The age of the housing stock varies greatly by region, with some areas having a particularly large number of older homes.
More the two-thirds of housing units are at least 75 years old in Somerville, Mass., Buffalo, N.Y., and a few other cities with the oldest homes. In other regions, such as newer communities in the South, nearly all homes were constructed in the past few decades.
According to the most recent Census estimates, 13.5 percent of the nation's total housing units were built prior to 1940, while about 19 percent were built before 1950.
Select a city below to display its housing data. Age estimates are shown for all cities with more than 25,000 housing units.