Kentucky county geography overview
Kentucky has 120 counties, which places it 4th among the 50 state and District of Columbia maps in this atlas when ordered by number of county-level units. Their combined 39,486.2 square miles of land place the state 36th by mapped land area.
The average county-level area is 329 square miles, while the median is 306 square miles. The median is often the better description of a typical unit because one or two very large areas can pull the average upward. The five largest units together account for about 9% of the state’s mapped land area.
Largest and smallest Kentucky counties
Pike County is the largest county-level unit by land area at 786.2 square miles. It represents about 2% of all mapped land in Kentucky. At the other end of the range, Gallatin County has 98.3 square miles of land.
Largest by land area
- Pike County786.2 sq mi
- Christian County717.8 sq mi
- Pulaski County658.1 sq mi
- Hardin County623.9 sq mi
- Ohio County587.1 sq mi
Smallest by land area
- Gallatin County98.3 sq mi
- Robertson County99.6 sq mi
- Carroll County128.7 sq mi
- Trimble County147.8 sq mi
- Campbell County151.3 sq mi
Rankings use land area rather than total area. This avoids making coastal or lake counties appear larger solely because their boundaries include extensive water.
Alphabetical list of Kentucky counties
The table is alphabetical, so it works as a name and FIPS-code reference rather than an area ranking. Every identifier begins with the Kentucky state FIPS prefix 21. Land and water figures are rounded to one decimal place.
120 county-level areas
Download county data / numbered map key (CSV)| No. | Name | FIPS code | Land area | Water area |
|---|---|---|---|---|
| 1 | Adair County | 21001 | 405.3 sq mi | 7.1 sq mi |
| 2 | Allen County | 21003 | 343.7 sq mi | 8.1 sq mi |
| 3 | Anderson County | 21005 | 202.3 sq mi | 2 sq mi |
| 4 | Ballard County | 21007 | 247.1 sq mi | 26.9 sq mi |
| 5 | Barren County | 21009 | 487.4 sq mi | 12.6 sq mi |
| 6 | Bath County | 21011 | 278 sq mi | 6 sq mi |
| 7 | Bell County | 21013 | 359 sq mi | 2.1 sq mi |
| 8 | Boone County | 21015 | 246.3 sq mi | 10.2 sq mi |
| 9 | Bourbon County | 21017 | 289.7 sq mi | 1.9 sq mi |
| 10 | Boyd County | 21019 | 159.9 sq mi | 2.2 sq mi |
| 11 | Boyle County | 21021 | 180.3 sq mi | 2.5 sq mi |
| 12 | Bracken County | 21023 | 202.7 sq mi | 6.3 sq mi |
| 13 | Breathitt County | 21025 | 492.4 sq mi | 2.8 sq mi |
| 14 | Breckinridge County | 21027 | 569.7 sq mi | 15.9 sq mi |
| 15 | Bullitt County | 21029 | 297.1 sq mi | 3.2 sq mi |
| 16 | Butler County | 21031 | 426.1 sq mi | 5.4 sq mi |
| 17 | Caldwell County | 21033 | 344.8 sq mi | 3.3 sq mi |
| 18 | Calloway County | 21035 | 384.9 sq mi | 25.8 sq mi |
| 19 | Campbell County | 21037 | 151.3 sq mi | 8.1 sq mi |
| 20 | Carlisle County | 21039 | 189.5 sq mi | 9.5 sq mi |
| 21 | Carroll County | 21041 | 128.7 sq mi | 8.6 sq mi |
| 22 | Carter County | 21043 | 409.5 sq mi | 2.6 sq mi |
| 23 | Casey County | 21045 | 444.3 sq mi | 1.5 sq mi |
| 24 | Christian County | 21047 | 717.8 sq mi | 6.2 sq mi |
| 25 | Clark County | 21049 | 252.5 sq mi | 2.7 sq mi |
| 26 | Clay County | 21051 | 469.3 sq mi | 1.8 sq mi |
| 27 | Clinton County | 21053 | 197.1 sq mi | 8.4 sq mi |
| 28 | Crittenden County | 21055 | 359.6 sq mi | 11.7 sq mi |
| 29 | Cumberland County | 21057 | 305.1 sq mi | 5.8 sq mi |
| 30 | Daviess County | 21059 | 458.4 sq mi | 18.1 sq mi |
