There is a lot at stake, especially for shrinking cities in the US: On April 1, 2010 is National Census Day, meaning: It will be counted „[…] how many people reside in the United States and where they live […]“.
The Shrinking Cities Blog tells that the „[…] count is then used to determine how federal funds (for infrastructure, schools, vital services, etc.) are distributed, and how many members each state will have in the U.S. House of Representatives.[…]“.
So, it turns out that April 1, 2010 will be a very important date for shrinking cities like Detroit. Especially Detroit is suffering from severe impacts of September 11, 2001 and financial crisis. Therefore an „aggressive campaign“ has been started „[…] to encourage residents to participate in the census […]“.