Yellowstone County Post Offices

1605 Ash St
Ballantine, Montana 59006

841 S 26th St Rm 8
Billings, Montana 59101

16713 Iowa Ave
Broadview, Montana 59015

2250 Grant Rd
Billings, Montana 59102

413 2nd Ave
Custer, Montana 59024

155 Northern Ave
Huntley, Montana 59037

614 1st Ave
Laurel, Montana 59044

724 15th St W
Billings, Montana 59102

3519 2nd St S
Pompeys Pillar, Montana 59064

710 Wicks Ln
Billings, Montana 59105

5450 Carey Ave
Shepherd, Montana 59079

2427 Main St
Worden, Montana 59088

Yellowstone County

There are 12 US Post Offices in Yellowstone County serving a total of 181,987 residents equating to 15,166 residents per post office. It's estimated that approximately 290,472 packages are handled across the 12 county post offices annually. Yellowstone County is the most populous county in the U.S. state of Montana. As of the 2010 census, the population was 147,972, and a 2014 estimate put the population at 155,634. Its county seat is Billings. Yellowstone County is named for the Yellowstone River which roughly bisects the county from southwest to northeast. The river in turn was named after the yellow Sandstone cliffs in what is now Yellowstone County. Yellowstone County is included in the Billings, MT Metropolitan Statistical Area."