Jan (avg low 8°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F232841566978828072574128
Avg low °F81123364859636153392715

NOAA 1991–2020 climate normals from the nearest station: ST PAUL (5.0 mi) · NOAA NCEI

Places in ZIP 55128

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