ZIP code · Saint Peters · Missouri · United States

ZIP code 63376 — Saint Peters

ZIP code 63376 serves Saint Peters, Missouri.

Postal code
63376
Single source Value from one source, not cross-checked.
City
Saint Peters
County
Saint Charles FIPS 29183
State
Missouri
Country
United States
Coordinates
38.7802, -90.6228 — precision precise (locality)
View on OpenStreetMap
Population
74,876 (ZCTA, ACS 5-year)
Population density
1,865 / sq mi
Land area
40.1 sq mi (104 km²) (ZCTA, ACS 5-year)
Median household income
$94,921
Per-capita income
$45,188
Median age
41
Households
29,761
Housing units
30,718
Median home value
$255,500
Median gross rent
$1,319 / month
Congressional districts
MO-3 (also MO-2) (119th Congress)
USDA hardiness zone
6b (-5 to 0 °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
636
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 88°F), coldest Jan (avg low 21°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F394556677684888781695544
Avg low °F212533435463686557453527
Precip in2.42.43.54.74.84.34.23.83.13.13.52.6

NOAA 1991–2020 climate normals from the nearest station: ST PETERS 2 SE (2.0 mi) · NOAA NCEI

Places in ZIP 63376

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