{"election_name":"California US House 10 Open Primary","election_type":"House of Representatives","election_scope":"Primary","election_date":"2026-06-02T05:00:00.000Z","country":"US","province":"CA","district":"CA-10","municipality":null,"polls_open":"2026-06-02T14:00:00.000Z","polls_close":"2026-06-03T03:00:00.000Z","is_disputed":false,"has_map":true,"registered_voters":null,"percent_reporting":51.9,"last_updated":"2026-06-03T06:42:43.171Z","round":1,"maps":[{"name":"California","map":"assets/California.svg"}],"candidates":[{"name":"Mark DeSaulnier","party":"Democratic","incumbent":true,"major_candidate":true,"winner":false,"advanced":false,"color":"#0f4b8f","votes":67219,"percent":58.18,"major_reason":["metadata","runtime"],"bio":"","photourl":"https://americafirstinsight.com/wp-content/uploads/2026/05/DeSaulnierIcon.webp","endorsed":false},{"name":"Jeff Frese","party":"Republican","incumbent":false,"major_candidate":true,"winner":false,"advanced":false,"color":"#46a2ea","votes":16974,"percent":14.69,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Katherine Piccinini","party":"Republican","incumbent":false,"major_candidate":true,"winner":false,"advanced":false,"color":"#ea46d1","votes":14444,"percent":12.5,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Angela Griffiths","party":"Republican","incumbent":false,"major_candidate":true,"winner":false,"advanced":false,"color":"#7746ea","votes":7900,"percent":6.84,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Joshua Hamilton","party":"Democratic","incumbent":false,"major_candidate":true,"winner":false,"advanced":false,"color":"#ead546","votes":3823,"percent":3.31,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Mitchell Maisler","party":"Democratic","incumbent":false,"major_candidate":true,"winner":false,"advanced":false,"color":"#73ea46","votes":3249,"percent":2.81,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Bob Rowland","party":"Democratic","incumbent":false,"major_candidate":true,"winner":false,"advanced":false,"color":"#46eaa6","votes":1923,"percent":1.66,"major_reason":["metadata"],"bio":"","photourl":"","endorsed":false}],"region_results":{"contra_costa":{"name":"Contra Costa","type":"County","fips":"06013","fill":"#4874a3","percent_reporting":57.73,"candidates":[{"name":"Mark DeSaulnier","party":"Democratic","votes":63355,"percent":58.83,"color":"#0f4b8f","winner":false,"advanced":false,"incumbent":true,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"https://americafirstinsight.com/wp-content/uploads/2026/05/DeSaulnierIcon.webp","endorsed":false},{"name":"Jeff Frese","party":"Republican","votes":15815,"percent":14.68,"color":"#46a2ea","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Katherine Piccinini","party":"Republican","votes":13583,"percent":12.61,"color":"#ea46d1","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Angela Griffiths","party":"Republican","votes":7227,"percent":6.71,"color":"#7746ea","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Joshua Hamilton","party":"Democratic","votes":3242,"percent":3.01,"color":"#ead546","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Mitchell Maisler","party":"Democratic","votes":2696,"percent":2.5,"color":"#73ea46","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Bob Rowland","party":"Democratic","votes":1778,"percent":1.65,"color":"#46eaa6","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata"],"bio":"","photourl":"","endorsed":false}]},"alameda":{"name":"Alameda","type":"County","fips":"06001","fill":"#4874a3","percent_reporting":41.78,"candidates":[{"name":"Mark DeSaulnier","party":"Democratic","votes":3864,"percent":49.31,"color":"#0f4b8f","winner":false,"advanced":false,"incumbent":true,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"https://americafirstinsight.com/wp-content/uploads/2026/05/DeSaulnierIcon.webp","endorsed":false},{"name":"Jeff Frese","party":"Republican","votes":1159,"percent":14.79,"color":"#46a2ea","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Katherine Piccinini","party":"Republican","votes":861,"percent":10.99,"color":"#ea46d1","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Angela Griffiths","party":"Republican","votes":673,"percent":8.59,"color":"#7746ea","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Joshua Hamilton","party":"Democratic","votes":581,"percent":7.41,"color":"#ead546","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Mitchell Maisler","party":"Democratic","votes":553,"percent":7.06,"color":"#73ea46","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata","runtime"],"bio":"","photourl":"","endorsed":false},{"name":"Bob Rowland","party":"Democratic","votes":145,"percent":1.85,"color":"#46eaa6","winner":false,"advanced":false,"incumbent":false,"major_candidate":true,"major_reason":["metadata"],"bio":"","photourl":"","endorsed":false}]}}}