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Demographic Data Report for Kentucky by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age Under 18)
 sort by sample size descending
Rank within US
(of 3143 counties)
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Kentucky N/A 22.6 1,024,976 17 of 52
United States N/A 22.0 73,517,834 N/A
Robertson County Rural 26.6 607 203
Owsley County Rural 19.3 766 2,459
Hickman County Rural 19.3 855 2,459
Carlisle County Urban 23.5 1,117 847
Lyon County Rural 13.6 1,207 3,103
Elliott County Rural 17.0 1,245 2,883
Menifee County Rural 21.0 1,311 1,910
Cumberland County Rural 22.1 1,312 1,441
Lee County Rural 18.1 1,330 2,708
Fulton County Rural 21.8 1,400 1,576
Wolfe County Rural 22.4 1,444 1,311
Ballard County Urban 19.9 1,520 2,294
Trimble County Rural 21.2 1,812 1,816
Nicholas County Rural 24.4 1,879 573
Bracken County Urban 23.1 1,950 1,006
Livingston County Urban 22.0 1,963 1,478
Clinton County Rural 21.5 1,974 1,698
Gallatin County Urban 23.0 2,013 1,057
McLean County Urban 22.5 2,053 1,260
Crittenden County Rural 23.2 2,080 962
Leslie County Rural 20.7 2,085 2,021
Hancock County Rural 23.9 2,157 717
Martin County Rural 19.8 2,179 2,323
Edmonson County Urban 18.0 2,225 2,719
Green County Rural 21.2 2,405 1,816
Metcalfe County Rural 23.6 2,456 809
Owen County Rural 22.1 2,499 1,441
Union County Rural 18.8 2,499 2,580
Magoffin County Rural 22.4 2,545 1,311
Knott County Rural 19.8 2,741 2,323
Monroe County Rural 24.4 2,753 573
Washington County Rural 22.9 2,783 1,096
Breathitt County Rural 21.2 2,812 1,816
Morgan County Rural 20.1 2,824 2,226
Butler County Urban 23.1 2,867 1,006
Caldwell County Rural 22.9 2,895 1,096
Carroll County Rural 26.6 2,918 203
Lewis County Rural 22.7 2,942 1,174
Estill County Rural 21.3 2,984 1,775
Webster County Rural 24.0 3,084 690
Jackson County Rural 23.8 3,111 748
Trigg County Urban 21.9 3,128 1,525
Powell County Rural 24.8 3,230 473
Bath County Rural 25.5 3,271 321
Todd County Rural 27.0 3,370 175
Larue County Urban 22.5 3,401 1,260
Pendleton County Urban 23.3 3,427 926
Rockcastle County Rural 21.5 3,480 1,698
Fleming County Rural 23.9 3,656 717
Casey County Rural 23.0 3,665 1,057
McCreary County Rural 21.8 3,672 1,576
Henry County Urban 23.5 3,722 847
Adair County Rural 19.7 3,761 2,348
Lawrence County Urban 23.4 3,763 889
Mason County Rural 22.4 3,790 1,311
Garrard County Rural 21.6 3,791 1,650
Wayne County Rural 20.4 4,007 2,129
Clay County Rural 20.6 4,096 2,055
Russell County Rural 23.1 4,212 1,006
Harrison County Rural 23.4 4,476 889
Letcher County Rural 21.8 4,542 1,576
Spencer County Urban 22.5 4,550 1,260
Bourbon County Urban 22.8 4,622 1,133
Simpson County Rural 23.4 4,679 889
Marion County Rural 23.8 4,700 748
Breckinridge County Rural 22.8 4,768 1,133
Hart County Rural 24.4 4,782 573
Rowan County Rural 19.6 4,821 2,372
Allen County Urban 23.1 4,914 1,006
Johnson County Rural 22.2 4,966 1,395
Mercer County Rural 21.8 5,017 1,576
Bell County Rural 21.9 5,138 1,525
Anderson County Rural 23.1 5,634 1,006
Ohio County Rural 23.9 5,663 717
Woodford County Urban 21.7 5,929 1,613
Carter County Urban 22.6 5,941 1,220
Lincoln County Rural 24.4 5,971 573
Taylor County Rural 23.0 6,083 1,057
Harlan County Rural 23.7 6,120 778
Grayson County Rural 23.8 6,349 748
Marshall County Rural 20.1 6,388 2,226
Perry County Rural 23.4 6,435 889
Muhlenberg County Rural 21.1 6,449 1,869
Boyle County Rural 20.9 6,467 1,936
Montgomery County Rural 23.2 6,593 962
Meade County Urban 21.9 6,607 1,525
Grant County Urban 26.5 6,735 215
Logan County Rural 24.3 6,789 602
Calloway County Rural 18.2 6,972 2,692
Knox County Rural 23.6 7,053 809
Greenup County Urban 21.3 7,548 1,775
Floyd County Rural 21.9 7,729 1,525
Clark County Urban 22.5 8,358 1,260
Graves County Rural 24.2 8,849 635
Whitley County Rural 26.2 9,657 240
Henderson County Rural 22.6 10,016 1,220
Boyd County Urban 21.2 10,159 1,816
Hopkins County Rural 23.0 10,378 1,057
Barren County Rural 23.9 10,730 717
Franklin County Rural 21.0 10,864 1,910
Shelby County Urban 22.2 10,890 1,395
Nelson County Urban 23.0 10,972 1,057
Pike County Rural 20.3 11,494 2,158
Jessamine County Urban 23.8 12,966 748
Laurel County Rural 22.6 14,265 1,220
Scott County Urban 24.3 14,479 602
Pulaski County Rural 22.2 14,636 1,395
McCracken County Urban 21.8 14,733 1,576
Oldham County Urban 24.7 17,135 495
Bullitt County Urban 21.2 17,795 1,816
Campbell County Urban 20.6 19,222 2,055
Madison County Rural 21.0 20,145 1,910
Christian County Urban 28.3 20,421 121
Daviess County Urban 24.5 25,381 542
Hardin County Urban 24.7 27,635 495
Warren County Urban 23.7 33,379 778
Boone County Urban 25.6 35,763 306
Kenton County Urban 23.3 39,980 926
Fayette County Urban 21.0 67,924 1,910
Jefferson County Urban 22.3 174,276 1,356

Notes:
Created by statecancerprofiles.cancer.gov on 03/22/2026 7:53 am.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Population: Age under 18, see the dictionary.

Data for United States does not include Puerto Rico.

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