People 15 years and older who are divorced: 20.3 percent
Total population: 24,004
U.S. average: 10.6 percent

In this Texas town, near the Oklahoma border, about one in five residents is divorced, the highest rate among places with more than 20,000 people, according to 2007-09 estimates by the Census Bureau. Among Denison households with children younger than 18, roughly 41 percent are single-family households, compared with 31 percent nationwide.

Data source: U.S. Census Bureau's American Community Survey 2007-09 three-year estimates. Only includes places with populations of 20,000 or more.