National Data

National police employee data
Table 70, "Full-time Law Enforcement Employees by Geographic Region and Division by Population Group, Number and Rate per 1,000 Inhabitants, 2006"
Table 71, "Full-time Law Enforcement Officers by Geographic Region and Division by Population Group, Number and Rate per 1,000 Inhabitants, 2006"
Table 74, "Full-time Law Enforcement Employees by Population Group, Percent Male and Female, 2006"
Table 75, "Full-time Civilian Law Enforcement Employees by Population Group, Percent of Total, 2006"

Other National data:
National offense data
National clearance data
National arrest data