ZIP code 02451 is in Middlesex County, Massachusetts. About 17,393 people live here in 7,481 households. The median home value is $753,000 and the median household income $122,335. The average commute takes about 29 minutes.
ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
94%of households have broadbandhome internet subscription
02451 in MassachusettsZIP codes coloured by median household income
02451
<$45K$125K+
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files
People.
17,393 residents in 7,481 households, next to the Middlesex County figure.
15%
under 18
HereMiddlesex County
26%
aged 18–34
HereMiddlesex County
19%
aged 65 and over
HereMiddlesex County
29%
of households are people living alone
HereMiddlesex County
44%
of households are married couples
HereMiddlesex County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Homes.
7,748 housing units; the median owner-occupied home is valued at $753,000 (±$38,509).
59%
of households own their home
HereMiddlesex County
55%
of homes are detached single-family houses
HereMiddlesex County
20%
are in buildings with 5 or more units
HereMiddlesex County
0%
are mobile homes
HereMiddlesex County
3%
of housing units are vacant
HereMiddlesex County
$2,677
median gross rent a month
HereMiddlesex County
When homes were built
2020 or later1%
2010–20195%
2000–20095%
1990–19997%
1980–198911%
1970–197913%
1960–196916%
1950–195915%
1940–19494%
1939 or earlier24%
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Income and work.
Household income and work, in 2024 dollars; median household income ±$10,961.
$122,335
median household income
HereMiddlesex County
8.3%
of people live below the poverty line
HereMiddlesex County
3.5%
unemployment rate
HereMiddlesex County
56%
of adults 25+ hold a bachelor’s degree or higher
HereMiddlesex County
The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Getting around.
How workers aged 16 and over get to work, and how long it takes.
29 min
average commute to work
HereMiddlesex County
16%
of commuters travel 45 minutes or more
HereMiddlesex County
67%
of workers drive or carpool
HereMiddlesex County
6%
take public transportation
HereMiddlesex County
2%
walk or bike
HereMiddlesex County
21%
work from home
HereMiddlesex County
8%
of households have no car
HereMiddlesex County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Internet.
Home internet subscriptions.
94%
of households have a broadband subscription
HereMiddlesex County
5%
have no internet access at home
HereMiddlesex County
American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Businesses in 02451.
1,195 business establishments with paid employees have an address in this ZIP code.
Grocery stores and supermarkets4
Convenience stores11
Pharmacies and drug stores4
Retail bakeries0
Full-service restaurants31
Limited-service restaurants94
Coffee shops and snack bars7
Bars0
Physicians’ offices18
Dentists’ offices12
Child care centers7
Gyms and fitness centers4
Movie theaters0
Museums0
Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
Health.
Estimated share of adults in 02451, next to the national figure.
80%
had a routine checkup in the past year
HereUnited States
73%
visited a dentist in the past year
HereUnited States
5%
of 18–64s have no health insurance
HereUnited States
19%
get no leisure-time physical activity
HereUnited States
32%
usually sleep less than 7 hours
HereUnited States
10%
smoke
HereUnited States
25%
have obesity
HereUnited States
9%
have diagnosed diabetes
HereUnited States
28%
have high blood pressure
HereUnited States
14%
report fair or poor general health
HereUnited States
15%
report frequent mental distress
HereUnited States
34%
often feel lonely
HereUnited States
11%
faced food insecurity in the past year
HereUnited States
10%
faced housing insecurity in the past year
HereUnited States
7%
lacked reliable transportation in the past year
HereUnited States
These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.
Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain
Nearest public schools.
In a straight line from the center of the ZIP code. Attendance zones are set by each school district.
Douglas MacArthur Elementary SchoolWaltham0.2 mi
Waltham Sr HighWaltham0.7 mi
John F Kennedy MiddleWaltham1.1 mi
Waltham Valor High SchoolWaltham1.3 mi
Dual Language SchoolWaltham1.3 mi
Source: National Center for Education Statistics, EDGE public school locations 2024–25
Nearby ZIP codes.
ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.
02451