South Lancaster ZIP code, Massachusetts
The ZIP code for South Lancaster, MA is 01561, and its area codes are 978 and 351.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 2,177
- County
- Worcester County
- State
- Massachusetts
NANPA lists no telephone rate centre for South Lancaster itself, so these are the area codes of the nearest one, Clinton (2.3 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to South Lancaster uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
South Lancaster in numbers
About 2,177 people live in South Lancaster, in 821 households. The median household income is $109,173 a year, 5% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $421,400 (25% below the Massachusetts median), and median gross rent is $1,893 a month. The median age is 39.7; 52.3% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 35 minutes.
| Population | 2,177 |
|---|---|
| Households | 821 |
| Median age | 39.7 |
| Median household income | $109,173 |
| Median home value | $421,400 |
| Median gross rent | $1,893 |
| Bachelor's degree or higher | 52.3% |
| Mean commute | 35.4 min |
| Population density | 1,642 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place South Lancaster CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as South Lancaster
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
01561 | South Lancaster , MA | Standard | 0 | — | — |
Other ZIP codes overlapping South Lancaster
These ZIP codes cover part of South Lancaster but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
01523 | Lancaster , MA | Standard | 8,606 | $134,833 | $519,100 |
Map of South Lancaster ZIP codes
The ZIP codes of South Lancaster, MA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near South Lancaster
The nearest larger towns are Clinton (7,658 people, 1.4 mi), Leominster (43,909 people, 6.9 mi) and Hudson (15,719 people, 7.4 mi).
| Town | Population | Distance |
|---|---|---|
| Clinton | 7,658 | 1.4 mi |
| Leominster | 43,909 | 6.9 mi |
| Hudson | 15,719 | 7.4 mi |
| Northborough | 6,392 | 9.0 mi |
| Marlborough | 41,647 | 9.7 mi |
| Ayer | 3,098 | 10.4 mi |
| Maynard | 10,712 | 12.3 mi |
| Westborough | 4,699 | 12.4 mi |
| Worcester | 207,055 | 12.9 mi |
| Fitchburg | 41,798 | 12.9 mi |
| Littleton Common | 3,289 | 13.3 mi |
| Cordaville | 2,989 | 14.5 mi |
| West Concord | 5,876 | 15.0 mi |
| Framingham | 72,399 | 16.0 mi |
More nearby: every ZIP code in Worcester County · Massachusetts ZIP codes
Cite this page
zipcodes.pro. “South Lancaster, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/south-lancaster
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