Source: City and County of San Francisco, Department of Elections, Supervisor Districts (2022), CC0 1.0; U.S. Census Bureau, 2025 TIGER/Line AREAWATER, San Francisco County. Districts intersected with land by subtracting all official Census water polygons; recoloured and rendered as artwork by MOSAIK. Snapshot 26 October 2026. U.S. Census Bureau, 2025 TIGER/Line county boundaries and AREAWATER; positive Census land mask intersected with original municipal districts. Artwork edition excludes the Farallon Islands; mainland and nearby bay islands retained.