In To Kill a Mockingbird, how do the adults deal with the outcome of the trial?

Alexandra has the attitude
that of course this is what would have happened, but she is disappointed for Atticus'
sake. She does deeply care about her brother. She was also upset that he would allow the
children to be exposed to the trial:

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“I’m sorry, brother,” she murmured. Having never
heard her call Atticus “brother” before, I stole a glance at Jem, but he was not
listening.

“I didn’t think it wise in the first place to
let them—”

“This is their home, sister,” said Atticus.
“We’ve made it this way for them, they might as well learn to cope with
it.”

“But they don’t have to go to the courthouse and
wallow in
it—”

Atticus
is exhausted emotionally and physically. He also feels the pain of
watching justice denied as evidenced by these words:

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“I’m not bitter, just tired. I’m
going to bed.”

“Atticus—” said Jem
bleakly.

He turned in the doorway. “What,
son?”

“How could they do it, how could
they?”

“I don’t know, but they did it. They’ve done it
before and they did it tonight and they’ll do it again and when they do it—seems that
only children weep.
Good night."

Bob
Ewell spits tobacco in Atticus' face. He obviously is not over the fact
that Atticus smeared his reputation as if there was much of any positive reputation to
begin with.

Maudie Atkinson
honors Atticus with her speech to the children and recognizes his ability to act on
behalf of the entire community in these words:

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“I simply want to tell you that there are some
men in this world who were born to do our unpleasant jobs for us. Your father’s one of
them."

“We’re the safest folks in the world,” said Miss
Maudie. “We’re so rarely called on to be Christians, but when we are, we’ve got men like
Atticus to go for
us."

The Negro
community is appreciative and shows it by flooding Atticus with
food:

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Calpurnia said, “This was all ‘round the back
steps when I got here this morning. They—they ’preciate what you did, Mr. Finch.
They—they aren’t oversteppin‘ themselves, are
they?"

The
ladies of Maycomb respond at the Missionary Tea by noting
how dreadful their black servants are. This demonstrates that they still have great
prejudice even though the think they have done the black community a
favor.