- rowid: 317507 id: 'Census Tract 1141.00: Fairfax; Unincorporated Marin' name: 'Census Tract 1141.00: Fairfax; Unincorporated Marin' date: '2022-04-20' county: Marin fips: 41 confirmed_cases: 428 note: '' population: '5206'