Actually this used to be a thing, with counties getting state senate seats the way the United States Senate is set up. Basically that meant that each county had the same amount of state senators regardless of population, a microcosm of the national model. The problem? The Supreme Court threw it out https://en.wikipedia.org/wiki/Reynolds_v._Sims Even if you had the super-majorities and friendly governors and friendly state-level courts to implement this, it would be thrown out. The idea actually isn't bad in principle, but in practical terms its pie-in-the-sky