The Montgomery Gardens public housing project has over 80% vacancy rate. It was vacated and imploaded on August 29, 2015. You can watch this exciting event here.
This static visualization compares vacancies between different public housing properties and between different program types. The entire data set contains granular information including monthly data, total number of units, move-in and move-out numbers, etc.
Data Source: http://jerseycitynj.gov/data