The area of Ky Son District is 2,095 square kilometers.
Ky Son District's population is 63,198.
The area of Ky Anh District is 1,058 square kilometers.
The area of Tan Ky District is 726 square kilometers.
The area of Son Dong District is 844 square kilometers.
The area of Tay Son District is 690 square kilometers.
The area of Kim Son District is 165 square kilometers.
The area of Luong Son District is 375 square kilometers.
The area of Son Duong District is 789 square kilometers.
The area of Thoai Son District is 456 square kilometers.
The area of Yen Son District is 1,210 square kilometers.
The area of Anh Son District is 597 square kilometers.
The area of Nga Son District is 151 square kilometers.