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City ZIP codes · Missouri

Saint Louis, MO ZIP Codes

68 ZIP codes use the postal name Saint Louis, Missouri (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 46 residential and 22 for PO boxes or a single organization. Median household income runs from $30,622 in 63115 to $225,493 in 63131, 7.4 times as much (Census Bureau, ACS 2020-2024). Saint Louis's most populous ZIP code is 63129, with 51,553 people (ACS 2020-2024); 0% of its land is in the city of Saint Louis.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Saint Louis's ZIP codes?

63101: $67k median household income63102: $66k median household income63103: $41k median household income63104: $69k median household income63105: $116k median household income63106: $21k median household income63107: $44k median household income63108: $55k median household income63109: $70k median household income63110: $82k median household income63111: $47k median household income63112: $46k median household income63113: $40k median household income63114: $56k median household income63115: $31k median household income63116: $61k median household income63117: $91k median household income63118: $58k median household income63119: $106k median household income63120: $35k median household income63121: $43k median household income63122: $136k median household income63123: $77k median household income63124: $194k median household income63125: $62k median household income63126: $99k median household income63127: $123k median household income63128: $92k median household income63129: $95k median household income63130: $86k median household income63131: $226k median household income63132: $87k median household income63133: $39k median household income63134: $45k median household income63135: $52k median household income63136: $41k median household income63137: $43k median household income63138: $56k median household income63139: $76k median household income63140: $46k median household income63141: $134k median household income63143: $66k median household income63144: $104k median household income63146: $85k median household income63147: $41k median household income63155: – median household income63129631466313863128631236312263141631316314763125631366311463134631196312463137631216311063116631276311163135631306313263104631336313963126631136312063118631176310563108631036310663101: $67k median household income63102: $66k median household income63103: $41k median household income63104: $69k median household income63105: $116k median household income63106: $21k median household income63107: $44k median household income63108: $55k median household income63109: $70k median household income63110: $82k median household income63111: $47k median household income63112: $46k median household income63113: $40k median household income63114: $56k median household income63115: $31k median household income63116: $61k median household income63117: $91k median household income63118: $58k median household income63119: $106k median household income63120: $35k median household income63121: $43k median household income63122: $136k median household income63123: $77k median household income63124: $194k median household income63125: $62k median household income63126: $99k median household income63127: $123k median household income63128: $92k median household income63129: $95k median household income63130: $86k median household income63131: $226k median household income63132: $87k median household income63133: $39k median household income63134: $45k median household income63135: $52k median household income63136: $41k median household income63137: $43k median household income63138: $56k median household income63139: $76k median household income63140: $46k median household income63141: $134k median household income63143: $66k median household income63144: $104k median household income63146: $85k median household income63147: $41k median household income63155: – median household income631296314663138631286312363122631416313163147631256313663114631346311963124631376312163110631166312763111631306313263104631336311363101: $67k median household income63102: $66k median household income63103: $41k median household income63104: $69k median household income63105: $116k median household income63106: $21k median household income63107: $44k median household income63108: $55k median household income63109: $70k median household income63110: $82k median household income63111: $47k median household income63112: $46k median household income63113: $40k median household income63114: $56k median household income63115: $31k median household income63116: $61k median household income63117: $91k median household income63118: $58k median household income63119: $106k median household income63120: $35k median household income63121: $43k median household income63122: $136k median household income63123: $77k median household income63124: $194k median household income63125: $62k median household income63126: $99k median household income63127: $123k median household income63128: $92k median household income63129: $95k median household income63130: $86k median household income63131: $226k median household income63132: $87k median household income63133: $39k median household income63134: $45k median household income63135: $52k median household income63136: $41k median household income63137: $43k median household income63138: $56k median household income63139: $76k median household income63140: $46k median household income63141: $134k median household income63143: $66k median household income63144: $104k median household income63146: $85k median household income63147: $41k median household income63155: – median household income631296314663138631286312363122631416313163147631256311463134631196313763110
The 46 residential ZIP codes named Saint Louis, 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 Saint Louis's ZIP codes?

The highest median household income is in 63131 ($225,493), the lowest in 63115 ($30,622). Home values run from $53,500 in 63120 to $988,600 in 63124.

