Simon Willison’s Weblog

1 item tagged “census”

2009

On the Anonymity of Home/Work Location Pairs. Most people can be uniquely identified by the rough location of their home combined with the rough location of their work. US Census data shows that 5% of people can be uniquely identified by this combination even at just census tract level (1,500 people). # 24th May 2009, 1:14 pm