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ZIP Code 02451
Waltham, MA, Middlesex County
Population
17,393
Land area
5.3sq mi
People per sq mi
3,269
City
Waltham
ZIP 02451 and nearby ZIP codes
ZIP 02451 at a glance
- ZIP 02451 (Waltham) is about 3.6 times as dense as Massachusetts as a whole.
- The median household income is $122,335, 18% above the Massachusetts median of $103,960.
- A typical owner-occupied home is valued at $753,000 (34% above Massachusetts) and median rent is $2,677 a month.
Local data for ZIP 02451
Counts from official public data
Housing and community stats
ZIP 02451, American Community Survey 2020-2024
Median household income
$122,335
Poverty rate
8.3%
Median home value
$753,000
Prices +4.3% in a year
Median rent
$2,677/mo
Homeownership
59.3%
Bachelor's or higher
56.0%
Median age
40.3
Average commute
26.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,195
ZIP Business Patterns 2023
Employees
59,760
$8.2B annual payroll
PPP loans
$189M
941 loans
Campaign donations
$381K
20% D, 3% R, 2026 cycle
Environment and hazard risk
ZIP 02451, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: ice storm
Storm events since 1996
1,840
Countywide, mostly thunderstorm wind
Flood insurance policies
4,000
1.0% of homes, county
July high / Jan low
85° / 18°F
42.6 inches of rain a year
Health statistics
Share of adults in ZIP 02451, CDC PLACES estimates
Obesity
24.7%
U.S. 33.3% -8.6 pts
Diabetes
8.7%
U.S. 12.1% -3.4 pts
Smoking
9.6%
U.S. 12.8% -3.2 pts
Uninsured (18-64)
4.5%
U.S. 11.1% -6.6 pts
Frequently asked questions
- What city is ZIP code 02451?
- ZIP code 02451 is in Waltham, MA (Middlesex County).
- What county is ZIP code 02451 in?
- ZIP code 02451 is mostly in Middlesex County, Massachusetts.
- How many people live in ZIP code 02451?
- About 17,393 people live in the 02451 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.