ZIP Code 02451 - Waltham Massachusetts

ZIP Code 02451 is located in Waltham Massachusetts. 02451 is entirely within Middlesex County. Regionally, it is located in Metro Boston.

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ZIP Code 02451 Quick Stats

ZIP Code NameWaltham
Primary CountyMiddlesex County
ZIP Code TypeStandard
Population (2022)18,379
Area Code(s)339 / 781
Current Time
EDT

ZIP Code 02451 Map

02451 Demographics

02451 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Massachusetts based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 02451 is White. The majority race/ethnicity attending public schools in 02451 is White. The current unemployment level in 02451 is 2.8%.

Population18,379
Population Growth Rate-3.65%
Population Density3,028 People per Square Mile
Total Households7,285
Percentage High Income Households8.7%
Median Houshold Income (2021)$109,021
Average Adjusted Gross Income (2020)$99,590
Current Unemployment Rate (February 2024)2.8%
Majority Race/EthnictyWhite - 69.53%
Public School Majority Race/EthnictyWhite - 51.62%

02451 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White12,63569.53%
Black1,0215.62%
Hispanic2,02811.16%
Asian2,38713.14%
Native American1010.56%
Hawaiian/Pac. Islander00%

02451 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White43154.01%
Black9211.53%
Hispanic20525.69%
Asian698.65%
Native American10.13%
Hawaiian/Pac. Islander00%

02451 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College4603.79%
Bachelor Degree3,60129.68%
High School Diploma3,15726.02%
No High School Diploma2081.71%
GED or Alternate2051.69%
1 or More Years of College1,1299.31%
Associates Degree6475.33%
Masters Degree1,98616.37%
Professional Degree3012.48%
Doctorate Degree4383.61%

02451 Geography

Coordinates42.39826202,-71.25699615
Adjacent ZIP Codes
Cities/Towns in 02451
RegionMetro Boston
Metropolitan/Micropolitan Stat AreaBoston-Cambridge-Newton, MA-NH
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area6 Square Miles

02451 Politics

US Congressional Districts in 02451
Massachusetts State Senate Districts in 02451
Massachusetts State House of Representatives Districts in 02451

02451 Schools

School Districts in 02451

02451 Weather and Climate Data

Plant Hardiness ZoneZone 6a: -10F to -5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion59d - Boston Basin

02451 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)16192736465561605140322239
Avg Max Temp (°F)35384758697883817362514059
Avg Precip (In.)4.263.434.234.093.673.63.653.643.814.164.464.1247.13

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