5. Oklahoma
Home median price: $115,800
Healthcare costs: 4% below the national average
Tax friendly
Social security income is not taxed in Oklahoma, the next one on our list of cheapest states to live in the US for seniors, while seniors can apply for a deduction of $10,000 on other forms of retirement income. Real estate prices and property taxes are low and only sale taxes exceed America’s average. Oklahoma is one of the most naturally diverse states and retirees have plenty of opportunities for outdoor activities. Note though that Oklahoma belongs to a group of states where low costs of healthcare are equal to the low quality of medical care. The state is ranked among bottom ones in the country by AHRQ and by US News.