Kentucky inland flooding risk
120 counties scored 0 rated Very High
Jefferson County has the highest inland flooding risk in Kentucky, scoring 99.1 out of 100 — rated "Relatively High" by FEMA's National Risk Index. NOAA has recorded 2,852 inland flooding events across Kentucky over the past decade.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Jefferson County | 99.1 | Relatively High | 106 |
| 2 | Floyd County | 97.8 | Relatively High | 70 |
| 3 | Pike County | 94 | Relatively High | 53 |
| 4 | Fayette County | 92.7 | Relatively Moderate | 23 |
| 5 | Daviess County | 88.8 | Relatively Moderate | 49 |
| 6 | Warren County | 87.3 | Relatively Moderate | 32 |
| 7 | Perry County | 86.3 | Relatively Moderate | 19 |
| 8 | Johnson County | 85.2 | Relatively Moderate | 11 |
| 9 | Letcher County | 83.1 | Relatively Moderate | 16 |
| 10 | Breathitt County | 82.3 | Relatively Moderate | 43 |
| 11 | Boyd County | 82.2 | Relatively Moderate | 47 |
| 12 | Bell County | 82 | Relatively Moderate | 50 |
| 13 | Pulaski County | 81.6 | Relatively Moderate | 35 |
| 14 | Clay County | 81 | Relatively Moderate | 25 |
| 15 | McCracken County | 80.4 | Relatively Moderate | 67 |
| 16 | Harlan County | 79.9 | Relatively Moderate | 22 |
| 17 | Kenton County | 76.2 | Relatively Moderate | 24 |
| 18 | Madison County | 76 | Relatively Moderate | 20 |
| 19 | Christian County | 74.9 | Relatively Moderate | 56 |
| 20 | Henderson County | 74.9 | Relatively Moderate | 43 |
| 21 | Bullitt County | 74.1 | Relatively Moderate | 26 |
| 22 | Hardin County | 73.7 | Relatively Moderate | 32 |
| 23 | Knott County | 73.1 | Relatively Moderate | 17 |
| 24 | Lawrence County | 73 | Relatively Moderate | 39 |
| 25 | Knox County | 71.7 | Relatively Low | 21 |
| 26 | Martin County | 71.2 | Relatively Low | 10 |
| 27 | Whitley County | 71.1 | Relatively Low | 34 |
| 28 | Franklin County | 71 | Relatively Low | 21 |
| 29 | Carter County | 69.4 | Relatively Low | 46 |
| 30 | Greenup County | 68.4 | Relatively Low | 47 |
| 31 | Barren County | 67.8 | Relatively Low | 16 |
| 32 | Rowan County | 67.2 | Relatively Low | 15 |
| 33 | Hopkins County | 66.6 | Relatively Low | 35 |
| 34 | Boone County | 66.4 | Relatively Low | 24 |
| 35 | Laurel County | 64.9 | Relatively Low | 28 |
| 36 | Lewis County | 64.9 | Relatively Low | 36 |
| 37 | Campbell County | 64.3 | Relatively Low | 29 |
| 38 | Estill County | 63.9 | Relatively Low | 31 |
| 39 | Nelson County | 62.7 | Relatively Low | 21 |
| 40 | Shelby County | 61.4 | Relatively Low | 12 |
| 41 | Magoffin County | 60.5 | Relatively Low | 25 |
| 42 | Oldham County | 59.7 | Relatively Low | 12 |
| 43 | Scott County | 58.1 | Relatively Low | 34 |
| 44 | Leslie County | 57.1 | Relatively Low | 17 |
| 45 | Graves County | 56.8 | Relatively Low | 32 |
| 46 | Mason County | 56.2 | Relatively Low | 35 |
| 47 | Bourbon County | 53.8 | Relatively Low | 15 |
| 48 | Ohio County | 53.8 | Relatively Low | 24 |
| 49 | Cumberland County | 53.7 | Relatively Low | 12 |
| 50 | Mercer County | 53.3 | Relatively Low | 8 |
| 51 | Rockcastle County | 53 | Relatively Low | 29 |
| 52 | Powell County | 51.4 | Relatively Low | 27 |
| 53 | Wayne County | 51.1 | Relatively Low | 3 |
| 54 | Calloway County | 50.7 | Relatively Low | 40 |
| 55 | Hart County | 49.7 | Relatively Low | 16 |
| 56 | Montgomery County | 49.7 | Relatively Low | 23 |
| 57 | Trigg County | 49.3 | Relatively Low | 17 |
| 58 | Pendleton County | 49.1 | Relatively Low | 23 |
| 59 | Breckinridge County | 49 | Relatively Low | 12 |
| 60 | Harrison County | 48.9 | Relatively Low | 17 |
| 61 | Casey County | 48.8 | Relatively Low | 25 |
