Houston is incredibly smart when it comes to rocket science, math and geometry and all that, but acts like a dumb ass and makes dumb decisions that get him in trouble
El Paso is related to New Mexico's city's and is always hanging out with them (i cant decide if they'd be siblings or cousins but there close). He also hangs out with Mexico's cities a lot too and is good friends/siblings/cousins with them
Fort Worth and Dallas live together despite the rivalry between the two. There house is a insane mix of sleek modern furniture and rugged western decorations. Dallas hates the rough look and clutter, and Fort Worth is always bashing Dallas for his bleak modern minimalist design choices
San Antonio is a sweetheart, he's often away on his own, and doesn't care to get involved with the others, but will always be there to get them out of trouble when they need him. Him and Texas are a lot closer to being brothers then father and son, but the cities treat him like a big brother. He's a lot more responsible then the others. He's also the strongest, and can absolutely kick anyone's ass
Austin lives with Texas. While all the cities moved out Austin stayed. It was mostly Texas being protective of him but Austin was comfortable their. All the other cities also dog on him for being weird and or obnoxious but if someone outside of the family makes fun of him it is not taken lightly
Corpus Christi is a very independent girl, and very feminine, but loves to be included in helping out with the hard to do ranch work and getting dirty or joining in on games of football with the others