Zip code 93531, corresponding to Keene in California, has a population of 130 people spread over 17.24 square miles as of 2022. This area is categorized as having "Low Diversity" with a clear White Majority, as the white population constitutes 79% of the total.

Over the past decade, Keene has maintained its status as a White Majority community, falling under the "Low Diversity" category for most of the observed period. From 2013 to 2015, the area exhibited extremely low diversity, with the white population comprising 90-92% of the total. Between 2016 and 2020, there was a slight trend towards increased diversity. The white population decreased to around 63-77%, suggesting a shift towards "Moderate Diversity." During this period, the Hispanic population increased from 7% in 2013 to 24% in 2020, indicating a potential "Transitional Community" status. From 2021 to 2022, there was a reversal of this trend, with the white population increasing again to 77-79%, returning the area to "Low Diversity" status.

The median income in Keene has shown significant fluctuations over the years, which may correlate with the demographic shifts. From 2013 to 2019, there was a general upward trend in median income, rising from $92,370 to $131,764. This coincided with the period of slightly increasing diversity. In 2020, there was a sharp drop in median income to $93,824, which aligned with the peak of Hispanic population representation (24%). In 2021, the income rebounded to $127,567, corresponding with a decrease in diversity and increase in the white population percentage. As of 2022, the median income has decreased again to $93,645, despite the continued high percentage of white residents.