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

All 46 residential ZIP codes of Saint Louis

Residential ZIP codes with the postal name Saint Louis, MO, largest first (ACS 2020-2024); sort by any column
County
63129 St. Louis County 51,553 2,466 $95k $296k
63123 St. Louis County 49,077 3,941 $77k $219k
63116 St. Louis city 42,170 7,808 $61k $174k
63122 St. Louis County 41,634 2,875 $136k $474k
63136 St. Louis County 40,929 3,750 $41k $84k
63119 St. Louis County 34,181 4,077 $106k $351k
63114 St. Louis County 33,969 3,845 $56k $117k
63125 St. Louis County 33,294 3,353 $62k $179k
63146 St. Louis County 30,678 1,977 $85k $302k
63128 St. Louis County 30,540 1,952 $92k $339k
63130 St. Louis County 28,910 5,736 $86k $316k
63118 St. Louis city 25,913 7,621 $58k $221k
63109 St. Louis city 25,236 7,137 $70k $265k
63121 St. Louis County 25,008 3,693 $43k $96k
63139 St. Louis city 21,631 5,666 $76k $210k
63108 St. Louis city 21,336 9,517 $55k $372k
63141 St. Louis County 20,932 1,425 $134k $621k
63137 St. Louis County 19,684 2,781 $43k $83k
63104 St. Louis city 19,007 5,650 $69k $269k
63105 St. Louis County 18,875 7,508 $116k $766k
63111 St. Louis city 18,851 5,871 $47k $128k
63135 St. Louis County 18,381 2,962 $52k $107k
63138 St. Louis County 18,233 984 $56k $139k
63112 St. Louis city 17,985 5,668 $46k $213k
63131 St. Louis County 17,935 1,316 $226k $778k
63110 St. Louis city 17,645 2,686 $82k $340k
63126 St. Louis County 15,452 3,361 $99k $306k
63115 St. Louis city 14,488 3,376 $31k $76k
63132 St. Louis County 14,283 2,746 $87k $417k
63134 St. Louis County 13,059 1,575 $45k $95k
63124 St. Louis County 10,839 1,214 $194k $989k
63113 St. Louis city 10,221 3,962 $40k $82k
63144 St. Louis County 9,505 4,174 $104k $305k
63117 St. Louis County 9,261 3,914 $91k $349k
63143 St. Louis County 8,975 4,382 $66k $236k
63107 St. Louis city 8,909 3,801 $44k $64k
63103 St. Louis city 8,778 3,995 $41k $203k
63147 St. Louis city 8,173 1,377 $41k $79k
63120 St. Louis city 6,790 2,848 $35k $54k
63106 St. Louis city 6,751 3,029 $21k $214k
63133 St. Louis County 6,569 2,018 $39k $65k
63127 St. Louis County 5,268 910 $123k $583k
63101 St. Louis city 3,130 8,646 $67k $223k
63102 St. Louis city 2,882 2,035 $66k $192k
63140 St. Louis County 316 601 $46k $84k
63155 St. Louis city no residents 0 – –

Download the 68 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 Saint Louis

22 ZIP codes named Saint Louis have 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.

Saint Louis, 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
63145St. Louis County
63150St. Louis city
63151St. Louis County
63156St. Louis city
63157St. Louis city
63158St. Louis city
63160St. Louis city
63163St. Louis city
63164St. Louis city
63166St. Louis city
63167St. Louis County
63169St. Louis city
63171St. Louis city
63177St. Louis city
63178St. Louis city
63179St. Louis city
63180St. Louis city
63182St. Louis city
63188St. Louis city
63195St. Louis city
63197St. Louis city
63199St. Louis city

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

Which counties do Saint Louis's ZIP codes reach?

St. Louis city (FIPS 29510) is the independent city of St. Louis, a county-equivalent. All 28 residential ZIP codes of St. Louis city are among Saint Louis's 46, listed here (the County column of the table marks them).

Saint Louis's residential ZIP codes lie in 2 counties: St. Louis city (19 ZIP codes mainly there), St. Louis County (27 ZIP codes mainly there).

Which places do Saint Louis's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Saint Louis's residential ZIP codes cover 82 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

And 34 more places, each named on its ZIP code's page.

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

Which first three digits do Saint Louis'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 Saint Louis starts with 631.

Three-digit prefixes of Saint Louis'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 Saint Louis's
PrefixSectional centerHereAll codes
631 St Louis, MO (SCF 630) 68 68

All 68 ZIP codes that start with 631 are Saint Louis's: 46 residential codes and 22 PO Box or unique codes, sorted at St Louis, MO (SCF 630).

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