Georgia inland flooding risk
159 counties scored 0 rated Very High
Fulton County has the highest inland flooding risk in Georgia, scoring 97.7 out of 100 — rated "Relatively High" by FEMA's National Risk Index. Recorded inland flooding events across Georgia have increased 31% over the past five years compared to the prior five-year period.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Fulton County | 97.7 | Relatively High | 48 |
| 2 | Gwinnett County | 97.4 | Relatively High | 10 |
| 3 | DeKalb County | 96.2 | Relatively High | 11 |
| 4 | Cobb County | 96.1 | Relatively High | 11 |
| 5 | Chatham County | 90.8 | Relatively Moderate | 32 |
| 6 | Forsyth County | 90 | Relatively Moderate | 3 |
| 7 | Cherokee County | 88.5 | Relatively Moderate | 1 |
| 8 | Clayton County | 87.8 | Relatively Moderate | 8 |
| 9 | Dougherty County | 87.6 | Relatively Moderate | 52 |
| 10 | Muscogee County | 87.3 | Relatively Moderate | 14 |
| 11 | Richmond County | 86.5 | Relatively Moderate | 8 |
| 12 | Hall County | 86.2 | Relatively Moderate | 11 |
| 13 | Henry County | 84.5 | Relatively Moderate | 3 |
| 14 | Columbia County | 82.7 | Relatively Moderate | 19 |
| 15 | Floyd County | 82.4 | Relatively Moderate | 20 |
| 16 | Bibb County | 80.4 | Relatively Moderate | 4 |
| 17 | Decatur County | 77 | Relatively Moderate | 7 |
| 18 | Whitfield County | 75.5 | Relatively Moderate | 20 |
| 19 | Gilmer County | 75.3 | Relatively Moderate | 4 |
| 20 | Paulding County | 73.9 | Relatively Moderate | 16 |
| 21 | Coweta County | 72.1 | Relatively Low | 6 |
| 22 | Houston County | 71.6 | Relatively Low | 7 |
| 23 | Carroll County | 70.8 | Relatively Low | 4 |
| 24 | Clarke County | 70.7 | Relatively Low | 3 |
| 25 | Fayette County | 70.6 | Relatively Low | 3 |
| 26 | Douglas County | 70.5 | Relatively Low | 8 |
| 27 | Lowndes County | 70.3 | Relatively Low | 81 |
| 28 | Putnam County | 67.9 | Relatively Low | 8 |
| 29 | Bartow County | 67.8 | Relatively Low | 28 |
| 30 | Troup County | 67.7 | Relatively Low | 7 |
| 31 | Fannin County | 66.1 | Relatively Low | 8 |
| 32 | Polk County | 66 | Relatively Low | 14 |
| 33 | Walker County | 65.5 | Relatively Low | 6 |
| 34 | Walton County | 65.2 | Relatively Low | 15 |
| 35 | Catoosa County | 65 | Relatively Low | 4 |
| 36 | Rockdale County | 63.4 | Relatively Low | 2 |
| 37 | Baldwin County | 63.2 | Relatively Low | 5 |
| 38 | Gordon County | 62.1 | Relatively Low | 7 |
| 39 | Newton County | 61.8 | Relatively Low | 3 |
| 40 | Bulloch County | 60.6 | Relatively Low | 10 |
| 41 | Colquitt County | 59.6 | Relatively Low | 9 |
| 42 | Chattooga County | 59.5 | Relatively Low | 35 |
| 43 | Union County | 58.7 | Relatively Low | 19 |
| 44 | Barrow County | 58.1 | Relatively Low | 1 |
| 45 | Rabun County | 58.1 | Relatively Low | 12 |
| 46 | Thomas County | 57.3 | Relatively Low | 36 |
| 47 | Crisp County | 56.7 | Relatively Low | 7 |
