There’s some open land near Handford Site. They might feel right at home, too.
The population center of the United States is Plato, Missouri. That’s a small village so not a good location for a national capital. But the city of Springfield, Missouri is close by, and has a nice all-American name.
Haven’t the poor Micheganers suffered enough 
On the other hand, it’s a great idea. Nobody’s left there ANYway, so…might as well.
No, no no. That just won’t do. Every summer they’d be smoked out when the GDS catches fire, as it always does. Then we’d have smoked politicians!
And…now I’m hungry.
I’m just imagining the scene where the UN has to sit the United States down and tell it the test results have come back - the government has metastasized and the United States should start getting its affairs in order.
{Two ape leaders talking:}
“What?! You can’t go follow the humans! They entered the Forbidden Zone!”
“You can’t forbid me from going there! I forbid it!”
“You can’t forbid me form forbidding you from entering the Forbidden Zone!!!”
- This is based on a snippet of dialogue from Mad Magazine’s take-off on the second episode of the original Planet of the Apes series.