Residential units in the 100- or 500-year floodplain in 2016, New York City
Also requiring attention the effects of climate change with some 100,000 housing units (2.9 percent of the housing stock) now in the 100-year floodplain and additional 114,000 units in the 500-year floodplain—amounting altogether to an important 6.2 percent of the housing stock.
Housing units in the 100- and 500-year floodplain in 2016, New York City
Interpretation of NYC example
About 100,000 housing units are in the 100-year floodplain with an additional 114,000 units in the 500-year floodplain (2.9 percent and 3.3 percent, respectively) of the housing stock.
How to construct
These data are provided at the county level from the NYU Furman Center’s FloodZoneData.us. Data are available nationally. The share of residential units in the 100- or 500-year flood zone (not in the figure but mentioned in the text) is calculated by dividing the total housing units in 100- and 500- year flood zone over the number of total housing units within the borough.
The data are displayed as a column chart with each column representing the share of residential units in the 100- or 500- year flood zone.