Broomfield, CO is horrible and shame to the people who made it into a separate county.
In their defense, they were a small city that had somehow found itself split between four counties.
They could have at least tried to make the boundaries nicer, though.
Well that's because most of the United States have a nonsensical way of drawing this kinds of subdivision, with absurd city boundaries or enclaves or exclaves (see: Los Angeles, Dallas, KCK, Broomfield, Fort Worth, Houston...) and/or city boundaries that span multiple counties.
New England townships, on the other hand, are perfect. Even better than Europe.
Dallas is ok. Only like 2k people live in the exclave parts although they do have those 2 super rich white areas that are enclaves.