How does "A Rose for Emily" reflect isolation?

I think the concept of isolation is most clearly reflected
in the life of the protagonist of this excellent short story, Miss Emily herself.
Throughout the story we are shown that she lives a life that is separate from the rest
of the town, and that especially in her last few years, hardly anyone saw her at all.
Note what we are told in the first paragraph of the story about how isolated Miss Emily
was as a character in her life:

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When Miss Emily Grierson died, our whole town
went to her funeral: the men through a sort of respectful affection for a fallen
monument, the women mostly out of curiosity to see the inside of her house, which no one
save an old manservant--a combined gardener and cook--had seen in at least ten
years.

So, whilst it is clear
that her last years were spent in isolation, when we reflect on the dominating memory
that the townspeople have of her childhood, it becomes clear that her father ensured
that she was kept isolated as well, and that she was never able to form any meaningful
relationships because of his idea of their social status. Likewise, the descriptions
that we are given of Miss Emily in her old age, when the Aldermen go and visit her about
the question of her taxes, indicates that in a sense she is already dead and separated
from the rest of the world through her appearance, which is described as being "bloated,
like a body long submerged in motionaless water." In every sense of the word, Miss Emily
is a character who is isolated.