Zip code 53220 in Greenfield, Wisconsin, is classified as a "White Majority" community with moderate diversity as of 2022. The white population constitutes 64% of the total, while Hispanic residents represent 22%. This area has undergone significant demographic changes over the past decade, evolving from low diversity to its current more diverse state. The median income in 2022 was $61,869, exhibiting considerable fluctuation in recent years.

The community has transitioned from low diversity to moderate diversity. In 2013, the white population comprised 78% of the total, decreasing to 64% by 2022. Concurrently, other racial groups, particularly Hispanic and Asian populations, experienced significant growth. The consistent increase in the Hispanic population from 14% in 2013 to 22% in 2022, along with the growth of the Asian community from 2% to 7%, indicates that this area is becoming a "Transitional Community." The percentage of residents identifying as two or more races has also increased from 2% to 3%, further supporting the trend towards greater diversity.

The median income has demonstrated significant volatility, rising from $53,877 in 2013 to a peak of $74,090 in 2021, before declining to $61,869 in 2022. This fluctuation may be related to the changing demographic composition and broader economic factors. The population has grown steadily from 26,138 in 2013 to 27,042 in 2022, a 3.5% increase. This growth coincides with the increasing diversity, suggesting that the area may be attracting new residents from various backgrounds. The periods of highest income (2020-2021) align with the most rapid diversification, potentially indicating that the influx of new residents may have brought economic benefits to the area.