5_Exhibit B_Resolution_Attachment 2

10 The “Bay Area Average” column in this table provides the average isolation index value across Bay Area jurisdictions for different racial groups in 2020.10 The data in this column can be used as a comparison to provide context for the levels of segregation experienced by racial groups in this jurisdiction. For example, Table 1 indicates the average isolation index value for white residents across all Bay Area jurisdictions is 0.491, meaning that in the average Bay Area jurisdiction a white resident lives in a neighborhood that is 49.1% white. Table 1: Racial Isolation Index Values for Segregation within Pleasanton Pleasanton Bay Area Average Race 2000 2010 2020 2020 Asian/Pacific Islander 0.150 0.272 0.431 0.245 Black/African American 0.015 0.018 0.024 0.053 Latinx 0.092 0.120 0.112 0.251 White 0.768 0.633 0.457 0.491 Universe: Population. Source: IPUMS National Historical Geographic Information System (NHGIS). U.S. Census Bureau, 2020 Census State Redistricting Data (Public Law 94-171) Summary File, 2020 Census of Population and Housing, Table P002. Data from 2010 is from U.S. Census Bureau, Census 2010, Table P4. Data for 2000 is standardized to 2010 census tract geographies and is from U.S. Census Bureau, Census 2000, Table P004. Figure 2 below shows how racial isolation index values in Pleasanton compare to values in other Bay Area jurisdictions. In this chart, each dot represents a Bay Area jurisdiction. For each racial group, the spread of dots represents the range of isolation index values among Bay Area jurisdictions. Additionally, the black line within each racial group notes the isolation index value for that group in City of Pleasanton, and each dashed red line represents the Bay Area average for the isolation index for that group. Local staff can use this chart to contextualize how segregation levels for racial groups in their jurisdiction compare to other jurisdictions in the region. 10 This average only includes the 104 jurisdictions that have more than one census tract, which is true for all comparisons of Bay Area jurisdictions’ segregation measures in this report. The segregation measures in this report are calculated by comparing the demographics of a jurisdiction’s census tracts to the jurisdiction’s demographics, and such calculations cannot be made for the five jurisdictions with only one census tract (Brisbane, Calistoga, Portola Valley, Rio Vista, and Yountville).