A 1790-91 map:

http://upload.wikimedia.org/wikipedia/commons/2/29/United_States_1790-05-1791-03.png

Kentucky is still part of Virginia, and most of Alabama and Mississippi are part of Georgia.

The population of the Southwest Territory (modern Tennessee) may have been about 35,000:

No census of the Northwest Territory (Ohio through part of Minnesota) seems to have been taken, but I'd be surprised if it numbered more than 20,000-30,000 English speakers.

(Links to the above information seem to be keeping this message from posting. I've tried a dozen times over two or three hours.)