| ZIP Code | 02138 |
| ZIP Code Name | Cambridge |
| Primary County | Middlesex County |
| ZIP Code Type | Standard |
| Population (2021) | 39,370 |
| Area Code(s) | 617 / 857 |
| Current Time | EST |
02138 is a United States ZIP Code located in Cambridge Massachusetts. Portions of 02138 are also in Boston and Belmont and Somerville and Belmont (town). 02138 is entirely within Middlesex County. 02138 is within Metro Boston.
02138 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Massachusetts based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 02138 have at least a Bachelor Degree. The majority race/ethnicity residing in 02138 is White. The majority race/ethnicity attending public schools in 02138 is White. The current unemployment level in 02138 is 2.4%.
| Population | 39,370 |
| Population Growth Rate | 4.52% |
| Population Density | 12,739 People per Square Mile |
| Total Households | 14,315 |
| Percentage High Income Households | 15.1% |
| Median Houshold Income (2021) | $108,692 |
| Average Adjusted Gross Income (2019) | $253,080 |
| Current Unemployment Rate (December 2023) | 2.4% |
| Majority Race/Ethnicty | White - 67.42% |
| Public School Majority Race/Ethnicty | White - 43.01% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 26,224 | 67.4% |
| Black | 2,339 | 6.01% |
| Hispanic | 3,677 | 9.45% |
| Asian | 6,588 | 16.93% |
| Native American | 67 | 0.17% |
| Hawaiian/Pac. Islander | 14 | 0.04% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 1,310 | 47.16% |
| Black | 716 | 25.77% |
| Hispanic | 375 | 13.5% |
| Asian | 364 | 13.1% |
| Native American | 6 | 0.22% |
| Hawaiian/Pac. Islander | 7 | 0.25% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 134 | 0.6% |
| Bachelor Degree | 6,964 | 31.37% |
| High School Diploma | 1,285 | 5.79% |
| No High School Diploma | 42 | 0.19% |
| GED or Alternate | 159 | 0.72% |
| 1 or More Years of College | 1,226 | 5.52% |
| Associates Degree | 448 | 2.02% |
| Masters Degree | 6,522 | 29.38% |
| Professional Degree | 2,017 | 9.09% |
| Doctorate Degree | 3,394 | 15.29% |
| Coordinates | 42.38003922,-71.13470459 |
| Adjacent ZIP Codes | |
| Cities/Towns in 02138 | |
| Neighborhoods in 02138 | |
| Region | Metro Boston |
| Metropolitan/Micropolitan Stat Area | Boston-Cambridge-Newton, MA-NH |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 3 Square Miles |
| US Congressional Districts in 02138 | |
| Massachusetts State Senate Districts in 02138 | |
| Massachusetts State House of Representatives Districts in 02138 |
| School Districts in 02138 | |
| Elementary Schools in 02138 | |
| Middle Schools in 02138 | |
| High Schools in 02138 |
| Plant Hardiness Zone | Zone 6b: -5F to 0F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 59d - Boston Basin | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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