More residents in the Washington area moved around the region last year than in 2009, defying national trends revealing the lowest levels of mobility in the post-World War II era.

Nearly 34,000 people over the age of 1 year moved from the District to Maryland or Virginia in 2010, up from about 29,000 in 2009, according to census data released Tuesday. An additional 21,000 moved from Maryland and Virginia to the District, up from about 16,000 in 2009.