Data / Rankings / Median age / Counties in Kentucky

Counties in Kentucky by median age

Lyon County had the highest median age of 120 counties in 2021, at 49.5 years. Christian County had the lowest, at 28.3 years. The median was 41.3 years and the figure for Kentucky was 39 years. Source: the U.S. Census Bureau.

Highest49.5Lyon County
Lowest28.3Christian County
Median41.3120 counties
Kentucky39History

Top 40 counties, 2021

CSVChart (SVG)

Lyon CountyLyon County: 49.5 years49.5Owsley CountyOwsley County: 48.4 years48.4Livingston CountyLivingston County: 46.4 years46.4Trigg CountyTrigg County: 45.7 years45.7Cumberland CountyCumberland County: 45.5 years45.5Marshall CountyMarshall County: 45.1 years45.1Hickman CountyHickman County: 44.7 years44.7Green CountyGreen County: 44.2 years44.2Ballard CountyBallard County: 44.1 years44.1Edmonson CountyEdmonson County: 44.1 years44.1Knott CountyKnott County: 44 years44Estill CountyEstill County: 43.8 years43.8McLean CountyMcLean County: 43.8 years43.8Crittenden CountyCrittenden County: 43.6 years43.6Elliott CountyElliott County: 43.6 years43.6Greenup CountyGreenup County: 43.6 years43.6Garrard CountyGarrard County: 43.4 years43.4Trimble CountyTrimble County: 43.4 years43.4Metcalfe CountyMetcalfe County: 43.3 years43.3Muhlenberg CountyMuhlenberg County: 43.2 years43.2Wayne CountyWayne County: 43.2 years43.2Caldwell CountyCaldwell County: 43 years43Spencer CountySpencer County: 43 years43Leslie CountyLeslie County: 42.9 years42.9Morgan CountyMorgan County: 42.9 years42.9Mercer CountyMercer County: 42.8 years42.8Breathitt CountyBreathitt County: 42.7 years42.7Floyd CountyFloyd County: 42.7 years42.7Casey CountyCasey County: 42.6 years42.6Clinton CountyClinton County: 42.6 years42.6Lewis CountyLewis County: 42.6 years42.6Owen CountyOwen County: 42.6 years42.6Pike CountyPike County: 42.6 years42.6Larue CountyLarue County: 42.5 years42.5Letcher CountyLetcher County: 42.5 years42.5Russell CountyRussell County: 42.5 years42.5Woodford CountyWoodford County: 42.5 years42.5Lee CountyLee County: 42.4 years42.4McCracken CountyMcCracken County: 42.4 years42.4Carlisle CountyCarlisle County: 42.2 years42.2
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
years
1Lyon County49.5
2Owsley County48.4
3Livingston County46.4
4Trigg County45.7
5Cumberland County45.5
6Marshall County45.1
7Hickman County44.7
8Green County44.2
9Ballard County44.1
9Edmonson County44.1
11Knott County44
12Estill County43.8
12McLean County43.8
14Crittenden County43.6
14Elliott County43.6
14Greenup County43.6
17Garrard County43.4
17Trimble County43.4
19Metcalfe County43.3
20Muhlenberg County43.2
20Wayne County43.2
22Caldwell County43
22Spencer County43
24Leslie County42.9
24Morgan County42.9
26Mercer County42.8
27Breathitt County42.7
27Floyd County42.7
29Casey County42.6
29Clinton County42.6
29Lewis County42.6
29Owen County42.6
29Pike County42.6
34Larue County42.5
34Letcher County42.5
34Russell County42.5
34Woodford County42.5
38Lee County42.4
38McCracken County42.4
40Carlisle County42.2
40Harrison County42.2
42Magoffin County42.1
43Menifee County42
43Rockcastle County42
45Boyd County41.9
45Bracken County41.9
45Breckinridge County41.9
48Lawrence County41.8
48Pulaski County41.8
50Washington County41.7
51Anderson County41.6
51Mason County41.6
53Butler County41.5
53Carter County41.5
53Clark County41.5
53Henry County41.5
53Johnson County41.5
58Bell County41.4
58Bourbon County41.4
58Hopkins County41.4
61Perry County41.2
61Wolfe County41.2
63Lincoln County41.1
63Monroe County41.1
65Harlan County41
65Henderson County41
65Jackson County41
68Bullitt County40.9
69Logan County40.7
70Fleming County40.6
70Pendleton County40.6
72Allen County40.5
72Franklin County40.5
72Nicholas County40.5
72Ohio County40.5
76Bath County40.4
76Grayson County40.4
78Barren County40.3
78Martin County40.3
80Hancock County40.2
81Hart County40.1
81Laurel County40.1
81Montgomery County40.1
81Webster County40.1
85Adair County40
85Nelson County40
87Boyle County39.9
87Shelby County39.9
89Clay County39.8
89Marion County39.8
89Oldham County39.8
92McCreary County39.7
93Graves County39.6
94Powell County39.5
95Robertson County39.3
96Fulton County39.2
97Knox County39
97Meade County39
97Simpson County39
97Union County39
101Daviess County38.7
102Gallatin County38.6
103Jefferson County38.4
104Carroll County38.3
105Jessamine County38.2
106Campbell County38.1
107Boone County38
108Kenton County37.4
109Taylor County37.3
110Todd County37.2
111Hardin County36.8
112Whitley County36.5
113Calloway County36.1
113Grant County36.1
115Scott County36
116Fayette County35
117Madison County34.3
118Warren County33.1
119Rowan County31.1
120Christian County28.3

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Lyon County, with 49.5 years in 2021, according to the U.S. Census Bureau.

Which county has the lowest median age?

Christian County, with 28.3 years in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Kentucky: more rankings