We did ok during Beryl we were without power about 24 hours, and actually a little longer without internet! We live in the suburbs south of Houston, have reliable vehicles, found places to eat & get back on our phones (they were charged in our car and via power banks). Suburban folks can deal to some degree, even though it's painful to throw away all the food you lose. Some even have whole house generators, or portables to run things like the refrigerator and not lose as much. But there are so many people who are also not in that position. If you have any sort of medical condition & could get to an ER, that is probably where you would go to seek a/c, oxygen, and whatever else you need. If you have the means to get there. I'm sure we will never get a full death count because there are folks who are somewhat off the grid and/or no one to look for them.
Re Boliver -- There was a big thing with Hurricane Ike years ago - I remember it vividly because Texas Equ-search had some fliers up looking for people who seemed to be missing from Boliver Island. Cat 2 Hurricane, strong storm surge, and I noticed when I was checking the Galveston press that after a point nobody could even get to Galveston (they stopped traffic in/out of the Island). Bolivar is beyond that, it's a peninsula that folks would get to via ferry from Galveston. It jutts out into the gulf, so the surge would have cut right over it. It's unlikely that folks on the peninsula survived that surge. This was the quote in Wiki about deaths: "As of December 27, 2008, 37 people are known to have died in Texas due to Ike while hundreds are still missing." 
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