Comparison to Surrounding Areas
The median household income ($99,138) for 63303 is less than the median household income for 63017 ($127,095), 63304 ($114,442), and St. Charles County ($104,692). But it's more than 63043 ($91,509), 63146 ($84,756), 63301 ($85,308), 63376 ($96,393), St. Charles city ($85,937), and St. Peters city ($91,637).
| 63303 | $99,138 |
| St. Charles city | $85,937 |
| St. Peters city | $91,637 |
| St. Charles County | $104,692 |
Get Median Household Income for all Zip Codes in Missouri.
The average household income ($130,699) for 63303 is less than the average household income for 63017 ($177,913) and 63304 ($157,735). But it's more than 63043 ($102,392), 63146 ($110,679), 63301 ($104,801), 63376 ($113,490), St. Charles County ($129,305), St. Charles city ($114,464), and St. Peters city ($107,714).
| 63303 | $130,699 |
| St. Charles city | $114,464 |
| St. Peters city | $107,714 |
| St. Charles County | $129,305 |
Get Average Household Income for all Zip Codes in Missouri.
The per-capita income for 63303 is $58,928. The per capita income ($58,928) for 63303 is less than the per capita income for 63017 ($74,858) and 63304 ($60,115). But it's more than 63043 ($44,325), 63146 ($53,100), 63301 ($43,801), 63376 ($46,330), St. Charles County ($51,051), St. Charles city ($49,608), and St. Peters city ($45,579).
| 63303 | $58,928 |
| St. Charles city | $49,608 |
| St. Peters city | $45,579 |
| St. Charles County | $51,051 |
Get Per-Capita Income for all Zip Codes in Missouri.
17.2% of households make over $200,000 a year. The percent high income households (17.2%) for 63303 is less than the percent high income households for 63017 (31.0%) and 63304 (21.4%). But it's more than 63043 (7.5%), 63146 (13.4%), 63301 (8.9%), 63376 (11.5%), St. Charles County (15.9%), St. Charles city (11.8%), and St. Peters city (10.0%).
| 63303 | 17.2% |
| St. Charles city | 11.8% |
| St. Peters city | 10.0% |
| St. Charles County | 15.9% |
Get High Income Households for all Zip Codes in Missouri.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 63303 | $68,010 | $105,691 | $129,038 | $70,161 |
| St. Charles city | $47,298 | $97,770 | $109,217 | $65,061 |
| St. Peters city | $70,563 | $111,649 | $104,953 | $55,369 |
| St. Charles County | $59,443 | $117,863 | $129,960 | $67,902 |
Get Median Household Income by Age of Householder for all Zip Codes in Missouri.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 63303 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 63303 | +/-$5,566 | +/-$14,084 | +/-$6,621 | +/-2.4% | +/-$31,111 | +/-$6,596 | +/-$12,121 | +/-$5,317 |
| St. Charles city | +/-$3,974 | +/-$10,203 | +/-$4,514 | +/-1.6% | +/-$9,147 | +/-$7,702 | +/-$12,398 | +/-$4,054 |
| St. Peters city | +/-$3,124 | +/-$4,556 | +/-$1,905 | +/-1.2% | +/-$18,929 | +/-$4,191 | +/-$7,735 | +/-$4,511 |
| St. Charles County | +/-$1,179 | +/-$2,781 | +/-$1,117 | +/-0.7% | +/-$7,249 | +/-$2,689 | +/-$3,737 | +/-$2,066 |