TIL that there’s an open, accessible federal database of methlabs. j.mp/PHEglY
— Galen Ward (@galenward) October 2, 2012
The National Clandestine Laboratory Register breaks it down. Here’s a look at the “clandestine” locations in Minnesota:

This looks like primarily a rural problem. A look at the greater metro area shows that Michele Bachmann’s district is doing a lot more cooking than Ellison or McCollum’s:

I suppose that’s because it’s tough to run a meth lab in an urban area due to the smell. Good thing our rural legislators are focused on discriminating against gay people and disenfranchising poor and elderly voters rather than dealing with stuff like this, eh?