ZIP code · South Lancaster · Massachusetts · United States
ZIP code 01561 — South Lancaster
ZIP code 01561 serves South Lancaster, Massachusetts.
- Postal code
- 01561Single source Value from one source, not cross-checked.
- City
- South Lancaster
- County
- Worcester FIPS 25027
- State
- Massachusetts
- Country
- United States
- Coordinates
- 42.4435, -71.6861 — precision precise (locality)
View on OpenStreetMap - Population
- 0 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 0 sq mi (0.1 km²) (ZCTA, ACS 5-year)
- Households
- 0
- Housing units
- 50
- Congressional district
- MA-3 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 01561 with another ZIP · ZIPs within 25 miles · distance from 01561
Map of ZIP code 01561
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 37 | 45 | 58 | 70 | 78 | 83 | 82 | 74 | 62 | 50 | 40 |
| Avg low °F | 16 | 17 | 25 | 35 | 46 | 56 | 62 | 60 | 51 | 40 | 30 | 22 |
| Precip in | 2.6 | 2.8 | 3.8 | 3.8 | 3.6 | 4.1 | 3.5 | 3.4 | 4.0 | 4.5 | 3.6 | 3.7 |
NOAA 1991–2020 climate normals from the nearest station: FITCHBURG MUNI AP (8.3 mi) · NOAA NCEI
Places in ZIP 01561
- 2 schools
- 1 libraries
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page