| 62 | Grayson County | 48.3 | Relatively Low | 19 |
| 63 | Hancock County | 48.3 | Relatively Low | 12 |
| 64 | Woodford County | 48 | Relatively Low | 3 |
| 65 | Clark County | 47.3 | Relatively Low | 14 |
| 66 | Marshall County | 47.3 | Relatively Low | 32 |
| 67 | Fleming County | 47.1 | Relatively Low | 12 |
| 68 | McLean County | 45.8 | Relatively Low | 28 |
| 69 | Morgan County | 45.7 | Relatively Low | 24 |
| 70 | Muhlenberg County | 45.7 | Relatively Low | 74 |
| 71 | Meade County | 45.2 | Relatively Low | 10 |
| 72 | Adair County | 44.5 | Relatively Low | 11 |
| 73 | Lincoln County | 44.2 | Relatively Low | 11 |
| 74 | Boyle County | 43.2 | Relatively Low | 10 |
| 75 | Wolfe County | 42.6 | Relatively Low | 20 |
| 76 | Jackson County | 42.4 | Relatively Low | 30 |
| 77 | Jessamine County | 42.3 | Relatively Low | 5 |
| 78 | Carroll County | 41.7 | Relatively Low | 18 |
| 79 | Logan County | 41.6 | Relatively Low | 27 |
| 80 | Nicholas County | 41.3 | Relatively Low | 23 |
| 81 | Clinton County | 41 | Relatively Low | 9 |
| 82 | Garrard County | 40.9 | Relatively Low | 8 |
| 83 | Taylor County | 40.6 | Relatively Low | 21 |
| 84 | Marion County | 39.7 | Relatively Low | 18 |
| 85 | Union County | 36 | Relatively Low | 48 |
| 86 | Russell County | 35.7 | Relatively Low | 7 |
| 87 | Anderson County | 34.4 | Very Low | 10 |
| 88 | Monroe County | 34 | Very Low | 9 |
| 89 | Gallatin County | 33.9 | Very Low | 13 |
| 90 | Metcalfe County | 33 | Very Low | 13 |
| 91 | Elliott County | 32.9 | Very Low | 2 |
| 92 | Webster County | 31.8 | Very Low | 25 |
| 93 | Owen County | 30.9 | Very Low | 22 |
| 94 | Crittenden County | 30.8 | Very Low | 19 |
| 95 | Caldwell County | 30.6 | Very Low | 11 |
| 96 | Bath County | 29.5 | Very Low | 26 |
| 97 | Todd County | 29.1 | Very Low | 26 |
| 98 | Washington County | 27.8 | Very Low | 17 |
| 99 | Allen County | 27.4 | Very Low | 12 |
| 100 | Henry County | 27.3 | Very Low | 4 |
| 101 | Bracken County | 26.2 | Very Low | 12 |
| 102 | McCreary County | 24.3 | Very Low | 13 |
| 103 | Simpson County | 24.2 | Very Low | 41 |
| 104 | Butler County | 23.7 | Very Low | 19 |
| 105 | Trimble County | 23.5 | Very Low | 7 |
| 106 | Livingston County | 23.3 | Very Low | 18 |
| 107 | Larue County | 22.9 | Very Low | 14 |
| 108 | Spencer County | 22.6 | Very Low | 15 |
| 109 | Green County | 22.4 | Very Low | 11 |
| 110 | Menifee County | 21.8 | Very Low | 20 |
| 111 | Lee County | 21.2 | Very Low | 13 |
| 112 | Owsley County | 21.2 | Very Low | 11 |
| 113 | Fulton County | 19.2 | Very Low | 27 |
| 114 | Edmonson County | 18.6 | Very Low | 11 |
| 115 | Lyon County | 18.2 | Very Low | 12 |
| 116 | Grant County | 17.1 | Very Low | 12 |
| 117 | Ballard County | 12.2 | Very Low | 40 |
| 118 | Hickman County | 8.6 | Very Low | 27 |
| 119 | Carlisle County | 7.3 | Very Low | 26 |
| 120 | Robertson County | 6.6 | Very Low | 4 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Inland Flooding risk nationally:
Other hazard risks in Kentucky:
Frequently asked questions
What is the highest inland flooding risk county in Kentucky?
Jefferson County, KY has the highest inland flooding risk in Kentucky, with a FEMA National Risk Index score of 99.1 out of 100 (rated "Relatively High").
What causes inland flooding risk in Kentucky?
Inland flooding covers riverine and surface (pluvial) flooding — the most common and costly natural disaster type in the US. High scores appear across river floodplains in the Midwest, South, and Mid-Atlantic, where legacy development in flood-prone areas and aging stormwater infrastructure concentrate risk.