| 31 | Edmonson County | 21061 | 302.8 sq mi | 5.2 sq mi |
| 32 | Elliott County | 21063 | 234.3 sq mi | 1 sq mi |
| 33 | Estill County | 21065 | 253.1 sq mi | 2.5 sq mi |
| 34 | Fayette County | 21067 | 283.9 sq mi | 1.7 sq mi |
| 35 | Fleming County | 21069 | 348.7 sq mi | 2.6 sq mi |
| 36 | Floyd County | 21071 | 393.3 sq mi | 2.4 sq mi |
| 37 | Franklin County | 21073 | 207.9 sq mi | 4.1 sq mi |
| 38 | Fulton County | 21075 | 205.9 sq mi | 24.7 sq mi |
| 39 | Gallatin County | 21077 | 98.3 sq mi | 6.4 sq mi |
| 40 | Garrard County | 21079 | 229.9 sq mi | 4 sq mi |
| 41 | Grant County | 21081 | 258 sq mi | 2.8 sq mi |
| 42 | Graves County | 21083 | 551.8 sq mi | 5 sq mi |
| 43 | Grayson County | 21085 | 499.5 sq mi | 11.5 sq mi |
| 44 | Green County | 21087 | 286 sq mi | 2.8 sq mi |
| 45 | Greenup County | 21089 | 344.5 sq mi | 10 sq mi |
| 46 | Hancock County | 21091 | 187.7 sq mi | 11.2 sq mi |
| 47 | Hardin County | 21093 | 623.9 sq mi | 6.2 sq mi |
| 48 | Harlan County | 21095 | 465.8 sq mi | 2.3 sq mi |
| 49 | Harrison County | 21097 | 306.5 sq mi | 3.4 sq mi |
| 50 | Hart County | 21099 | 412.7 sq mi | 5.2 sq mi |
| 51 | Henderson County | 21101 | 436.4 sq mi | 29.2 sq mi |
| 52 | Henry County | 21103 | 286.3 sq mi | 4.9 sq mi |
| 53 | Hickman County | 21105 | 242.3 sq mi | 10.7 sq mi |
| 54 | Hopkins County | 21107 | 542.3 sq mi | 12.1 sq mi |
| 55 | Jackson County | 21109 | 345.2 sq mi | 1.3 sq mi |
| 56 | Jefferson County | 21111 | 380.8 sq mi | 16.8 sq mi |
| 57 | Jessamine County | 21113 | 172.1 sq mi | 2.4 sq mi |
| 58 | Johnson County | 21115 | 262 sq mi | 2.2 sq mi |
| 59 | Kenton County | 21117 | 160.4 sq mi | 3.9 sq mi |
| 60 | Knott County | 21119 | 351.5 sq mi | 1.3 sq mi |
| 61 | Knox County | 21121 | 386.3 sq mi | 1.4 sq mi |
| 62 | Larue County | 21123 | 261.1 sq mi | 2.6 sq mi |
| 63 | Laurel County | 21125 | 433.7 sq mi | 10 sq mi |
| 64 | Lawrence County | 21127 | 415.6 sq mi | 4.5 sq mi |
| 65 | Lee County | 21129 | 208.8 sq mi | 2.4 sq mi |
| 66 | Leslie County | 21131 | 400.9 sq mi | 3.5 sq mi |
| 67 | Letcher County | 21133 | 337.9 sq mi | 1.1 sq mi |
| 68 | Lewis County | 21135 | 482.9 sq mi | 12.3 sq mi |
| 69 | Lincoln County | 21137 | 332.9 sq mi | 3.5 sq mi |
| 70 | Livingston County | 21139 | 313 sq mi | 29.2 sq mi |
| 71 | Logan County | 21141 | 552.2 sq mi | 4.8 sq mi |
| 72 | Lyon County | 21143 | 213.8 sq mi | 42.7 sq mi |
| 73 | Madison County | 21151 | 437.9 sq mi | 5.3 sq mi |
| 74 | Magoffin County | 21153 | 308.4 sq mi | 0.7 sq mi |
| 75 | Marion County | 21155 | 343.6 sq mi | 3.3 sq mi |
| 76 | Marshall County | 21157 | 302.1 sq mi | 38 sq mi |
| 77 | Martin County | 21159 | 229.6 sq mi | 1 sq mi |
| 78 | Mason County | 21161 | 240.1 sq mi | 6.3 sq mi |
| 79 | McCracken County | 21145 | 248.8 sq mi | 19.1 sq mi |
| 80 | McCreary County | 21147 | 426.7 sq mi | 4.2 sq mi |
| 81 | McLean County | 21149 | 252.5 sq mi | 3.7 sq mi |
| 82 | Meade County | 21163 | 305.5 sq mi | 18.9 sq mi |
| 83 | Menifee County | 21165 | 203.5 sq mi | 2.4 sq mi |
| 84 | Mercer County | 21167 | 249.4 sq mi | 3.9 sq mi |
| 85 | Metcalfe County | 21169 | 289.7 sq mi | 1.5 sq mi |
| 86 | Monroe County | 21171 | 329.5 sq mi | 2.6 sq mi |
| 87 | Montgomery County | 21173 | 197.4 sq mi | 1.5 sq mi |
| 88 | Morgan County | 21175 | 381.1 sq mi | 2.7 sq mi |
| 89 | Muhlenberg County | 21177 | 467.3 sq mi | 12.1 sq mi |
