Where does old housing stock dominate?

Here’s a nice map of the US by zip code that shows the time period when the plurality of houses had been built. So, a fast growing area did not have most of its housing stock by 1960. Conversely, there are plenty of areas where most of the housing stock was built by 1940 (think Northeast and lots of the plains states).

age of housing stock

The data source for this is the American Community Survey. The actual map came from the MapPorn site on reddit.

Two final notes:
This map is based on contemporary information so it doesn’t necessarily really reflect the history of housing stock in a zip code. If housing built in the 1920s was demolished during urban renewal in the 1970s, this stock is no longer available to be reported on by the current residents.

And, just by chance, here’s another image from Reddit on the age of the housing stock by districts in Germany. The dark shades represent either the oldest (purple) or the newest (green).

age of German housing stock

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