ZIP code · Ipswich · Massachusetts · United States

ZIP code 01938 — Ipswich

ZIP code 01938 serves Ipswich, Massachusetts.

Postal code
01938
Single source Value from one source, not cross-checked.
City
Ipswich
County
Essex FIPS 25009
State
Massachusetts
Country
United States
Coordinates
42.6809, -70.8494 — precision precise (locality)
View on OpenStreetMap
Population
13,820 (ZCTA, ACS 5-year)
Population density
430 / sq mi
Land area
32.1 sq mi (83.2 km²) (ZCTA, ACS 5-year)
Median household income
$124,405
Per-capita income
$72,497
Median age
48
Households
5,757
Housing units
6,270
Median home value
$701,400
Median gross rent
$1,525 / month
Congressional district
MA-6 (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
978, 351
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 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F373945576675807972615142
Avg low °F181825344454605851403124
Precip in3.73.64.64.23.54.03.43.43.85.04.04.8

NOAA 1991–2020 climate normals from the nearest station: BEVERLY (6.5 mi) · NOAA NCEI

Places in ZIP 01938

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