Merrimac is a town in Essex County, Massachusetts, home to about 6,748 people across 8.5 square miles. Its ZIP code is 01860.
Homes sold for a median of $329 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Merrimac. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Merrimac’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Merrimac well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Boston Logan International Airport (BOS)33 miles away |
|---|---|
| Closer regional airport | Portsmouth International Airport at Pease (PSM)19 miles away |
| Nearest city of 250,000+ | Boston, MA35 miles away |
| Nearest city of 1 million+ | New York, NY213 miles away |
Straight-line distances from the center of Merrimac; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Merrimac had 6,723 residents in the 2020 census, up 10% since 2000.
It’s the 223rd largest of 351 towns in Massachusetts by population.
Essex County grew from 357,030 residents in 1900 to 809,829 in 2020.
Essex County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 16°F. About 49.6 inches of rain and melted snow fall in a typical year, with about 58 inches of snow.
Source: NOAA 1991–2020 climate normals, Haverhill, MA weather station (6 miles away).
287,960 jobs at 19,988 businesses in Essex County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
26 doctors and other health care providers list an office in Merrimac.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Dentists | 4 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 11 |
| Physical and occupational therapists | 5 |
| Chiropractors | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores
Pharmacies
Libraries (2 nearby)
Museums
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1638.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Pentucket. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Dr Frederick N SweetsirMerrimac | Pre-K–2 | 217 | Public | 0.6 mi |
| Helen R Donaghue SchoolMerrimac | 3–6 | 262 | Public | 0.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Merrimac Heights AcademyMerrimac | 5–10 | 18 | Nonsectarian | 0.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Merrimac? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.