There are 194 Catholic Diocese in the United States. See the related links for a wikipedia listing of all the provinces and diocese.
http://en.wikipedia.org/wiki/List_of_the_Catholic_dioceses_of_the_United_States
Roman Catholic Diocese of Kisantu was created in 1931.
The population of Roman Catholic Diocese of Bandung is 40,000,000.
The population of Roman Catholic Diocese of Chingleput is 2,869,920.
The area of Roman Catholic Diocese of Inongo is 100,000 square kilometers.
Catholic diocese of Lansing.
Roman Catholic Diocese of Hanzhong's population is 1,500,000.
Roman Catholic Diocese of Keetmanshoop was created in 1909.
Roman Catholic Diocese of Shimoga was created in 1988.
The population of Roman Catholic Diocese of Hwange is 343,265.
Roman Catholic Diocese of Chanthaburi was created in 1944.
Roman Catholic Diocese of Simdega's population is 511,919.
Roman Catholic Diocese of Daet's population is 508,360.