ZIP code · Saint Paul · Minnesota · United States

ZIP code 55123 — Saint Paul

ZIP code 55123 serves Saint Paul, Minnesota.

Postal code
55123
Single source Value from one source, not cross-checked.
City
Saint Paul
County
Dakota FIPS 27037
State
Minnesota
Country
United States
Coordinates
44.8060, -93.1409 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
27,288 (ZCTA, ACS 5-year)
Population density
2,535 / sq mi
Land area
10.8 sq mi (27.9 km²) (ZCTA, ACS 5-year)
Median household income
$134,265
Per-capita income
$65,087
Median age
40.4
Households
10,199
Housing units
10,260
Median home value
$442,000
Median gross rent
$1,593 / month
Congressional district
MN-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 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 81°F), coldest Jan (avg low 3°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F222740566877817972594228
Avg low °F3720344757615850372311
Precip in1.00.91.83.14.34.94.54.43.42.91.71.2

NOAA 1991–2020 climate normals from the nearest station: ROSEMOUNT RSCH & OUTREACH CTR (6.5 mi) · NOAA NCEI

Places in ZIP 55123

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