| 90 | Nelson County | 21179 | 418.7 sq mi | 5.4 sq mi |
| 91 | Nicholas County | 21181 | 195.3 sq mi | 1.5 sq mi |
| 92 | Ohio County | 21183 | 587.1 sq mi | 9.1 sq mi |
| 93 | Oldham County | 21185 | 187.3 sq mi | 9.1 sq mi |
| 94 | Owen County | 21187 | 350.5 sq mi | 3.8 sq mi |
| 95 | Owsley County | 21189 | 197.4 sq mi | 0.9 sq mi |
| 96 | Pendleton County | 21191 | 277.1 sq mi | 4.8 sq mi |
| 97 | Perry County | 21193 | 339.7 sq mi | 2.9 sq mi |
| 98 | Pike County | 21195 | 786.2 sq mi | 2.3 sq mi |
| 99 | Powell County | 21197 | 179 sq mi | 1.2 sq mi |
| 100 | Pulaski County | 21199 | 658.1 sq mi | 19 sq mi |
| 101 | Robertson County | 21201 | 99.6 sq mi | 0.5 sq mi |
| 102 | Rockcastle County | 21203 | 316.6 sq mi | 1.5 sq mi |
| 103 | Rowan County | 21205 | 279.9 sq mi | 6.4 sq mi |
| 104 | Russell County | 21207 | 253.3 sq mi | 29.6 sq mi |
| 105 | Scott County | 21209 | 282.2 sq mi | 3.2 sq mi |
| 106 | Shelby County | 21211 | 379.8 sq mi | 5.9 sq mi |
| 107 | Simpson County | 21213 | 234.2 sq mi | 2.3 sq mi |
| 108 | Spencer County | 21215 | 186.7 sq mi | 5 sq mi |
| 109 | Taylor County | 21217 | 266.4 sq mi | 10.4 sq mi |
| 110 | Todd County | 21219 | 374.5 sq mi | 2.5 sq mi |
| 111 | Trigg County | 21221 | 441.4 sq mi | 39.9 sq mi |
| 112 | Trimble County | 21223 | 147.8 sq mi | 8.2 sq mi |
| 113 | Union County | 21225 | 342.9 sq mi | 20.3 sq mi |
| 114 | Warren County | 21227 | 541.7 sq mi | 5.8 sq mi |
| 115 | Washington County | 21229 | 297.3 sq mi | 3.9 sq mi |
| 116 | Wayne County | 21231 | 458 sq mi | 26.1 sq mi |
| 117 | Webster County | 21233 | 332 sq mi | 3.6 sq mi |
| 118 | Whitley County | 21235 | 437.9 sq mi | 7.2 sq mi |
| 119 | Wolfe County | 21237 | 222.2 sq mi | 0.6 sq mi |
| 120 | Woodford County | 21239 | 189.6 sq mi | 2.5 sq mi |
How to read and use this map
County lines are administrative boundaries, not postal routes. A mailing address can use a city name associated with a neighboring area, and ZIP codes can cross county lines. When you need to identify a county for an address, confirm it with an official geocoder or local government source.
For classroom or planning use, download a PDF from the controls above. Labelled exports use numbered callouts for crowded areas; numbered quiz maps match the alphabetical county list. SVG files keep the boundary lines sharp at larger paper sizes.
Frequently asked questions
How many counties are in Kentucky?
Kentucky has 120 counties in the U.S. Census Bureau’s 2025 cartographic boundary file.
Can I print this Kentucky county map?
Yes. Choose Download / print and select PDF for a landscape Letter page, PNG for an image, or SVG for editable vector artwork. Because the map is SVG, its boundary lines stay sharp when scaled.
What is the largest county in Kentucky?
Pike County is the largest by land area in this dataset at 786.2 square miles. This is an area ranking, not a population ranking.
What is the smallest county in Kentucky?
Gallatin County is the smallest by land area in this dataset at 98.3 square miles.
Are these legal survey boundaries?
No. This is a generalized reference map. Property, parcel, election, and legal boundary questions should be checked with the relevant state or local agency.
Map source
U.S. Census Bureau, 2025 Cartographic Boundary File, Counties, 1:5,000,000. Land and water area fields are supplied in the same file and converted from square meters to square miles. Accessed September 27, 2026.