If you are looking for the city with all comfort for independent living, try to check options in Orem, Utah. There is a huge community of seniors living alone (more than 5% of current city population) and has numerous attractions and recreation facilities.
380 E 240 North, Orem, Utah 84057
250 East Center Street, Orem, Utah 84057
911 North 800 West, Orem, Utah 84057