Hillsdale, MO ZIP Codes
2 ZIP codes serve Hillsdale, Missouri: 63121 and 63133. Together they are home to 31,577 residents in 14,157 households. That is more than the 873 people counted inside Hillsdale village limits, because these ZIP codes reach past its boundary. Median household income ranges from $39,293 in 63133 to $42,701 in 63121.
Hillsdale village limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 873 |
| Households | 365 |
| Median household income | $37,583 |
| Median home value | $52,700 |
| Median age | 30.6 |
| Median rent | $1,127 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 31,577 |
| Households (sum of ZIP codes) | 14,157 |
| Median household income, range across ZIP codes | $39,293 (63133) to $42,701 (63121) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $41,975 |
| Homeowners | 50.7% |
| Households with kids under 18 | 22.1% |
| Moved in the past year | 15.2% |
| Carrier routes in EDDM2GO's route library | 31 routes, 14,058 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Hillsdale: 63121 ($42,701)
- Most residents: 63121 (25,008 people)
- Highest homeownership: 63121 (51.6% own their home)
- Most households with kids: 63121 (22.4% of households)
- Most new movers: 63121 (15.9% moved in last year)
- Youngest median age: 63121 (33.2 years)
- Highest median home value: 63121 ($95,600)
Every ZIP code in Hillsdale
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63121 | Saint Louis | 25,008 | 11,142 | $42,701 | $95,600 | 51.6% | 22.4% | 15.9% | 24 | 11,310 | 4% of its land |
| 63133 | Saint Louis | 6,569 | 3,015 | $39,293 | $65,100 | 47.5% | 20.9% | 12.7% | 7 | 3,442 | 2% of its land |
A ZIP code is listed for Hillsdale when at least 10% of its land lies inside Hillsdale village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Hillsdale. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Hillsdale.
Counties
- St. Louis County — 46 ZIP codes
Price a mailing to Hillsdale ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Hillsdale, MO?
- 63121 and 63133. A ZIP code is listed for Hillsdale when at least 10% of its land lies inside Hillsdale village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Hillsdale.
- What is the population of Hillsdale, MO?
- The Census Bureau counts 873 residents inside Hillsdale village limits (ACS 2020–2024). The 2 ZIP codes that serve Hillsdale hold 31,577 residents in all.
- What is the median household income in Hillsdale, MO?
- $37,583 inside Hillsdale village limits, per the Census Bureau. Across its ZIP codes the medians run from $39,293 to $42,701.
- Which Hillsdale ZIP code has the highest median household income?
- 63121, at $42,701, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Hillsdale, MO?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 31 carrier routes reaching 14,058 residential and 694 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.