6:admin_level: 6attribution: USGS 2001 County Boundaryborder_type: countyboundary: administrativeis_in_state: Tennesseename: Williamson Countynist_fips_code: 47187nist_state_fips: 47place: countypopulation: 211672source_population: https://www.census.gov/programs-surveys/popest.htmlsource: county_import_v0.1_20080508235502type: boundarywikidata: Q501948wikipedia: en:Williamson County, Tennessee