- rowid: 450542 id: 'Census Tract 1141.00: Fairfax; Unincorporated Marin' name: 'Census Tract 1141.00: Fairfax; Unincorporated Marin' date: '2022-01-05' county: Marin fips: 41 confirmed_cases: 263 note: '' population: '5206'