| 48 | Laurens County | 56.7 | Relatively Low | 15 |
| 49 | Greene County | 54.4 | Relatively Low | 4 |
| 50 | Glynn County | 54.2 | Relatively Low | 10 |
| 51 | Spalding County | 54.1 | Relatively Low | 5 |
| 52 | Towns County | 53.6 | Relatively Low | 1 |
| 53 | Sumter County | 53.5 | Relatively Low | 2 |
| 54 | Mitchell County | 52.8 | Relatively Low | 31 |
| 55 | Liberty County | 52.3 | Relatively Low | 2 |
| 56 | Effingham County | 51.8 | Relatively Low | 5 |
| 57 | Coffee County | 51.1 | Relatively Low | 3 |
| 58 | Lumpkin County | 50.5 | Relatively Low | 6 |
| 59 | Murray County | 49.6 | Relatively Low | 3 |
| 60 | Jackson County | 47.4 | Relatively Low | 7 |
| 61 | Tift County | 46.9 | Relatively Low | 16 |
| 62 | White County | 46.2 | Relatively Low | 36 |
| 63 | Ware County | 46.1 | Relatively Low | 3 |
| 64 | Pickens County | 45.3 | Relatively Low | 5 |
| 65 | Habersham County | 44.1 | Relatively Low | 15 |
| 66 | Stephens County | 44 | Relatively Low | 1 |
| 67 | Hart County | 43.3 | Relatively Low | 2 |
| 68 | Franklin County | 43.1 | Relatively Low | 3 |
| 69 | Bryan County | 41.8 | Relatively Low | 3 |
| 70 | Grady County | 40.7 | Relatively Low | 4 |
| 71 | Harris County | 39.7 | Relatively Low | 6 |
| 72 | Haralson County | 39.2 | Relatively Low | 0 |
| 73 | Morgan County | 38.4 | Relatively Low | 8 |
| 74 | Tattnall County | 37.8 | Relatively Low | 8 |
| 75 | Toombs County | 37.8 | Relatively Low | 4 |
| 76 | Dade County | 37.3 | Relatively Low | 6 |
| 77 | Elbert County | 35.8 | Relatively Low | 7 |
| 78 | Camden County | 35.6 | Relatively Low | 4 |
| 79 | Meriwether County | 35.3 | Relatively Low | 4 |
| 80 | Lee County | 35.1 | Relatively Low | 29 |
| 81 | Oconee County | 35 | Relatively Low | 1 |
| 82 | Madison County | 34.4 | Very Low | 0 |
| 83 | Emanuel County | 34.1 | Very Low | 1 |
| 84 | Dawson County | 33.9 | Very Low | 5 |
| 85 | Macon County | 33 | Very Low | 3 |
| 86 | Early County | 32.4 | Very Low | 8 |
| 87 | Butts County | 32.1 | Very Low | 1 |
| 88 | Monroe County | 32 | Very Low | 5 |
| 89 | Upson County | 31.7 | Very Low | 14 |
| 90 | Dodge County | 31.6 | Very Low | 6 |
| 91 | Burke County | 31.3 | Very Low | 20 |
| 92 | Brooks County | 31.1 | Very Low | 14 |
| 93 | Wayne County | 30.2 | Very Low | 4 |
| 94 | Berrien County | 30.1 | Very Low | 21 |
| 95 | Seminole County | 29.5 | Very Low | 4 |
| 96 | Clinch County | 29 | Very Low | 1 |
| 97 | McDuffie County | 28.2 | Very Low | 1 |
| 98 | Jones County | 28 | Very Low | 6 |
| 99 | Telfair County | 27.8 | Very Low | 4 |
| 100 | Cook County | 27 | Very Low | 6 |
| 101 | Hancock County | 26.9 | Very Low | 2 |
| 102 | Washington County | 26.2 | Very Low | 6 |
| 103 | Worth County | 26 | Very Low | 45 |
| 104 | Jefferson County | 24.3 | Very Low | 2 |
| 105 | Appling County | 24 | Very Low | 6 |
| 106 | Ben Hill County | 23.3 | Very Low | 10 |
