Clayton, MO ZIP Codes
One ZIP code serves Clayton, Missouri: 63105. Together they are home to 18,875 residents in 7,088 households.
Clayton city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 17,380 |
| Households | 6,222 |
| Median household income | $123,000 |
| Median home value | $830,000 |
| Median age | 30 |
| Median rent | $1,692 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,875 |
| Households (sum of ZIP codes) | 7,088 |
| Median household income, range across ZIP codes | $116,439 (63105) to $116,439 (63105) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $116,439 |
| Homeowners | 55.9% |
| Households with kids under 18 | 25.7% |
| Moved in the past year | 25.0% |
| Carrier routes in EDDM2GO's route library | 28 routes, 7,515 homes (1 of 1 ZIP codes) |
Every ZIP code in Clayton
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63105 | Saint Louis | 18,875 | 7,088 | $116,439 | $766,300 | 55.9% | 25.7% | 25.0% | 28 | 8,751 | 91% of its land |
A ZIP code is listed for Clayton when at least 10% of its land lies inside Clayton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Clayton. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Clayton.
Counties
- St. Louis County — 46 ZIP codes
Price a mailing to Clayton ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Clayton, MO?
- 63105. A ZIP code is listed for Clayton when at least 10% of its land lies inside Clayton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Clayton.
- What is the population of Clayton, MO?
- The Census Bureau counts 17,380 residents inside Clayton city limits (ACS 2020–2024). The 1 ZIP code that serve Clayton hold 18,875 residents in all.
- What is the median household income in Clayton, MO?
- $123,000 inside Clayton city limits, per the Census Bureau. Across its ZIP codes the medians run from $116,439 to $116,439.
- How many carrier routes and mailboxes are in Clayton, MO?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 28 carrier routes reaching 7,515 residential and 1,240 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.