Area that contains a city with a population of 50,000 or more plus incorporated surrounding areas meeting set size and density criteria.
Places with populations of 50,000 or more (at a minimum), that encompass an entire urbanized area in a state, as designated by the U.S. Census Bureau. The Federal Highway Administration approves adjusted urbanized-area boundaries that include the census-defined Urbanized Area plus transportation centers, shopping centers, major places of employment, satellite communities and other major trip generators near the edge of the Urbanized Area, including development expected to be in place shortly.
An area defined by the U.S. Census Bureau that includes one or more incorporated cities, villages and towns (central place) and the adjacent densely settled surrounding territory (urban fringe) that together have a minimum population of 50,000 persons. The urban fringe generally consists of contiguous territory having a density of at least 1,000 persons per square mile. Urbanized areas do not conform to congressional districts or any other political boundaries.