Tennessee Population By County in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the total population of Tennessee was 6.86M. Among all Tennessee counties, Shelby was the most populated county (929.18K), followed by Davidson (708.49K), and then Knox (475.29K).

On the other hand, the least populated counties were: Pickett (5.02K), Van Buren (6.08K), and Moore (6.48K).

The chart and table below shows the population of each county and the percentage of Tennessee population in each county.

You can see similar information for other states and by state for the United States.

Related Topics: Tennessee ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates, 2021 Census.

Tennessee Population By County in 2021

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County	Population	% of State Population
Anderson	76683	1.12
Bedford	49754	0.73
Benton	15872	0.23
Bledsoe	14863	0.22
Blount	134042	1.95
Bradley	107845	1.57
Campbell	39388	0.57
Cannon	14309	0.21
Carroll	28370	0.41
Carter	56314	0.82
Cheatham	40878	0.60
Chester	17278	0.25
Claiborne	31958	0.47
Clay	7568	0.11
Cocke	35896	0.52
Coffee	57227	0.83
Crockett	14012	0.20
Cumberland	60568	0.88
Davidson	708490	10.33
Decatur	11460	0.17
DeKalb	19875	0.29
Dickson	54000	0.79
Dyer	36975	0.54
Fayette	41584	0.61
Fentress	18385	0.27
Franklin	42528	0.62
Gibson	50278	0.73
Giles	30197	0.44
Grainger	23377	0.34
Greene	69926	1.02
Grundy	13471	0.20
Hamblen	64184	0.94
Hamilton	363790	5.30
Hancock	6695	0.10
Hardeman	25612	0.37
Hardin	26722	0.39
Hawkins	56803	0.83
Haywood	17912	0.26
Henderson	27800	0.41
Henry	32298	0.47
Hickman	24848	0.36
Houston	8238	0.12
Humphreys	18956	0.28
Jackson	11626	0.17
Jefferson	54358	0.79
Johnson	17912	0.26
Knox	475286	6.93
Lake	7187	0.11
Lauderdale	25406	0.37
Lawrence	43967	0.64
Lewis	12485	0.18
Lincoln	35042	0.51
Loudon	54349	0.79
McMinn	53065	0.77
McNairy	25916	0.38
Macon	24954	0.36
Madison	98373	1.43
Marion	28679	0.42
Marshall	33909	0.49
Maury	99011	1.44
Meigs	12622	0.18
Monroe	46041	0.67
Montgomery	216172	3.15
Moore	6481	0.09
Morgan	21158	0.31
Obion	30722	0.45
Overton	22364	0.33
Perry	8313	0.12
Pickett	5021	0.07
Polk	17502	0.26
Putnam	78955	1.15
Rhea	32723	0.48
Roane	53313	0.78
Robertson	72309	1.05
Rutherford	335595	4.89
Scott	21855	0.32
Sequatchie	15727	0.23
Sevier	98088	1.43
Shelby	929178	13.55
Smith	19820	0.29
Stewart	13569	0.20
Sullivan	157843	2.30
Sumner	193036	2.81
Tipton	60868	0.89
Trousdale	11463	0.17
Unicoi	17891	0.26
Union	19597	0.29
Van Buren	6083	0.09
Warren	40801	0.60
Washington	132067	1.93
Wayne	16350	0.24
Weakley	32948	0.48
White	27134	0.40
Williamson	242386	3.53
Wilson	144748	2.11