N.Y. Jud. Law § 140
The state is hereby divided into thirteen judicial districts, pursuant to the provisions of the first section of the sixth article of the constitution, which districts shall be arranged as follows:
The first judicial district shall consist of the county of New York;
The second judicial district shall consist of the county of Kings;
The third judicial district shall consist of the counties of Columbia, Sullivan, Ulster, Greene, Albany, Schoharie and Rensselaer;
The fourth judicial district shall consist of the counties of Warren, Saratoga, Washington, Essex, Franklin, Saint Lawrence, Clinton, Montgomery, Hamilton, Fulton and Schenectady;
The fifth judicial district shall consist of the counties of Onondaga, Oneida, Oswego, Herkimer, Jefferson and Lewis;
The sixth judicial district shall consist of the counties of Otsego, Delaware, Madison, Chenango, Broome, Tioga, Chemung, Tompkins, Cortland and Schuyler;
The seventh judicial district shall consist of the counties of Livingston, Wayne, Seneca, Yates, Ontario, Steuben, Monroe and Cayuga;
The eighth judicial district shall consist of the counties of Erie, Chautauqua, Cattaraugus, Orleans, Niagara, Genesee, Allegany and Wyoming;
The ninth judicial district shall consist of the counties of Westchester, Putnam, Dutchess, Orange and Rockland;
The tenth judicial district shall consist of the counties of Nassau and Suffolk.
The eleventh judicial district shall consist of the county of Queens. The creation of such eleventh district shall not affect or impair the rights, privileges or compensation of any officer or employee of the supreme court in office on the first day of September, nineteen hundred and sixty-two in the tenth judicial district as theretofore constituted; each such officer or employee employed in the county of Queens on such date shall thereafter be an officer or employee for the eleventh judicial district and each such officer or employee employed in the counties of Nassau and Suffolk on such date shall thereafter be an officer or employee for the tenth judicial district.
The twelfth judicial district shall consist of the county of Bronx. The creation of such twelfth district shall not affect or impair the rights, privileges or compensation of any officer or employee of the supreme court in office on the first day of January, nineteen hundred eighty-three in the first judicial district as theretofore constituted; each such officer or employee employed in the county of Bronx on such date shall thereafter be an officer or employee for the twelfth judicial district and each such officer or employee employed in the county of New York on such date shall thereafter be an officer or employee for the first judicial district.
The thirteenth judicial district shall consist of the county of Richmond. The creation of such thirteenth district shall not affect or impair the rights, privileges or compensation of any officer or employee of the supreme court in office on the first day of January, two thousand eight in the second judicial district as theretofore constituted; each such officer or employee employed in the county of Richmond on such date shall thereafter be an officer or employee for the thirteenth judicial district and each such officer or employee employed in the county of Kings on such date shall thereafter be an officer or employee for the second judicial district.
N.Y. Jud. Law § 140