City ZIP codes · Missouri

Chesterfield, MO ZIP Codes

3 ZIP codes use the postal name Chesterfield, Missouri (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $127,095 in 63017 to $198,469 in 63005, 1.6 times as much (Census Bureau, ACS 2020-2024). Chesterfield's most populous ZIP code is 63017, with 43,243 people (ACS 2020-2024); 83% of its land is in the city of Chesterfield.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Chesterfield's ZIP codes?

63005: $199k median household income63017: $127k median household income630056301763005: $199k median household income63017: $127k median household income630056301763005: $199k median household income63017: $127k median household income6300563017
The 2 residential ZIP codes named Chesterfield, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Chesterfield's ZIP codes?

The highest median household income is in 63005 ($198,469), the lowest in 63017 ($127,095). Home values run from $466,100 in 63017 to $701,600 in 63005.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Chesterfield

Residential ZIP codes with the postal name Chesterfield, MO, largest first (ACS 2020-2024); sort by any column
County
63017 St. Louis County 43,243 2,245 $127k $466k
63005 St. Louis County 19,779 542 $199k $702k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Chesterfield

1 ZIP code named Chesterfield has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Chesterfield, MO: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
63006St. Louis County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Chesterfield's ZIP codes reach?

Chesterfield's residential ZIP codes lie in 2 counties: St. Louis County (2 ZIP codes mainly there), Franklin County (part of a ZIP code).

Which places do Chesterfield's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Chesterfield's residential ZIP codes cover Chesterfield itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Chesterfield's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Chesterfield starts with 630.

Three-digit prefixes of Chesterfield's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Chesterfield's
PrefixSectional centerHereAll codes
630 St Louis, MO (SCF 630) 3 65

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.