According to the 2010 census, Alaska had 710,231 people. Because there is no census for bears, biologists try to figure this out by tagging and tracking the bears. It looks like there are somewhere between 32000 and 43000 bears in Alaska. Either way, there are a lot more people at this point!
I think it is safe to say there are more people than bears in Alaska now.
The three types of bears found in Alaska are the polar bear, black bear, and grizzly/brown bear.
There are about 3500 polar bears in total in Alaska. (http://alaska.fws.gov/fisheries/mmm/polarbear/issues.htm)
Brown bear densities can range from one bear per 300 mi2 to one bear per square mile depending on where you are at in Alaska. ( http://www.adfg.alaska.gov/static/education/wns/brown_bear.pdf)
It is estimated that there are about 100,000 black bears in Alaska. (http://www.adfg.alaska.gov/index.cfm?adfg=blackbear.main)
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