18. Iowa
> Land area in extreme or exceptional drought: 2.2%
> County with worst level of drought: Plymouth County – 87.9% in extreme or exceptional drought
> Population living in extreme or exceptional drought: 44,842 — 16th highest
> Total population, 2021: 3,193,079 — 9th highest
17. Missouri
> Land area in extreme or exceptional drought: 2.7%
> County with worst level of drought: Barton County – 100.0% in extreme or exceptional drought
> Population living in extreme or exceptional drought: 146,915 — 10th highest
> Total population, 2021: 6,168,187 — 4th highest
16. Idaho
> Land area in extreme or exceptional drought: 3.1%
> County with worst level of drought: Franklin County – 89.5% in extreme or exceptional drought
> Population living in extreme or exceptional drought: 66,573 — 14th highest
> Total population, 2021: 1,900,923 — 14th highest
15. Montana
> Land area in extreme or exceptional drought: 3.6%
> County with worst level of drought: Teton County – 84.3% in extreme or exceptional drought
> Population living in extreme or exceptional drought: 31,044 — 18th highest
> Total population, 2021: 1,104,271 — 16th highest
14. Wyoming
> Land area in extreme or exceptional drought: 3.7%
> County with worst level of drought: Laramie County – 63.4% in extreme or exceptional drought
> Population living in extreme or exceptional drought: 67,597 — 12th highest
> Total population, 2021: 578,803 — 18th highest