ZIP code · Saint Louis · Missouri · United States

ZIP code 63110 — Saint Louis

ZIP code 63110 serves Saint Louis, Missouri.

Postal code
63110
Single source Value from one source, not cross-checked.
City
Saint Louis
County
St. Louis (city) FIPS 29510
State
Missouri
Country
United States
Coordinates
38.6185, -90.2564 — precision precise (locality)
View on OpenStreetMap
Population
17,725 (ZCTA, ACS 5-year)
Population density
2,699 / sq mi
Land area
6.6 sq mi (17 km²) (ZCTA, ACS 5-year)
Median household income
$73,809
Per-capita income
$53,324
Median age
34.4
Households
9,151
Housing units
10,260
Median home value
$314,600
Median gross rent
$1,183 / month
Congressional district
MO-1 (119th Congress)
USDA hardiness zone
7a (0 to 5 °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
314, 557
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 90°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F414656687786908982705645
Avg low °F252838485967727062503930
Precip in2.72.33.64.84.94.74.23.83.43.23.72.6

NOAA 1991–2020 climate normals from the nearest station: ST LOUIS SCI CTR (1.2 mi) · NOAA NCEI

Places in ZIP 63110

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