Rank |
County |
Population (2012) |
1 |
Shelby County, Tennessee
|
940,764
|
2 |
Davidson County, Tennessee
|
648,295
|
3 |
Knox County, Tennessee
|
441,311
|
4 |
Hamilton County, Tennessee
|
345,545
|
5 |
Rutherford County, Tennessee
|
274,454
|
6 |
Williamson County, Tennessee
|
192,911
|
7 |
Montgomery County, Tennessee
|
184,468
|
8 |
Sumner County, Tennessee
|
166,123
|
9 |
Sullivan County, Tennessee
|
156,786
|
10 |
Washington County, Tennessee
|
125,094
|
11 |
Blount County, Tennessee
|
124,177
|
12 |
Wilson County, Tennessee
|
118,961
|
13 |
Bradley County, Tennessee
|
101,134
|
14 |
Madison County, Tennessee
|
98,656
|
15 |
Sevier County, Tennessee
|
92,512
|
16 |
Maury County, Tennessee
|
81,990
|
17 |
Anderson County, Tennessee
|
75,416
|
18 |
Putnam County, Tennessee
|
73,229
|
19 |
Greene County, Tennessee
|
68,819
|
20 |
Robertson County, Tennessee
|
66,931
|
21 |
Hamblen County, Tennessee
|
62,746
|
22 |
Tipton County, Tennessee
|
61,705
|
23 |
Carter County, Tennessee
|
57,355
|
24 |
Cumberland County, Tennessee
|
57,029
|
25 |
Hawkins County, Tennessee
|
56,587
|
26 |
Roane County, Tennessee
|
53,469
|
27 |
Coffee County, Tennessee
|
53,222
|
28 |
McMinn County, Tennessee
|
52,416
|
29 |
Jefferson County, Tennessee
|
52,191
|
30 |
Dickson County, Tennessee
|
50,381
|
31 |
Loudon County, Tennessee
|
49,793
|
32 |
Gibson County, Tennessee
|
49,626
|
33 |
Bedford County, Tennessee
|
45,573
|
34 |
Monroe County, Tennessee
|
45,133
|
35 |
Lawrence County, Tennessee
|
42,086
|
36 |
Franklin County, Tennessee
|
40,772
|
37 |
Campbell County, Tennessee
|
40,420
|
38 |
Warren County, Tennessee
|
39,839
|
39 |
Cheatham County, Tennessee
|
39,271
|
40 |
Fayette County, Tennessee
|
38,659
|
41 |
Dyer County, Tennessee
|
38,255
|
42 |
Cocke County, Tennessee
|
35,571
|
43 |
Weakley County, Tennessee
|
34,793
|
44 |
Lincoln County, Tennessee
|
33,503
|
45 |
Henry County, Tennessee
|
32,341
|
46 |
Rhea County, Tennessee
|
32,247
|
47 |
Claiborne County, Tennessee
|
31,736
|
48 |
Obion County, Tennessee
|
31,340
|
49 |
Marshall County, Tennessee
|
30,883
|
50 |
Giles County, Tennessee
|
29,072
|
51 |
Carroll County, Tennessee
|
28,390
|
52 |
Marion County, Tennessee
|
28,291
|
53 |
Henderson County, Tennessee
|
28,023
|
54 |
Lauderdale County, Tennessee
|
27,718
|
55 |
Hardeman County, Tennessee
|
26,533
|
56 |
McNairy County, Tennessee
|
26,180
|
57 |
White County, Tennessee
|
26,082
|
58 |
Hardin County, Tennessee
|
25,950
|
59 |
Hickman County, Tennessee
|
24,170
|
60 |
Grainger County, Tennessee
|
22,706
|
61 |
Macon County, Tennessee
|
22,498
|
62 |
Overton County, Tennessee
|
22,190
|
63 |
Scott County, Tennessee
|
22,173
|
64 |
Morgan County, Tennessee
|
21,931
|
65 |
Union County, Tennessee
|
19,127
|
66 |
Smith County, Tennessee
|
19,102
|
67 |
DeKalb County, Tennessee
|
18,901
|
68 |
Humphreys County, Tennessee
|
18,275
|
69 |
Haywood County, Tennessee
|
18,240
|
70 |
Unicoi County, Tennessee
|
18,235
|
71 |
Johnson County, Tennessee
|
18,095
|
72 |
Fentress County, Tennessee
|
17,940
|
73 |
Chester County, Tennessee
|
17,171
|
74 |
Wayne County, Tennessee
|
16,996
|
75 |
Polk County, Tennessee
|
16,686
|
76 |
Benton County, Tennessee
|
16,361
|
77 |
Crockett County, Tennessee
|
14,623
|
78 |
Sequatchie County, Tennessee
|
14,423
|
79 |
Cannon County, Tennessee
|
13,811
|
80 |
Grundy County, Tennessee
|
13,650
|
81 |
Stewart County, Tennessee
|
13,297
|
82 |
Bledsoe County, Tennessee
|
12,792
|
83 |
Lewis County, Tennessee
|
11,896
|
84 |
Meigs County, Tennessee
|
11,698
|
85 |
Decatur County, Tennessee
|
11,673
|
86 |
Jackson County, Tennessee
|
11,441
|
87 |
Houston County, Tennessee
|
8,413
|
88 |
Perry County, Tennessee
|
7,860
|
89 |
Clay County, Tennessee
|
7,840
|
90 |
Trousdale County, Tennessee
|
7,795
|
91 |
Lake County, Tennessee
|
7,690
|
92 |
Hancock County, Tennessee
|
6,720
|
93 |
Moore County, Tennessee
|
6,339
|
94 |
Van Buren County, Tennessee
|
5,628
|
95 |
Pickett County, Tennessee
|
5,100
|