Kentucky Population By County in 2010
Updated on January 29, 2024.
Based on the US Census Vintage data estimates, in 2010, the population of Kentucky was 4,348,464. Among all Kentucky counties, Jefferson[object Promise] had the highest population (742,096), followed by Fayette[object Promise] (296,868), and Kenton[object Promise] (159,967). Robertson[object Promise] was the least populated county (2,278).
Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.
You can see similar information for other states and by state for the United States.
Related Topics: Kentucky Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Kentucky Population By County in 2010
Kentucky Population By County in 2010
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| County | Population | % of State Population |
|---|---|---|
| Adair | 18750 | 0.43 |
| Allen | 20023 | 0.46 |
| Anderson | 21478 | 0.49 |
| Ballard | 8250 | 0.19 |
| Barren | 42117 | 0.97 |
| Bath | 11622 | 0.27 |
| Bell | 28704 | 0.66 |
| Boone | 119380 | 2.75 |
| Bourbon | 19965 | 0.46 |
| Boyd | 49602 | 1.14 |
| Boyle | 28668 | 0.66 |
| Bracken | 8513 | 0.20 |
| Breathitt | 13855 | 0.32 |
| Breckinridge | 20045 | 0.46 |
| Bullitt | 74483 | 1.71 |
| Butler | 12742 | 0.29 |
| Caldwell | 13010 | 0.30 |
| Calloway | 37360 | 0.86 |
| Campbell | 90806 | 2.09 |
| Carlisle | 5084 | 0.12 |
| Carroll | 10806 | 0.25 |
| Carter | 27739 | 0.64 |
| Casey | 15987 | 0.37 |
| Christian | 74145 | 1.71 |
| Clark | 35599 | 0.82 |
| Clay | 21668 | 0.50 |
| Clinton | 10256 | 0.24 |
| Crittenden | 9297 | 0.21 |
| Cumberland | 6858 | 0.16 |
| Daviess | 96722 | 2.22 |
| Edmonson | 12239 | 0.28 |
| Elliott | 7845 | 0.18 |
| Estill | 14722 | 0.34 |
| Fayette | 296868 | 6.83 |
| Fleming | 14398 | 0.33 |
| Floyd | 39933 | 0.92 |
| Franklin | 49248 | 1.13 |
| Fulton | 6797 | 0.16 |
| Gallatin | 8607 | 0.20 |
| Garrard | 16942 | 0.39 |
| Grant | 24681 | 0.57 |
| Graves | 37254 | 0.86 |
| Grayson | 25786 | 0.59 |
| Green | 11260 | 0.26 |
| Greenup | 36889 | 0.85 |
| Hancock | 8550 | 0.20 |
| Hardin | 106970 | 2.46 |
| Harlan | 29223 | 0.67 |
| Harrison | 18799 | 0.43 |
| Hart | 18184 | 0.42 |
| Henderson | 46263 | 1.06 |
| Henry | 15372 | 0.35 |
| Hickman | 4868 | 0.11 |
| Hopkins | 46841 | 1.08 |
| Jackson | 13476 | 0.31 |
| Jefferson | 742096 | 17.07 |
| Jessamine | 48682 | 1.12 |
| Johnson | 23398 | 0.54 |
| Kenton | 159967 | 3.68 |
| Knott | 16350 | 0.38 |
| Knox | 31846 | 0.73 |
| Larue | 14181 | 0.33 |
| Laurel | 58993 | 1.36 |
| Lawrence | 15856 | 0.37 |
| Lee | 7714 | 0.18 |
| Leslie | 11278 | 0.26 |
| Letcher | 24534 | 0.56 |
| Lewis | 13836 | 0.32 |
| Lincoln | 24730 | 0.57 |
| Livingston | 9520 | 0.22 |
| Logan | 26854 | 0.62 |
| Lyon | 8329 | 0.19 |
| McCracken | 65523 | 1.51 |
| McCreary | 18328 | 0.42 |
| McLean | 9503 | 0.22 |
| Madison | 83471 | 1.92 |
| Magoffin | 13307 | 0.31 |
| Marion | 19853 | 0.46 |
| Marshall | 31453 | 0.72 |
| Martin | 12894 | 0.30 |
| Mason | 17503 | 0.40 |
| Meade | 28701 | 0.66 |
| Menifee | 6368 | 0.15 |
| Mercer | 21318 | 0.49 |
| Metcalfe | 10135 | 0.23 |
| Monroe | 10970 | 0.25 |
| Montgomery | 26554 | 0.61 |
| Morgan | 13732 | 0.32 |
| Muhlenberg | 31659 | 0.73 |
| Nelson | 43626 | 1.00 |
| Nicholas | 7140 | 0.16 |
| Ohio | 23829 | 0.55 |
| Oldham | 60441 | 1.39 |
| Owen | 10848 | 0.25 |
| Owsley | 4751 | 0.11 |
| Pendleton | 14915 | 0.34 |
| Perry | 28668 | 0.66 |
| Pike | 65076 | 1.50 |
| Powell | 12641 | 0.29 |
| Pulaski | 63195 | 1.45 |
| Robertson | 2278 | 0.05 |
| Rockcastle | 17086 | 0.39 |
| Rowan | 23376 | 0.54 |
| Russell | 17582 | 0.40 |
| Scott | 47271 | 1.09 |
| Shelby | 42222 | 0.97 |
| Simpson | 17337 | 0.40 |
| Spencer | 17167 | 0.40 |
| Taylor | 24635 | 0.57 |
| Todd | 12426 | 0.29 |
| Trigg | 14321 | 0.33 |
| Trimble | 8809 | 0.20 |
| Union | 15274 | 0.35 |
| Warren | 114348 | 2.63 |
| Washington | 11683 | 0.27 |
| Wayne | 20833 | 0.48 |
| Webster | 13579 | 0.31 |
| Whitley | 35718 | 0.82 |
| Wolfe | 7364 | 0.17 |
| Woodford | 25040 | 0.58 |