The South Texas city of Harlingen is the cheapest place in the U.S. to live, according to the sixth annual cost of living index, a study conducted by the Council for Community and Economic Research. B...

y contrast, the cost of living in Manhattan, one of the most expensive places to live in the world, is almost three times that of Harlingen. If someone with an annual income of $60,000 in Manhattan moved to Harlingen, she'd need to make just $21,768 a year to maintain her standard of living.