The NYIADA covers the entire state of New York split up by local counties into 14 districts:
Counties of Erie and Niagara.
Counties of Monroe, Orleans, Genesee, Wyoming, Livingston, Ontario, Yates and Wayne.
Counties of Seneca, Schuyler, Cayuga, Tompkins, Oswego, Onondaga and Cortland.
Counties of Chautauqua, Cattaraugus and Allegany.
Counties of Steuben, Chemung and Tioga.
Counties of Jefferson, St. Lawrence and Lewis.
Counties of Broome, Otsego, Delaware and Sullivan.
Counties of Herkimer, Fulton, Montgomery, Oneida, Madison and Chenango.
Counties of Warren, Saratoga, Schenectady, Albany, Washington, Schoharie and Rensselaer.
Counties of Greene, Columbia, Ulster, Dutchess and Putnam.
Counties of Orange, Rockland and Westchester.
Counties of Bronx, New York, Queens, Brooklyn and Richmond.
Counties of Nassau and Suffolk.