Crestwood, MO ZIP Codes
2 ZIP codes serve Crestwood, Missouri: 63123 and 63126. Together they are home to 64,529 residents in 27,963 households. That is more than the 12,295 people counted inside Crestwood city limits, because these ZIP codes reach past its boundary. Median household income ranges from $77,055 in 63123 to $98,852 in 63126.
Crestwood city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 12,295 |
| Households | 4,915 |
| Median household income | $107,169 |
| Median home value | $319,600 |
| Median age | 42.4 |
| Median rent | $1,007 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 64,529 |
| Households (sum of ZIP codes) | 27,963 |
| Median household income, range across ZIP codes | $77,055 (63123) to $98,852 (63126) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $81,894 |
| Homeowners | 77.4% |
| Households with kids under 18 | 24.9% |
| Moved in the past year | 9.4% |
| Carrier routes in EDDM2GO's route library | 61 routes, 29,153 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Crestwood: 63126 ($98,852)
- Most residents: 63123 (49,077 people)
- Highest homeownership: 63126 (86.1% own their home)
- Most households with kids: 63126 (30.3% of households)
- Most new movers: 63123 (10.3% moved in last year)
- Youngest median age: 63123 (40.9 years)
- Highest median home value: 63126 ($306,300)
Every ZIP code in Crestwood
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63123 | Saint Louis | 49,077 | 21,755 | $77,055 | $219,400 | 74.9% | 23.3% | 10.3% | 45 | 23,665 | 4% of its land |
| 63126 | Saint Louis | 15,452 | 6,208 | $98,852 | $306,300 | 86.1% | 30.3% | 6.7% | 16 | 6,931 | 66% of its land |
A ZIP code is listed for Crestwood when at least 10% of its land lies inside Crestwood city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Crestwood. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Crestwood.
Counties
- St. Louis County — 46 ZIP codes
Nearby cities sharing these ZIP codes
- Affton — 1 ZIP code
- Concord — 2 ZIP codes
- Sappington — 2 ZIP codes
Price a mailing to Crestwood ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Crestwood, MO?
- 63123 and 63126. A ZIP code is listed for Crestwood when at least 10% of its land lies inside Crestwood city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Crestwood.
- What is the population of Crestwood, MO?
- The Census Bureau counts 12,295 residents inside Crestwood city limits (ACS 2020–2024). The 2 ZIP codes that serve Crestwood hold 64,529 residents in all.
- What is the median household income in Crestwood, MO?
- $107,169 inside Crestwood city limits, per the Census Bureau. Across its ZIP codes the medians run from $77,055 to $98,852.
- Which Crestwood ZIP code has the highest median household income?
- 63126, at $98,852, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Crestwood, MO?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 61 carrier routes reaching 29,153 residential and 1,438 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.