Question: De Borgia is a census-designated place in what county in Montana that had a population of 4223 as of the 2010 census?

Context paragraphs:
Malmstrom Air Force Base: Malmstrom Air Force Base is a United States Air Force base and census-designated place (CDP) in Great Falls, Cascade County, Montana, United States.  It was named in honor of World War II POW Colonel Einar Axel Malmstrom.  It is the home of the 341st Missile Wing (341 MW) of the Air Force Global Strike Command (AFGSC).  As a census-designated place, it had a population of 3,472 at the 2010 census.

Hinsdale, Montana: Hinsdale is an unincorporated community and census-designated place in Valley County, Montana, United States.  The town's population was 217 and the community's population as a whole was 583 as of the 2010 census.  The community is located on the Milk River and U.S. Route 2, with Montana Highway 537 headed north out of town and South Bench Road crossing the railroad tracks and heading south out of town.  Hinsdale has a post office with ZIP code 59241.

Belfry, Montana: Belfry is a census-designated place (CDP) in Carbon County, Montana, United States.  It is part of the Billings, Montana Metropolitan Statistical Area.  The population was 218 at the 2010 census.  It is located approximately 11 mi from the Wyoming border, roughly halfway between Billings, Montana and Cody, Wyoming.

Bonner-West Riverside, Montana: Bonner-West Riverside (Salish: Nʔaycčstm, "Place of the Big Bull Trout") is a census-designated place (CDP) in Missoula County, Montana, United States.  It is part of the Missoula, Montana Metropolitan Statistical Area.  The population was 1,663 at the 2010 census, a decline from its population of 1,693 in 2000.

Seeley Lake, Montana: Seeley Lake is a census-designated place (CDP) in Missoula County, Montana, United States.  It is part of the 'Missoula, Montana Metropolitan Statistical Area'.  The population was 1,659 at the 2010 census, an increase from its population of 1,436 in 2000.

Wye, Montana: Wye is a census-designated place (CDP) in Missoula County, Montana, United States.  It is part of the Missoula, Montana Metropolitan Statistical Area.  The population was 511 at the 2010 census, an increase from its population of 381 in 2000.  Wye is named for the "y"-shaped DeSmet Junction where US 93 and MT 200 met former US 10 (immediately south of US 10's replacement, I-90.

Vaughn, Montana: Vaughn is a census-designated place (CDP) in Cascade County, Montana, United States.  The population was 658 at the 2010 census.  It is part of the Great Falls, Montana Metropolitan Statistical Area.  It is named for Montana pioneer Robert Vaughn, whose homestead on the Vaughn Ranch encompassed part of the town.

Orchard Homes, Montana: Orchard Homes is a census-designated place (CDP) in Missoula County, Montana, United States.  It is part of the 'Missoula, Montana Metropolitan Statistical Area'.  The population was 5,197 at the 2010 census, a decrease from its population of 5,199 in 2000.

De Borgia, Montana: De Borgia is a census-designated place (CDP) in Mineral County, Montana, United States.  The population was 69 at the 2000 census.

Mineral County, Montana: Mineral County is a county located in the U.S. state of Montana.  As of the 2010 census, the population was 4,223.  Its county seat is Superior.

Supporting paragraphs: De Borgia, Montana Mineral County, Montana
Answer: Mineral County