| ZIP Code | 02451 |
|---|---|
| City | Waltham |
| State | Massachusetts (MA) |
| County | Middlesex County |
| Area Code | 339/508/617/781/978 |
| Elevation | 202 ft |
| Latitude | 42.40153 |
|---|---|
| Longitude | -71.252997 |
| Timezone | New York (DST) |
| FIPS | 25017 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.4 yrs ↑ 4% since 2019 |
|---|---|
| Avg Household Size | 2.38 |
| Below Poverty | 7.4% ▼ 26% below avg |
| College Grads | 61.7% ▲ 59% above avg |
| Unemployment | 3.9% ▼ 21% below avg |
| No HS Diploma | 262 (2.1%) |
| HS Graduate | 2,636 (21.2%) |
| Some College | 884 (7.1%) |
| Associates | 970 (7.8%) |
| Bachelors | 918 (7.4%) |
| Graduate Degree | 6,740 (54.3%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $119,509 ▲ 57% above avg ↑ 7% since 2019 |
|---|---|
| Median Home Value | $709,200 ▲ 154% above avg ↑ 35% since 2019 |
| Home/Income Ratio | 5.9x (nat avg ~3.5x) |
| Median Rent | $2,537/mo ↑ 34% since 2019 |
| Total Units | 7,852 |
| Vacant Units | 308 |
| Avg HH Size | 2.38 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 7,852 |
|---|---|
| Vacant | 308 |
| Owner Occupied | 58.6% |
| Renter Occupied | 41.4% |
| Avg HH Size | 2.38 |
ZIP code 02451 is located in Waltham, Massachusetts, within Middlesex County. With a population of 18,153, this is a moderately populated ZIP code with a middle-aged community — the median age is 39.4 years. Economically, 02451 is a upper-middle-income ZIP code: the median household income of $119,509 is significantly above the national average.
Real estate in ZIP code 02451 represents a premium housing market. The median home value of $709,200 is more than double the national average. Renters can expect to pay around $2,537 per month in median rent. The area has a relatively balanced mix of owners (58.6%) and renters (41.4%). Median home values have increased by 35% since 2019.
The population of 02451 is majority White (55.59%). Residents are highly educated — 61.7% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 7.4%. Household income has grown by 7% since 2019.
The unemployment rate in 02451 stands at 3.9%, which is below the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 62%.
Overall, ZIP code 02451 in Waltham, MA is characterized as upper-middle-income, highly educated, and a middle-aged community. With 18,153 residents, a median household income of $119,509, and a median home value of $709,200, it offers a clear picture of life in this part of Massachusetts.