The 02138 zip code in Cambridge, Massachusetts, has transitioned from a "White Majority" community to one of "Moderate Diversity" with a "White Plurality" between 2013 and 2022. In 2013, the white population constituted 70% of the total. By 2022, this percentage had decreased to 62%. The Asian population increased from 12% in 2013 to 17% in 2022. The Hispanic population grew from 7% to 9% over the same period. These shifts have contributed to the area's transition towards greater diversity.

The demographic changes have occurred alongside an upward trend in median income. The median income increased from $92,320 in 2013 to $107,406 in 2022, representing a 16.3% growth over the decade. The peak median income of $109,699 was recorded in 2019. The population grew from 34,935 in 2013 to 37,224 in 2022, a 6.6% increase.

The trends observed in this zip code align with patterns seen in many urban areas across the United States, particularly those with strong knowledge economies and prestigious educational institutions. The shift towards greater diversity, especially the growth in Asian and Hispanic populations, mirrors national trends in many metropolitan areas. The economic growth accompanying this diversification is notable, as it counters narratives of economic decline sometimes associated with changing demographics.