Where can I go to get information on my population (either local or national) – such as how many men live in my region?

Public Health Observatories
National Statistics Online and Office of National Statistics
The Output Area Classification

Where can I go to find inpatient and outpatient statistics?

Department of Health website
NHS Information Centre
Hospital admission data 

Where can I go to find information about commissioning research?

Social Research Association
Market Research Society
Central Office of Information

Where can I go to find evidence and guidance on public health?

NHS Evidence

Where can I go to find out about data protection and information management?

The Information Commissioner’s Office