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Zip Code 63128 — Saint Louis, MO

63128 is a ZIP Code associated with Saint Louis, MO, located within St. Louis. The postal region supports an estimated population of 30,540 residents across Data Pending housing units, with a population density of 756.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.493690, -90.383060)

Data Metric	Local Statistic
Postal / Zip Code	63128
Primary City	Saint Louis
State / Province	MO
County	St. Louis
Total Population	30,540
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	756.2 people/sq mi
Timezone	America/Chicago

How 63128 Compares

Metric	ZIP 63128	St. Louis County	MO State Average
Population	30,540	1,308,579	6,191,989
Median Income	Data Pending	N/A	N/A
Population Density	756.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 63127	Saint Louis	3.3 mi	5,268	N/A
Zip 63126	Saint Louis	3.9 mi	15,452	N/A
Zip 63129	Saint Louis	4.2 mi	51,553	N/A
Zip 63026	Fenton	4.2 mi	45,354	N/A
Zip 63010	Arnold	4.5 mi	34,478	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →