Drought Risk in Louisiana
All Louisiana counties ranked by FEMA National Risk Index drought score
Drought risk — extended dry periods that stress water supplies and agriculture — is rated for 62 of 64 Louisiana counties in FEMA's National Risk Index. Caddo Parish carries the state's highest drought score at 98.2, with $3M in expected annual drought losses.
14 Louisiana counties are rated High or Very High for drought, and expected annual losses from drought total roughly $53M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Drought
| # | County | Drought Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Caddo Parish | High | 24.88 / yr | $3M | |
| 2 | Vermilion Parish | High | 27.02 / yr | $3M | |
| 3 | Avoyelles Parish | High | 18.19 / yr | $2M | |
| 4 | St. Landry Parish | High | 18.91 / yr | $3M | |
| 5 | Assumption Parish | High | 21.69 / yr | $2M | |
| 6 | Acadia Parish | High | 19.68 / yr | $2M | |
| 7 | Jefferson Davis Parish | High | 27.39 / yr | $2M | |
| 8 | St. Martin Parish | High | 22.41 / yr | $1M | |
| 9 | Iberia Parish | High | 22.28 / yr | $1M | |
| 10 | Rapides Parish | High | 27.62 / yr | $1M | |
| 11 | Washington Parish | High | 16.44 / yr | $1M | |
| 12 | Pointe Coupee Parish | High | 20.01 / yr | $1M | |
| 13 | St. Mary Parish | High | 24.36 / yr | $1M | |
| 14 | St. James Parish | High | 21.65 / yr | $1M | |
| 15 | East Carroll Parish | Medium | 20.20 / yr | $971K | |
| 16 | Madison Parish | Medium | 21.15 / yr | $909K | |
| 17 | Tensas Parish | Medium | 16.23 / yr | $926K | |
| 18 | Evangeline Parish | Medium | 20.48 / yr | $935K | |
| 19 | West Carroll Parish | Medium | 19.95 / yr | $969K | |
| 20 | Catahoula Parish | Medium | 24.43 / yr | $861K | |
| 21 | Lafayette Parish | Medium | 19.35 / yr | $1M | |
| 22 | Lafourche Parish | Medium | 27.91 / yr | $1M | |
| 23 | Franklin Parish | Medium | 23.27 / yr | $889K | |
| 24 | Concordia Parish | Medium | 21.88 / yr | $862K | |
| 25 | St. Helena Parish | Medium | 18.33 / yr | $779K | |
| 26 | Calcasieu Parish | Medium | 26.23 / yr | $1M | |
| 27 | Iberville Parish | Medium | 20.79 / yr | $1M | |
| 28 | Tangipahoa Parish | Medium | 18.23 / yr | $931K | |
| 29 | Terrebonne Parish | Medium | 28.12 / yr | $1M | |
| 30 | Plaquemines Parish | Medium | 27.63 / yr | $961K | |
| 31 | Ascension Parish | Medium | 18.96 / yr | $1M | |
| 32 | St. John the Baptist Parish | Medium | 23.56 / yr | $1M | |
| 33 | St. Tammany Parish | Medium | 18.53 / yr | $988K | |
| 34 | Allen Parish | Medium | 28.84 / yr | $751K | |
| 35 | West Baton Rouge Parish | Medium | 21.16 / yr | $1M | |
| 36 | East Feliciana Parish | Medium | 17.03 / yr | $473K | |
| 37 | Richland Parish | Medium | 25.36 / yr | $447K | |
| 38 | Beauregard Parish | Medium | 30.52 / yr | $557K | |
| 39 | Morehouse Parish | Medium | 22.41 / yr | $371K | |
| 40 | Livingston Parish | Medium | 20.58 / yr | $467K | |
| 41 | East Baton Rouge Parish | Medium | 19.21 / yr | $318K | |
| 42 | Bossier Parish | Low | 25.14 / yr | $330K | |
| 43 | Cameron Parish | Low | 27.48 / yr | $304K | |
| 44 | West Feliciana Parish | Low | 16.17 / yr | $253K | |
| 45 | Natchitoches Parish | Low | 33.53 / yr | $196K | |
| 46 | Orleans Parish | Low | 20.75 / yr | $186K | |
| 47 | Red River Parish | Low | 31.51 / yr | $128K | |
| 48 | Caldwell Parish | Low | 32.08 / yr | $160K | |
| 49 | Sabine Parish | Low | 27.93 / yr | $124K | |
| 50 | St. Charles Parish | Low | 26.43 / yr | $182K | |
| 51 | De Soto Parish | Low | 23.60 / yr | $114K | |
| 52 | Jefferson Parish | Low | 23.64 / yr | $122K | |
| 53 | Claiborne Parish | Low | 28.80 / yr | $68K | |
| 54 | Ouachita Parish | Low | 20.85 / yr | $82K | |
| 55 | Webster Parish | Low | 26.30 / yr | $64K | |
| 56 | Lincoln Parish | Low | 24.77 / yr | $70K | |
| 57 | Grant Parish | Low | 30.72 / yr | $84K | |
| 58 | Bienville Parish | Low | 31.78 / yr | $56K | |
| 59 | Winn Parish | Low | 37.75 / yr | $51K | |
| 60 | Union Parish | Low | 26.43 / yr | $54K | |
| 61 | St. Bernard Parish | Low | 25.56 / yr | $41K | |
| 62 | LaSalle Parish | Low | 32.59 / yr | $31K |
62 Louisiana counties with measurable drought risk. See the national drought ranking or all Louisiana counties by overall risk.
Frequently Asked Questions
Which Louisiana county has the highest drought risk?
Caddo Parish has the highest FEMA drought risk score in Louisiana at 98.2 (High), with $3M in expected annual losses and about 24.88 events per year.
How many Louisiana counties face significant drought risk?
62 Louisiana counties record measurable drought risk in FEMA's National Risk Index; 14 of them are rated High or Very High.