Special Report

States Where Alzheimer's Is Expected to Increase Significantly

Source: EunikaSopotnicka / Getty Images

45. South Dakota
> Projected increase in adults 65+ with Alzheimer’s disease, 2020-2025: 11.1% (from 18,000 to 20,000)
> Pct. of population 65+: 16.3% — 23rd highest (total: 141,534)
> Pct. of 65+ pop. with Alzheimer’s disease: 12.7% — 8th highest
> Avg. retirement income: $23,284 — 6th lowest

The number of residents 65 and over with Alzheimer’s disease in South Dakota is projected to increase by 11.1% from 2020 to 2025, less than the 18.5% projected increase nationwide during that time. South Dakota reported the highest number of Alzheimer’s deaths per capita, with 56 Alzheimer’s-related deaths for every 100,000 residents in 2019, compared with 37 per 100,000 residents nationwide.

Source: FilippoBacci / Getty Images

44. New York
> Projected increase in adults 65+ with Alzheimer’s disease, 2020-2025: 12.2% (from 410,000 to 460,000)
> Pct. of population 65+: 16.1% — 25th highest (total: 3,146,306)
> Pct. of 65+ pop. with Alzheimer’s disease: 13.0% — 7th highest
> Avg. retirement income: $29,780 — 13th highest

Though New York has the seventh highest percentage of older adults with Alzheimer’s disease among states, at 13.0%, it has one of the lowest mortality rates from the disease in the country. New York reported 19 deaths from Alzheimer’s disease per 100,000 people in 2019, about half of the 37 Alzheimer’s deaths per 100,000 residents nationwide.

Source: SeanPavonePhoto / Getty Images

43. Rhode Island
> Projected increase in adults 65+ with Alzheimer’s disease, 2020-2025: 12.5% (from 24,000 to 27,000)
> Pct. of population 65+: 16.8% — 14th highest (total: 177,889)
> Pct. of 65+ pop. with Alzheimer’s disease: 13.5% — 2nd highest
> Avg. retirement income: $27,042 — 22nd highest

Rhode Island has the second highest share of adults 65 and older who already have Alzheimer’s disease, at 13.5%. The share of older residents in the state is relatively large — 16.8% are 65 and older, and 7.4% are 75 and older, the 14th and ninth highest shares, respectively. From 2020 to 2025, the number of people with Alzheimer’s is projected to increase by 12.5% to 27,000 total people.

Source: Davel5957 / Getty Images

42. Kansas
> Projected increase in adults 65+ with Alzheimer’s disease, 2020-2025: 12.7% (from 55,000 to 62,000)
> Pct. of population 65+: 15.4% — 19th lowest (total: 449,327)
> Pct. of 65+ pop. with Alzheimer’s disease: 12.2% — 15th highest
> Avg. retirement income: $22,745 — 5th lowest

The number of Kansas residents 65 and older with Alzheimer’s disease is projected to increase by 12.7%, well below the estimated 18.5% increase nationwide. Kansas has one of the higher shares of older adults with Alzheimer’s disease, but it has a relatively low mortality rate from the disease, at 29 Alzheimer’s deaths per 100,000 residents — the eighth lowest rate among all states.

Source: Sean Pavone / Getty Images

41. West Virginia
> Projected increase in adults 65+ with Alzheimer’s disease, 2020-2025: 12.8% (from 39,000 to 44,000)
> Pct. of population 65+: 19.4% — 3rd highest (total: 352,114)
> Pct. of 65+ pop. with Alzheimer’s disease: 11.1% — 17th lowest
> Avg. retirement income: $20,299 — 2nd lowest

West Virginia has the third highest share of residents who are 65 and older. State residents may have a harder time affording Alzheimer’s care than typical retired Americans, as the state’s average retirement income of $20,299 is the second lowest of any U.S. state.