Zip code 21607 in Barclay, Maryland, is classified as a "Low Diversity" community with a "White Majority" as of 2022. The area has a population of 490 and a median income of $69,565. This small, predominantly white community has experienced minor demographic changes over the past decade while maintaining its overall racial composition.

From 2013 to 2022, Barclay consistently maintained its status as a "White Majority" community. The white population decreased from 93% to 72% between 2013 and 2018, indicating a trend towards increased diversity. After 2018, this trend reversed slightly, with the white population increasing to 77% by 2022, reinforcing the "Low Diversity" categorization. The Hispanic population has shown the most consistent growth, from 5% in 2013 to 19% in 2022, suggesting a potential "Transitional Community" status for this demographic.

The median income in Barclay has fluctuated over the decade. From 2013 to 2018, there was a general upward trend in median income, rising from $67,252 to $81,380. After 2018, income levels became more volatile, with significant drops and spikes. The 2022 median income of $69,565 is only slightly higher than the 2013 figure, indicating stagnation in overall economic growth. The population has remained relatively stable, fluctuating between 490 and 577 residents, with no clear correlation to income or racial composition changes.