Zip code 83645 in Midvale, Idaho, is classified as a "Low Diversity" area with a "White Majority" as of 2022. The population is 91% white, with a Hispanic population of 4%. The median income for this zip code in 2022 was $54,544, showing a slight decrease from the previous year but an overall increase since 2013.

Over the past decade, Midvale has maintained its status as a "Low Diversity" area with a strong "White Majority." The white population percentage has remained relatively stable, fluctuating between 90% and 96% from 2013 to 2022. There has been a gradual increase in the Hispanic population, rising from 1% in 2013 to 4% in 2022. The "Two or More Races" category has fluctuated, peaking at 5% in 2016 but decreasing to 4% by 2022. These shifts suggest a very slow trend towards slightly increased diversity, though the area remains firmly in the "Low Diversity" category.

The median income in Midvale has shown an overall upward trend, with some fluctuations. From 2013 to 2022, the median income increased from $33,124 to $54,544, a 64.7% increase. There was a notable increase in median income from 2020 to 2021, rising from $54,740 to $61,852, before slightly decreasing in 2022. The population has grown from 926 in 2013 to 1,444 in 2022, a 55.9% increase. The economic growth appears to correlate with the population increase.