Zip code 98391 in Lake Tapps, Washington, is classified as having "Low Diversity" with a "White Majority" as of 2022. The area has a median income of $109,168 and a population of 55,620. From 2013 to 2022, the area maintained its "White Majority" status, but showed signs of increasing diversity. The white population decreased from 85% to 79%, while the Hispanic population grew from 5% to 9%. The Asian population doubled from 2% to 4%, and the percentage of residents identifying as two or more races remained stable at 5-6%.

The economic landscape of the zip code demonstrated growth correlating with demographic shifts. Median income increased from $96,810 in 2013 to $109,168 in 2022, a 12.8% growth. The population grew from 43,275 in 2013 to 55,620 in 2022, a 28.5% increase. This economic growth may be both a cause and effect of the increasing diversity.

The area's median income is higher than the national median, indicating an affluent community. The slow increase in diversity aligns with national trends of growing minority populations, particularly among Hispanic and Asian demographics. The community's high income and gradual diversification suggest it may be a desirable suburb experiencing demographic changes, similar to many affluent areas near major urban centers in the United States.