South Lancaster, MA ZIP Codes
2 ZIP codes serve South Lancaster, Massachusetts: 01523 and 01561. Together they are home to 8,606 residents in 2,960 households. That is more than the 2,177 people counted inside South Lancaster Census-designated place, because these ZIP codes reach past its boundary.
South Lancaster Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 2,177 |
| Households | 821 |
| Median household income | $109,173 |
| Median home value | $421,400 |
| Median age | 39.7 |
| Median rent | $1,893 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 8,606 |
| Households (sum of ZIP codes) | 2,960 |
| Median household income, range across ZIP codes | $134,833 (01523) to $134,833 (01523) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $134,833 |
| Homeowners | 85.1% |
| Households with kids under 18 | 31.2% |
| Moved in the past year | 9.0% |
| Carrier routes in EDDM2GO's route library | 4 routes, 2,548 homes (1 of 2 ZIP codes) |
Every ZIP code in South Lancaster
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 01523 | Lancaster | 8,606 | 2,960 | $134,833 | $519,100 | 85.1% | 31.2% | 9.0% | 4 | 2,652 | 5% of its land |
| 01561 | South Lancaster | 0 | 0 | — | — | — | — | — | — | — | 100% of its land; mailing city |
A ZIP code is listed for South Lancaster when at least 10% of its land lies inside the South Lancaster Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is South Lancaster. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside South Lancaster.
Counties
- Worcester County — 86 ZIP codes
Price a mailing to South Lancaster ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in South Lancaster, MA?
- 01523 and 01561. A ZIP code is listed for South Lancaster when at least 10% of its land lies inside the South Lancaster Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is South Lancaster.
- What is the population of South Lancaster, MA?
- The Census Bureau counts 2,177 residents inside South Lancaster Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve South Lancaster hold 8,606 residents in all.
- What is the median household income in South Lancaster, MA?
- $109,173 inside South Lancaster Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $134,833 to $134,833.
- How many carrier routes and mailboxes are in South Lancaster, MA?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 2,548 residential and 100 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.