Sure you can. You just need enough land and money to start basic things like a post office, city hall, courthouse, roads, and a way to get power to the whole thing.
Starbase TX isn't a city in any sense other than a legal designation. It's a massive SpaceX industrial facility that has its own municipality similar to the way Disney World has one for its park.
Starbase TX isn't a city in any sense other than a legal designation. It's a massive SpaceX industrial facility that has its own municipality similar to the way Disney World has one for its park.