Twin Oaks, MO ZIP Codes
One ZIP code serves Twin Oaks, Missouri: 63021. Together they are home to 55,666 residents in 22,131 households. That is more than the 734 people counted inside Twin Oaks village limits, because these ZIP codes reach past its boundary.
Twin Oaks village limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 734 |
| Households | 478 |
| Median household income | $120,151 |
| Median home value | $298,800 |
| Median age | 42.4 |
| Median rent | $1,778 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 55,666 |
| Households (sum of ZIP codes) | 22,131 |
| Median household income, range across ZIP codes | $120,177 (63021) to $120,177 (63021) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $120,177 |
| Homeowners | 80.7% |
| Households with kids under 18 | 32.7% |
| Moved in the past year | 9.0% |
| Carrier routes in EDDM2GO's route library | 38 routes, 22,762 homes (1 of 1 ZIP codes) |
Every ZIP code in Twin Oaks
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63021 | Ballwin | 55,666 | 22,131 | $120,177 | $349,500 | 80.7% | 32.7% | 9.0% | 38 | 23,214 | 1% of its land |
A ZIP code is listed for Twin Oaks when at least 10% of its land lies inside Twin Oaks village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Twin Oaks. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Twin Oaks.
Counties
- St. Louis County — 46 ZIP codes
Nearby cities sharing these ZIP codes
- Wildwood — 7 ZIP codes
- Ballwin — 2 ZIP codes
- Manchester — 2 ZIP codes
- Ellisville — 2 ZIP codes
Price a mailing to Twin Oaks ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Twin Oaks, MO?
- 63021. A ZIP code is listed for Twin Oaks when at least 10% of its land lies inside Twin Oaks village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Twin Oaks.
- What is the population of Twin Oaks, MO?
- The Census Bureau counts 734 residents inside Twin Oaks village limits (ACS 2020–2024). The 1 ZIP code that serve Twin Oaks hold 55,666 residents in all.
- What is the median household income in Twin Oaks, MO?
- $120,151 inside Twin Oaks village limits, per the Census Bureau. Across its ZIP codes the medians run from $120,177 to $120,177.
- How many carrier routes and mailboxes are in Twin Oaks, MO?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 38 carrier routes reaching 22,762 residential and 452 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.