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Zip Code 63017 — Chesterfield, MO

63017 is a ZIP Code associated with Chesterfield, MO, located within St. Louis. The postal region supports an estimated population of 43,243 residents across Data Pending housing units, with a population density of 866.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.651430, -90.537220)

Data Metric	Local Statistic
Postal / Zip Code	63017
Primary City	Chesterfield
State / Province	MO
County	St. Louis
Total Population	43,243
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	866.9 people/sq mi
Timezone	America/Chicago

How 63017 Compares

Metric	ZIP 63017	St. Louis County	MO State Average
Population	43,243	1,308,579	6,191,989
Median Income	Data Pending	N/A	N/A
Population Density	866.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 63011	Ballwin	3.5 mi	35,920	N/A
Zip 63141	Saint Louis	4.2 mi	20,932	N/A
Zip 63146	Saint Louis	4.8 mi	30,678	N/A
Zip 63131	Saint Louis	5.6 mi	17,935	N/A
Zip 63021	Ballwin	5.7 mi	55,666	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 →