| 107 | Screven County | 23.1 | Very Low | 1 |
| 108 | Peach County | 22.7 | Very Low | 2 |
| 109 | Heard County | 22.3 | Very Low | 2 |
| 110 | Jeff Davis County | 21.9 | Very Low | 4 |
| 111 | Evans County | 20.8 | Very Low | 3 |
| 112 | Pulaski County | 20.7 | Very Low | 1 |
| 113 | Pike County | 20.2 | Very Low | 33 |
| 114 | Jasper County | 19.9 | Very Low | 4 |
| 115 | Banks County | 19.7 | Very Low | 4 |
| 116 | Pierce County | 18.3 | Very Low | 1 |
| 117 | McIntosh County | 18.1 | Very Low | 1 |
| 118 | Miller County | 17.5 | Very Low | 9 |
| 119 | Taylor County | 16.8 | Very Low | 1 |
| 120 | Charlton County | 16.2 | Very Low | 3 |
| 121 | Bleckley County | 16 | Very Low | 0 |
| 122 | Brantley County | 15.9 | Very Low | 4 |
| 123 | Wilkes County | 15.7 | Very Low | 3 |
| 124 | Dooly County | 15.6 | Very Low | 1 |
| 125 | Bacon County | 15.4 | Very Low | 0 |
| 126 | Lamar County | 15.2 | Very Low | 3 |
| 127 | Jenkins County | 15 | Very Low | 2 |
| 128 | Montgomery County | 14.8 | Very Low | 3 |
| 129 | Oglethorpe County | 13.8 | Very Low | 1 |
| 130 | Twiggs County | 13.7 | Very Low | 1 |
| 131 | Baker County | 13.1 | Very Low | 5 |
| 132 | Terrell County | 12.9 | Very Low | 5 |
| 133 | Marion County | 12.8 | Very Low | 2 |
| 134 | Lincoln County | 12.7 | Very Low | 4 |
| 135 | Candler County | 12.4 | Very Low | 5 |
| 136 | Johnson County | 11 | Very Low | 1 |
| 137 | Warren County | 10.9 | Very Low | 0 |
| 138 | Wheeler County | 10.2 | Very Low | 1 |
| 139 | Long County | 9.9 | Very Low | 1 |
| 140 | Randolph County | 9.8 | Very Low | 2 |
| 141 | Talbot County | 9.8 | Very Low | 10 |
| 142 | Wilcox County | 9.2 | Very Low | 3 |
| 143 | Clay County | 9.1 | Very Low | 0 |
| 144 | Wilkinson County | 8.8 | Very Low | 2 |
| 145 | Stewart County | 8.5 | Very Low | 0 |
| 146 | Atkinson County | 8.4 | Very Low | 2 |
| 147 | Crawford County | 8.3 | Very Low | 3 |
| 148 | Turner County | 8.3 | Very Low | 31 |
| 149 | Lanier County | 8.1 | Very Low | 5 |
| 150 | Irwin County | 7.8 | Very Low | 18 |
| 151 | Calhoun County | 7.7 | Very Low | 4 |
| 152 | Treutlen County | 5.2 | Very Low | 0 |
| 153 | Chattahoochee County | 5 | Very Low | 2 |
| 154 | Quitman County | 4.7 | Very Low | 1 |
| 155 | Webster County | 2.7 | Very Low | 0 |
| 156 | Glascock County | 2.6 | Very Low | 1 |
| 157 | Taliaferro County | 2.4 | Very Low | 1 |
| 158 | Schley County | 1.8 | Very Low | 0 |
| 159 | Echols County | 1.3 | Very Low | 1 |
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 Georgia:
Frequently asked questions
What is the highest inland flooding risk county in Georgia?
Fulton County, GA has the highest inland flooding risk in Georgia, with a FEMA National Risk Index score of 97.7 out of 100 (rated "Relatively High").
What causes inland flooding risk in Georgia?
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.