St. Charles
Source:
Missouri
St. Charles is a major-metro county in Missouri with 13 ZIP codes, 362,252 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. Charles, MO sits among US counties with a top-decile household income, on a major-metro county population base, across a compact ZIP cluster.
- Top 3%
- household income vs 3,210 US counties
- 362,252
- combined ZIP population
- 13
- USPS ZIP codes covered
- $115,496
- 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. Charles lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 29183, 13 ZIPs, combined population 362,252). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (13 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving St. Charles. Use the density column to spot the urban core before jumping to HUD/FBI county overlays.
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.
13
Total ZIPs
362,252
Total Population
ZIP Codes in St. Charles
Side-by-side: Compare 63376 vs 63301 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 63376 | Saint Peters | 70,828 | 658 |
| 63301 | Saint Charles | 48,514 | 212 |
| 63366 | O Fallon | 46,175 | 259 |
| 63303 | Saint Charles | 45,834 | 893 |
| 63368 | O Fallon | 43,360 | 1,016 |
| 63304 | Saint Charles | 40,336 | 372 |
| 63385 | Wentzville | 35,750 | 206 |
| 63367 | Lake Saint Louis | 19,433 | 561 |
| 63348 | Foristell | 6,059 | 44 |
| 63341 | Defiance | 3,530 | 25 |
| 63332 | Augusta | 1,292 | 9 |
| 63373 | Portage Des Sioux | 603 | 14 |
| 63386 | West Alton | 538 | 7 |
Frequently Asked Questions
What is the population of St. Charles?
St. Charles has a total population of 362,252 across 13 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in St. Charles?
St. Charles includes 13 ZIP codes: 63376, 63301, 63366, 63303, 63368, 63304, 63385, 63367, 63348, 63341, and more.