Dementia is now a defining financial and operational challenge for US hospitals. Healthcare costs for an individual living with dementia average nearly four times those of an individual without it ($19,956 vs. $5,394 annually), and patients with dementia face 30-day readmission rates of 17.7% compared with 13.1% for non-dementia patients, alongside longer lengths of stay and higher rates of preventable complications. Specialized staff training and comprehensive care models are not clinical add-ons but strategic financial investments. Evidence-based programs demonstrate measurable returns: the Care Ecosystem saves $475.80 per member per month, and the Eskenazi Health Aging Brain Care program produces net annual savings of $980–$2,856 per patient against a program cost of $618. Hospitals with excellent patient experience ratings achieve a 4.1% net margin compared with 1.8% for low-rated hospitals. Trained staff also experience less burnout, reducing costly turnover. The shift to value-based care has reversed the historical financial disincentive for these investments.