Kentucky Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for Kentucky was 4,300,935 and represented 97.81% of the total Kentucky population.

Among all Kentucky counties, Jefferson had the highest citizen population (724.85K), followed by Fayette (288.65K), and Kenton (160.54K).

In terms of percentages, Caldwell had the highest percentage of its population being citizens (100.00%), followed by Estill (100.00%), and Jackson (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 2015

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

See this for other years:

Kentucky Citizen Population By County in 2015

Items per page:

0 of 0

County	Citizen Population	% of County Population
Jefferson	724850	95.90
Fayette	288655	93.63
Kenton	160540	98.49
Boone	120675	96.84
Warren	111480	93.72
Hardin	105505	98.12
Daviess	96740	98.54
Campbell	90075	98.47
Madison	84690	98.66
Bullitt	76725	99.70
Christian	72855	98.24
McCracken	64575	98.72
Pike	63185	99.61
Pulaski	63170	99.27
Oldham	62110	98.53
Laurel	59260	99.18
Jessamine	49110	97.58
Scott	49045	97.74
Franklin	48760	97.95
Boyd	48750	99.66
Hopkins	46285	99.50
Henderson	46045	99.25
Nelson	44215	99.22
Barren	42305	98.56
Shelby	41755	94.28
Floyd	38495	99.60
Graves	36660	97.76
Calloway	36400	95.53
Greenup	36365	99.70
Whitley	35635	99.55
Clark	35315	99.05
Knox	31770	99.87
Muhlenberg	31265	99.86
Marshall	31030	99.52
Boyle	28995	98.66
Meade	28860	99.18
Harlan	28355	99.84
Perry	27980	99.79
Bell	27865	99.70
Carter	27170	99.43
Montgomery	26925	99.12
Logan	26755	99.65
Grayson	25855	99.44
Taylor	24700	98.82
Lincoln	24485	99.94
Grant	24440	99.07
Woodford	24370	96.27
Ohio	23895	99.29
Letcher	23575	99.60
Rowan	23385	99.05
Johnson	23275	99.68
Anderson	21625	99.38
Clay	21145	99.27
Mercer	21060	98.69
Wayne	20495	99.23
Allen	20185	99.17
Breckinridge	20035	99.88
Marion	19480	98.81
Bourbon	19175	95.80
Adair	18675	99.07
Harrison	18455	98.95
Hart	18305	99.27
McCreary	17895	99.42
Simpson	17590	99.35
Spencer	17545	99.83
Russell	17445	98.73
Mason	17260	99.80
Rockcastle	16925	99.91
Garrard	16780	98.85
Knott	15955	99.72
Casey	15775	98.87
Lawrence	15700	99.24
Henry	15310	99.06
Union	15050	99.41
Fleming	14540	99.97
Pendleton	14490	99.83
Estill	14475	100.00
Trigg	14210	99.72
Larue	13985	98.83
Lewis	13780	99.93
Breathitt	13560	99.78
Morgan	13385	99.67
Jackson	13355	100.00
Webster	13090	98.02
Magoffin	12960	99.85
Caldwell	12825	100.00
Butler	12700	98.95
Martin	12595	99.72
Powell	12375	99.44
Todd	12375	98.80
Edmonson	12060	99.63
Bath	11890	99.25
Washington	11685	98.11
Green	11100	99.55
Leslie	10990	99.96
Owen	10710	100.00
Monroe	10575	98.24
Carroll	10430	96.31
Clinton	10085	98.97
Metcalfe	9975	99.90
McLean	9455	99.53
Livingston	9370	99.73
Crittenden	9185	99.62
Trimble	8750	99.60
Hancock	8630	99.54
Gallatin	8370	97.72
Bracken	8360	99.23
Lyon	8330	99.17
Ballard	8235	99.76
Elliott	7710	99.81
Wolfe	7260	100.00
Lee	7085	99.51
Nicholas	7065	99.86
Cumberland	6770	99.49
Fulton	6385	99.46
Menifee	6235	98.27
Carlisle	4960	99.50
Hickman	4715	99.89
Owsley	4605	99.78
Robertson	2210	100.00