ZIP code · Holden · Massachusetts · United States

ZIP code 01520 — Holden

ZIP code 01520 serves Holden, Massachusetts.

Postal code
01520
Single source Value from one source, not cross-checked.
City
Holden
County
Worcester FIPS 25027
State
Massachusetts
Country
United States
Coordinates
42.3420, -71.8414 — precision precise (locality)
View on OpenStreetMap
Population
16,864 (ZCTA, ACS 5-year)
Population density
896 / sq mi
Land area
18.8 sq mi (48.8 km²) (ZCTA, ACS 5-year)
Median household income
$147,582
Per-capita income
$57,294
Median age
41.4
Households
5,946
Housing units
5,946
Median home value
$444,300
Median gross rent
$1,578 / month
Congressional district
MA-2 (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)
Area codes
774, 508
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 80°F), coldest Jan (avg low 17°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323543566775807871594838
Avg low °F171926374756626153423323
Precip in3.53.34.24.13.64.23.94.14.24.84.04.3

NOAA 1991–2020 climate normals from the nearest station: WORCESTER RGNL AP (5.2 mi) · NOAA NCEI

Places in ZIP 01520

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