GIS Map
RankingsColoradoWorst drought

Counties in the Worst Drought in Colorado

The top 25 of 64 Colorado counties on GIS Map, ranked by the Drought Severity and Coverage Index (0-500), where 500 means the entire county is in exceptional drought.

#CountyDrought Severity Index
1Broomfield County
500.0
2Lake County
500.0
3Eagle County
499.7
4Summit County
487.9
5Pitkin County
480.2
6Chaffee County
475.3
7Grand County
449.9
8Boulder County
424.1
9Gunnison County
418.7
10Park County
408.2
11Saguache County
398.4
12Larimer County
390.8
13Fremont County
386.6
14Routt County
385.8
15Garfield County
347.6
16Jefferson County
346.4
17Gilpin County
338.9
18Douglas County
331.9
19Custer County
330.8
20Mesa County
328.0
21Clear Creek County
319.1
22El Paso County
316.3
23Alamosa County
314.1
24Teller County
313.6
25Rio Blanco County
311.4

Source: U.S. Drought Monitor (13 October 2026). All counties with data are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Counties in the Worst Drought in Colorado”, https://gismap.land/rankings/colorado/worst-drought-counties. Figures from U.S. Drought Monitor (13 October 2026).

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