US ZIP Code
01860

Merrimac, MA

Essex County  ·  Massachusetts

● Active
👥 6,707 Population ↓ 3% since 2019
💰 $116,477 Median HH Income
▲ 53% above avg ↑ 38% since 2019
🎂 48.6 Median Age ↑ 2% since 2019
🏠 $531,300 Median Home Value
▲ 91% above avg ↑ 47% since 2019
🎓 49.0% College Grads
▲ 26% above avg
📊 1.6% Unemployment
▼ 68% below avg ↓ 41% since 2019
ZIP Code Details
ZIP Code01860
CityMerrimac
StateMassachusetts (MA)
CountyEssex County
Area Code351/978
Elevation123 ft
Latitude42.838603
Longitude-71.011997
TimezoneNew York (DST)
FIPS25009
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 55.4% (3,712) Female 44.7% (2,995) ♀

Race & Ethnicity

White: 94.6%Hispanic: 0.6%Other: 4.8%Race
White94.6%
Hispanic0.6%
Other4.8%

Age Breakdown

Under 5
6%
5–17
12%
18–24
7%
25–44
19%
45–64
32%
65+
11%

Key Indicators

Median Age48.6 yrs ↑ 2% since 2019
Avg Household Size2.47
Below Poverty8.3% ▼ 18% below avg
College Grads49.0% ▲ 26% above avg
Unemployment1.6% ▼ 68% below avg
No HS Diploma52 (1.1%)
HS Graduate1,141 (23.3%)
Some College655 (13.4%)
Associates648 (13.2%)
Bachelors565 (11.5%)
Graduate Degree1,833 (37.5%)

Education

No HS: 1.1%HS Grad: 23.3%Some College: 13.4%Associates: 13.2%Bachelors: 11.5%Graduate: 37.5%Edu
No HS1.1%
HS Grad23.3%
Some College13.4%
Associates13.2%
Bachelors11.5%
Graduate37.5%
Housing & Income

Housing Tenure

Owner: 79%Renter: 21%Tenure
Owner79.0%
Renter21.0%

Home Value Distribution

Under $50k
8%
$50k–100k
1%
$100k–150k
2%
$150k–200k
4%
$200k–300k
6%
$300k–500k
24%
Over $500k
56%

Financials

Median HH Income$116,477 ▲ 53% above avg ↑ 38% since 2019
Median Home Value$531,300 ▲ 91% above avg ↑ 47% since 2019
Home/Income Ratio4.6x (nat avg ~3.5x)
Median Rent$1,236/mo ↑ 12% since 2019
Total Units2,851
Vacant Units141
Avg HH Size2.47

Income Distribution

Under $25k
6%
$25k–50k
13%
$50k–75k
7%
$75k–100k
18%
$100k–150k
18%
$150k–200k
24%
Over $200k
14%
Employment & Commute

How People Get to Work

Drove Alone
88%
Walked
1%
Work From Home
11%

Commute Time

Under 15 min
18%
15–30 min
37%
30–45 min
18%
Over 45 min
26%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
8%
1960s–1970s
10%
1980s–1990s
19%
2000+
61%

Summary

Total Units2,851
Vacant141
Owner Occupied79.0%
Renter Occupied21.0%
Avg HH Size2.47
Frequently Asked Questions
ZIP code 01860 is in Merrimac, MA, in Essex County.
ZIP code 01860 is located in Massachusetts (MA).
ZIP code 01860 is in Essex County, MA.
ZIP 01860 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 01860 is 6,707 people (ACS 2023).
The median household income in ZIP code 01860 is $116,477 (ACS 2023).
The median home value in ZIP 01860 is $531,300 (ACS 2023).
About ZIP Code 01860

ZIP code 01860 is located in Merrimac, Massachusetts, within Essex County. With a population of 6,707, this is a lightly populated ZIP code with a mature community — the median age is 48.6 years. Economically, 01860 is a upper-middle-income ZIP code: the median household income of $116,477 is significantly above the national average.

Real estate in ZIP code 01860 represents a premium housing market. The median home value of $531,300 is significantly above the national average. Renters can expect to pay around $1,236 per month in median rent. Homeownership is strong here — 79.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 47% since 2019.

The population of 01860 is primarily White (94.59%). Residents are well-educated — 49.0% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 8.3%. Household income has grown by 38% since 2019.

The unemployment rate in 01860 stands at 1.6%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 82%.

Overall, ZIP code 01860 in Merrimac, MA is characterized as upper-middle-income, well-educated, a mature community, and predominantly owner-occupied. With 6,707 residents, a median household income of $116,477, and a median home value of $531,300, it offers a clear picture of life in this part of Massachusetts.