Sponsored Listings:
Arthur Post Office
330 Main St
Arthur, North Dakota 58006
Buffalo Post Office
305 Main St
Buffalo, North Dakota 58011
Casselton Post Office
840 Front St
Casselton, North Dakota 58012
Davenport Post Office
50 1st Ave
Davenport, North Dakota 58021
Erie Post Office
406 Main Ave
Erie, North Dakota 58029
Fargo Post Office
657 2nd Ave N Rm 104
Fargo, North Dakota 58102
Gardner Post Office
409 Front St
Gardner, North Dakota 58036
Grandin Post Office
301 3rd St
Grandin, North Dakota 58038
Harwood Post Office
521 Dakota Ave
Harwood, North Dakota 58042
Horace Post Office
91 Main St N
Horace, North Dakota 58047
Hunter Post Office
107 Main St
Hunter, North Dakota 58048
Kindred Post Office
472 Elm St
Kindred, North Dakota 58051
Leonard Post Office
406 Railroad Ave S
Leonard, North Dakota 58052
Mapleton Post Office
651 2nd St
Mapleton, North Dakota 58059
Page Post Office
137 Morton Ave
Page, North Dakota 58064
Prairiewood Post Office
1455 32nd St S
Fargo, North Dakota 58103
Tower City Post Office
505 Broadway St
Tower City, North Dakota 58071
West Fargo Post Office
415 Main Ave E
West Fargo, North Dakota 58078
Cass County
There are 18 US Post Offices in Cass County serving a total of 117,377 residents equating to 6,521 residents per post office. It's estimated that approximately 187,347 packages are handled across the 18 county post offices annually. Cass County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 149,778, and was estimated to be 171,512 in 2015. Cass County is the most populous county in North Dakota, accounting for nearly 23% of the state's population. Its county seat is Fargo, the most populous city in the state. The county was organized on October 27, 1873. Cass County is part of the Fargo, ND-MN Metropolitan Statistical Area."