Glass Dome

Hypothetically, could a 2OO meter tall pole (a thick pole... very thick) support a 1.5 km diameter glass dome?

This for a science fiction book I'm writing, but seeing as I'm not an architect, I have no clue if that's even possible... I'd like to be credible, at least a little. Also is a 1.5km diameter large enough to house a town of... say, maybe five to ten thousand people(most of them in houses, not buildings) ? is it realistic enough? (for a post WW3 scenario) thanks for answering if you do... I am totally frustrated and out of ideas on how to figure this out...
This doesn't quite enter into the engineering department but I really didn't know where else to put it.

If its sci-fi, and you need the dome:

Use Quartz or Diamond and forget the pole.

Diamond could withstand the pressure, would difract nasty laser beam attacks, and would involve a great chapter about the nuclear power plant used to synthesize and fuse all of that diamond.

What if internally reflected sunlight causes a golden ring of light around the base at sunset? The son of the good guy under the dome might offer it as an engagement gift for his secret honey, the daughter of the misunderstood evil marauders who live in caveworld....

I love scifi.

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