Kentucky Citizen Population By County in 2023 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen population for Kentucky was 4,395,160 and represented 97.44% of the total Kentucky population.

Among all Kentucky counties, Jefferson had the highest citizen population (736.11K), followed by Fayette (298.82K), and Kenton (165.39K).

In terms of percentages, Fulton had the highest percentage of its population being citizens (100.00%), followed by Lawrence (100.00%), and Livingston (100.00%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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

You may also be interested in:
Kentucky Citizen Voting-age Population By County in 2023

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Kentucky Citizen Population By County in 2023

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County	Citizen Population	% of County Population
Jefferson	736110	94.69
Fayette	298820	93.06
Kenton	165385	97.39
Boone	132695	96.38
Warren	128665	93.54
Hardin	109570	98.31
Daviess	100645	97.53
Madison	92730	98.58
Campbell	91880	98.59
Bullitt	82080	98.64
Christian	71575	98.59
Oldham	67700	98.69
McCracken	67015	99.16
Pulaski	64830	98.97
Laurel	62410	99.49
Scott	57485	98.65
Pike	57210	99.56
Jessamine	52600	97.79
Franklin	49915	96.80
Boyd	47755	99.40
Shelby	46635	95.96
Nelson	46440	98.60
Hopkins	44600	98.79
Henderson	44210	99.36
Barren	44040	98.59
Calloway	37185	98.17
Clark	36820	99.50
Whitley	36580	99.52
Graves	36095	98.59
Greenup	35470	99.52
Floyd	35205	99.62
Marshall	31650	99.75
Muhlenberg	30480	99.25
Boyle	30245	98.49
Knox	29920	99.62
Meade	29795	99.22
Montgomery	27995	99.03
Perry	27765	99.71
Logan	27640	99.68
Grayson	26440	99.46
Carter	26340	99.34
Harlan	26165	99.92
Taylor	26015	99.28
Woodford	25805	95.52
Grant	25180	99.76
Lincoln	24375	99.84
Rowan	24195	98.65
Anderson	23945	99.36
Bell	23855	99.90
Ohio	23290	98.25
Mercer	22385	98.07
Johnson	22340	99.44
Letcher	21130	99.93
Allen	20780	98.81
Breckinridge	20690	99.86
Clay	19955	99.25
Spencer	19805	99.65
Simpson	19640	99.27
Bourbon	19545	96.88
Hart	19395	99.62
Wayne	19375	98.90
Marion	19360	98.37
Harrison	18895	99.61
Adair	18510	97.34
Russell	17920	98.92
Garrard	17105	98.62
McCreary	16875	99.82
Mason	16830	99.03
Lawrence	16170	100.00
Rockcastle	16120	99.85
Casey	15770	98.87
Henry	15585	98.80
Fleming	15165	99.64
Larue	14985	99.70
Pendleton	14630	99.63
Trigg	14035	98.77
Knott	14005	99.72
Estill	13955	99.11
Morgan	13735	98.53
Breathitt	13355	99.37
Union	13335	99.66
Powell	13055	100.00
Lewis	13015	99.89
Jackson	12975	99.77
Bath	12805	99.96
Webster	12465	96.82
Caldwell	12445	98.54
Edmonson	12215	99.76
Todd	12180	98.78
Butler	12135	98.06
Washington	12020	99.42
Magoffin	11450	99.61
Green	11265	99.87
Owen	11165	99.07
Monroe	11145	98.45
Martin	11125	99.51
Carroll	10650	97.89
Leslie	10250	99.90
Metcalfe	10240	98.75
Clinton	9160	99.13
McLean	9070	99.40
Hancock	9010	99.78
Crittenden	8945	99.72
Livingston	8940	100.00
Lyon	8760	99.21
Gallatin	8600	98.29
Trimble	8495	99.59
Bracken	8395	99.64
Nicholas	7650	99.94
Ballard	7630	99.35
Lee	7360	99.80
Elliott	7330	99.93
Fulton	6440	100.00
Wolfe	6380	98.38
Menifee	6205	100.00
Cumberland	5900	99.16
Carlisle	4725	99.16
Hickman	4465	99.89
Owsley	4020	100.00
Robertson	2235	99.78