Look up the following NAICS codes:
for private security 56161 for police 92212
You can select geography to the level of the county (if you know its FIPS code).
Wojtek
On Sun, May 2, 2010 at 5:07 PM, Michael Smith <mjs at smithbowen.net> wrote:
>
> I've gotten interested in the intensity of policing (I
> live in New York City, which ought to be all the excuse
> I need).
>
> Does anybody know where to find time-series stats about the
> aggregate number of cops in the US? Ideally there ought
> to be some similar data about Pinkertons, doorshakers,
> private "security guards" vel sim., but even just regular
> Boys in Blue would be interesting.
>
> --
>
> Michael Smith
> mjs at smithbowen.net
> http://stopmebeforeivoteagain.org
> http://fakesprogress.blogspot.com
>
> "I am in favor of leaving people alone,
> no matter how imperfect their polity may
> seem." -- Stephen Maturin, MD
> ___________________________________
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>