Kentucky Population By County in 2022

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2022, the population of Kentucky was 4,519,233. Among all Kentucky counties, Jefferson had the highest population (777,329), followed by Fayette (321,505), and Kenton (170,413).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

Related Topics: Kentucky Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

See this for other years:

Kentucky Population By County in 2022

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County	Population	% of State Population
Adair	19089	0.42
Allen	21246	0.47
Anderson	24279	0.54
Ballard	7633	0.17
Barren	44851	0.99
Bath	12818	0.28
Bell	23514	0.52
Boone	139377	3.08
Bourbon	20144	0.45
Boyd	48048	1.06
Boyle	30854	0.68
Bracken	8436	0.19
Breathitt	13353	0.30
Breckinridge	20942	0.46
Bullitt	83901	1.86
Butler	12371	0.27
Caldwell	12601	0.28
Calloway	38119	0.84
Campbell	93305	2.07
Carlisle	4723	0.11
Carroll	10935	0.24
Carter	26300	0.58
Casey	15893	0.35
Christian	72213	1.60
Clark	37012	0.82
Clay	19884	0.44
Clinton	9140	0.20
Crittenden	8971	0.20
Cumberland	5950	0.13
Daviess	103373	2.29
Edmonson	12300	0.27
Elliott	7301	0.16
Estill	13994	0.31
Fayette	321505	7.11
Fleming	15257	0.34
Floyd	35519	0.79
Franklin	51617	1.14
Fulton	6389	0.14
Gallatin	8786	0.19
Garrard	17580	0.39
Grant	25466	0.56
Graves	36532	0.81
Grayson	26623	0.59
Green	11379	0.25
Greenup	35384	0.78
Hancock	9043	0.20
Hardin	111776	2.47
Harlan	25610	0.57
Harrison	19085	0.42
Hart	19592	0.43
Henderson	44017	0.97
Henry	15730	0.35
Hickman	4422	0.10
Hopkins	44879	0.99
Jackson	12989	0.29
Jefferson	777329	17.20
Jessamine	54333	1.20
Johnson	22234	0.49
Kenton	170413	3.77
Knott	13848	0.31
Knox	29734	0.66
Larue	15165	0.34
Laurel	62891	1.39
Lawrence	16037	0.36
Lee	7259	0.16
Leslie	10044	0.22
Letcher	20792	0.46
Lewis	12924	0.29
Lincoln	24392	0.54
Livingston	8960	0.20
Logan	27855	0.62
Lyon	9119	0.20
McCracken	67333	1.49
McCreary	16788	0.37
McLean	9112	0.20
Madison	95219	2.11
Magoffin	11325	0.25
Marion	19731	0.44
Marshall	31766	0.70
Martin	11095	0.25
Mason	16880	0.37
Meade	30028	0.66
Menifee	6215	0.14
Mercer	22927	0.51
Metcalfe	10401	0.23
Monroe	11328	0.25
Montgomery	28348	0.63
Morgan	14156	0.31
Muhlenberg	30684	0.68
Nelson	47429	1.05
Nicholas	7776	0.17
Ohio	23549	0.52
Oldham	69506	1.54
Owen	11292	0.25
Owsley	3941	0.09
Pendleton	14688	0.33
Perry	27378	0.61
Pike	56328	1.25
Powell	13067	0.29
Pulaski	65776	1.46
Robertson	2254	0.05
Rockcastle	16213	0.36
Rowan	24428	0.54
Russell	18177	0.40
Scott	59413	1.32
Shelby	48884	1.08
Simpson	19926	0.44
Spencer	20204	0.45
Taylor	26421	0.59
Todd	12431	0.28
Trigg	14338	0.32
Trimble	8525	0.19
Union	13107	0.29
Warren	140503	3.11
Washington	12062	0.27
Wayne	19663	0.44
Webster	12724	0.28
Whitley	36950	0.82
Wolfe	6415	0.14
Woodford	27150	0.60