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Merrimac, MA ZIP code

The ZIP code for Merrimac, Massachusetts is 01860. It is in Essex County.

Population in these ZIPs
6,748
Avg. median income
$123,100population-weighted
Typical home value
$660,100population-weighted
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ZIP codes within 10 miles

Merrimac, MA ZIP code list

Merrimac, MA ZIP codes
ZIP codePopulationMedian incomeTypical home value
018606,748$123,054$660,100

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Merrimac

Frequently asked questions

What is the ZIP code for Merrimac, MA?

The ZIP code for Merrimac, MA is 01860.

What county is Merrimac, Massachusetts in?

Merrimac ZIP codes are in Essex County.