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<br /> <br />24 <br /> <br />Figure 9: Income Group Isolation Index Values for Pleasanton Compared to Other Bay <br />Area Jurisdictions (2015) <br />Universe: Bay Area Jurisdictions. <br />Source: U.S. Department of Housing and Urban Development, American Community Survey 5-Year 2011-2015 Low- and Moderate- <br />Income Summary Data. <br />Table 7 below provides the dissimilarity index values indicating the level of segregation in Pleasanton <br />between residents who are lower-income (earning less than 80% of AMI) and those who are not lower- <br />income (earning above 80% of AMI). This data aligns with the requirements described in HCD’s AFFH <br />Guidance Memo for identifying dissimilarity for lower-income households.14 Segregation in Pleasanton <br />between lower-income residents and residents who are not lower-income has not substantively <br />changed between 2010 and 2015. Additionally, Table 7 shows dissimilarity index values for the level of <br />segregation in Albany between residents who are very low-income (earning less than 50% of AMI) and <br />those who are above moderate-income (earning above 120% of AMI). This supplementary data point <br />provides additional nuance to an analysis of income segregation, as this index value indicates the <br />extent to which a jurisdiction’s lowest and highest income residents live in separate neighborh oods. <br />Similar to other tables in this report, the “Bay Area Average” column shows the average dissimilarity <br />index values for these income group pairings across Bay Area jurisdictions in 2015. For example, Table <br />7 indicates that the average dissimilarity index between lower-income residents and other residents in <br />a Bay Area jurisdiction is 0.198, so on average 19.8% of lower-income residents in a Bay Area <br />jurisdiction would need to move to a different neighborhood within the jurisdiction to create perfect <br />income group integration in that jurisdiction. <br /> <br />14 For more information, see page 32 of HCD’s AFFH Guidance Memo.