There are many named locations, cities, counties, corners, and other places in Marquette County. Here is a list of some of them in alphabetical order, with notes on the origin of the name.
- Antlers, a station on a spur of the old Big Bay Branch of the Lake Superior and Ishpeming Railroad between Marquette and Big Bay
- Arnold, an unincorporated community in south central Wells Township near the intersection of County Road 426 and County Road 557
- Austin, an unincorporated community in north central Forsyth Township to the west of Gwinn on M-35
- Bagdad, north of Eagle Mills in Negaunee Township, 6 miles from Marquette on the DSS&A, the site of a quarry in the 1850s (Romig, 39)
- Bagdad Junction, one mile from Bagdad (Romig, 39)
- Bancroft, at a clearing of the Dead River 4 miles from Marquette, a station on the Marquettte, Houghton and Ontonogan Railroad; site of a furnace for the Bancroft Iron Company. (Romig, 41)
- Beacon, north of Champion at the Champion Mine; post office 1877-1957 (Romig, 109)
- Big Bay, population 265 (2000), in Powell Township
- Birch, a station on a spur of the old Big Bay Branch of the Lake Superior and Ishpeming Railroad between Marquette and Big Bay; post office 1905-1920; settled around the Northern Lumber Company mill and store
- Buckroe, a station on a spur of the old Big Bay Branch of the Lake Superior and Ishpeming Railroad between Marquette and Big Bay;
- Carlshend, an unincorporated community in Skandia Township at the intersection of County Road 456 and County Road 541 (Carlshend Road and Little Lake Road).
- Champion, an unincorporated community in Champion Township on US-41 / M-28
- Champion Township, population 297 (2000)
- Chocolay
- Chocolay Charter Township
- Clarksburg
- Diorite
- Dukes, an unincorporated community in Skandia Township
- Eagle Mills
- Ely Township
- Ewing Township
- Forestville
- Forsyth
- Forsyth Township
- Gordon
- Green Garden
- Greenwood
- Gwinn, population 1917 (2010), in north central Forsyth Township on M-35
- Harvey, an unincorporated community in Chocolay Charter Township
- Helena, in northwest Turin Township on M-35 north of McFarland
- Humboldt
- Humboldt Township
- Iron Bay, the fictional county seat of Iron Cliffs County in Anatomy of a Murder
- Iron Cliffs County, the fictional county in which Anatomy of a Murder is set
- Ishpeming, population 6470 (2010)
- Ishpeming Township, population 3522 (2000)
- Lawson, an unincorporated community in southern Skandia Township; at the intersection of the Munising Railroad and the Marquette and Southeastern Railroad
- Little Lake, in northeast Forsyth Township on M-35
- Maas Mine, a station on the Lake Superior and Ishpeming Railroad between Negaunee and Eagle Mills
- Mangum
- Maple Grove, an unincorporated community in southern Skandia Township on US-41 at County Road 533
- Mashek, in south central Wells Township a mile east of Arnold along County Road 426
- Marquette
- Marquette Charter Township
- McFarland, an unincorporated community on M-35 at County Road 444 in northwest Turin Township
- Michigamme
- Michigamme Township
- Midway Location, in Negaunee Township on Midway Road
- National Mine, an unincorporated community in Tilden Township on Co Rd 476 south of Ishpeming
- Negaunee
- Negaunee Township
- New Swanzy, in north central Forsyth Township east of Gwinn on M-35
- North Lake
- North Republic
- Northland, in southwest Wells Township on County Road 426 on the Ford River
- Palmer, a census designated place in Richmond Township, population 449 (2000); home of the Empire Mine
- Pickerel Lake, a station on the Big Bay Branch between Big Bay and Marquette
- Plains, in north central Forsyth Township, T45N R25W Section 2, on the railroad
- Powell Township, population 724 (2000)
- Princeton, in north central Forsyth Township, on M-35 west of Gwinn
- Reade, in southwest Wells Township (T.42N.-R.26W Section 10)
- Republic
- Republic Township
- Richmond Township
- Sands Township
- Selma, an unincorporated community in Skandia Township
- Skandia
- Skandia Township, population 907 (2000)
- Snowville
- South Greenwood
- Suomi
- Swanzy, in north central Forsyth Township
- Thunder Bay, the name used in the book and movie Anatomy of a Murder for Big Bay
- Tilden Township
- Trowbridge Park
- Turin Township, population 131 (2000)
- Vick, an unincorporated community in Skandia Township
- Watson, in south central Wells Township
- Wells Township, population 231 (2010)
- West Branch Township
- West Ishpeming
- Witbeck, in southern Republic Township, T45N, R30W, Section 12 along the Soo Line Railroad
- Witch Lake, in southern Republic Township, T45N, R30W, Section 23,24,25,26 on M-95
Sources: Romig, Michigan Place Names; Michigan Townships Association; Marquette County 2004 Plat Book
