Zip code 83646 in Meridian, Idaho, is classified as a "Low Diversity" area as of 2022. The population is predominantly white, comprising 81% of the total. The median income is $88,590. Over the past decade, the area has shown characteristics of a "Transitional Community" with gradual changes in demographic composition.

From 2013 to 2022, the zip code maintained its "Low Diversity" status, with the white population consistently above 75%. However, a trend towards increased diversity is evident. The white population decreased from 90% in 2013 to 81% in 2022. The Hispanic population increased from 4% to 9%. The Asian population grew from 1% to 2%. The Black population, previously statistically insignificant, reached 2%. The "Two or More Races" category expanded from 1% to 5%. Despite these changes, the area has not yet reached the "Moderate Diversity" category.

The demographic shifts correspond with notable economic changes. The median income rose from $76,807 in 2013 to $88,590 in 2022, a 15.3% increase. The population grew substantially from 51,835 in 2013 to 74,573 in 2022, a 43.9% increase. This significant population growth and rising incomes suggest that Meridian has become more attractive to diverse groups, possibly due to economic opportunities or lifestyle factors.