St. Louis
Source:
Missouri
St. Louis is a megacounty-scale in Missouri with 44 ZIP codes, 1,028,344 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, St. Louis, MO sits among US counties with a top-decile household income, on a megacounty-scale population base, across a wide multi-ZIP mosaic.
- Top 9%
- household income vs 3,210 US counties
- 1,028,344
- combined ZIP population
- 44
- USPS ZIP codes covered
- $95,134
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
St. Louis lands in the national county income distribution as top-decile household income on megacounty-scale footing (FIPS 29189, 44 ZIPs, combined population 1,028,344). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 63021 (Ballwin) with 56,261 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 29189, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
44
Total ZIPs
1,028,344
Total Population
ZIP Codes in St. Louis
Side-by-side: Compare 63021 vs 63129 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 63021 | Ballwin | 56,261 | 986 |
| 63129 | Saint Louis | 52,718 | 976 |
| 63123 | Saint Louis | 49,308 | 1,518 |
| 63136 | Saint Louis | 48,560 | 1,772 |
| 63031 | Florissant | 48,212 | 1,263 |
| 63026 | Fenton | 44,124 | 673 |
| 63033 | Florissant | 43,000 | 1,345 |
| 63017 | Chesterfield | 41,470 | 818 |
| 63122 | Saint Louis | 38,495 | 1,052 |
| 63011 | Ballwin | 36,347 | 972 |
| 63114 | Saint Louis | 36,201 | 1,585 |
| 63119 | Saint Louis | 33,969 | 1,558 |
| 63125 | Saint Louis | 32,201 | 1,253 |
| 63130 | Saint Louis | 30,084 | 2,309 |
| 63128 | Saint Louis | 29,356 | 755 |
| 63146 | Saint Louis | 29,262 | 810 |
| 63121 | Saint Louis | 26,602 | 1,431 |
| 63043 | Maryland Heights | 22,367 | 610 |
| 63135 | Saint Louis | 21,334 | 1,314 |
| 63137 | Saint Louis | 20,654 | 1,088 |
| 63141 | Saint Louis | 20,593 | 564 |
| 63138 | Saint Louis | 20,175 | 424 |
| 63042 | Hazelwood | 19,602 | 621 |
| 63034 | Florissant | 17,761 | 366 |
| 63005 | Chesterfield | 17,753 | 197 |
| 63105 | Saint Louis | 17,667 | 2,555 |
| 63131 | Saint Louis | 16,769 | 466 |
| 63074 | Saint Ann | 15,164 | 1,524 |
| 63126 | Saint Louis | 15,112 | 1,258 |
| 63132 | Saint Louis | 13,988 | 1,026 |
| 63025 | Eureka | 13,854 | 134 |
| 63134 | Saint Louis | 13,638 | 640 |
| 63044 | Bridgeton | 10,568 | 272 |
| 63124 | Saint Louis | 10,417 | 460 |
| 63143 | Saint Louis | 9,678 | 1,893 |
| 63117 | Saint Louis | 9,163 | 1,507 |
| 63144 | Saint Louis | 8,825 | 1,457 |
| 63040 | Wildwood | 8,512 | 731 |
| 63088 | Valley Park | 8,269 | 569 |
| 63133 | Saint Louis | 8,161 | 1,055 |
| 63038 | Wildwood | 6,914 | 128 |
| 63127 | Saint Louis | 4,939 | 304 |
| 63140 | Saint Louis | 294 | 226 |
| 63045 | Earth City | 3 | 1 |
Frequently Asked Questions
What is the population of St. Louis?
St. Louis has a total population of 1,028,344 across 44 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in St. Louis?
St. Louis includes 44 ZIP codes: 63021, 63129, 63123, 63136, 63031, 63026, 63033, 63017, 63122, 63011, and more.