Rather than an expansion of the court, we need an expansion of the House of Representatives. At the founding, we had 1 representative for every 35K citizens. Today it is about 1 per every 700K citizens. This waters down and weakens the control you have over the person that is supposed to represent you in Congress.
I would think 1 per 100K would be a good middle ground. This would increase the number of representatives from 435 to 3300. With that many congress people, additional parties supporting a number of different interests could spring up. They would be much harder to manipulate and bribe in blocks as they are today.
An added bonus would be that Washington DC wouldn’t be able to handle that many Representatives and they would have to spend the majority (if not all) of their time in their home districts with their constituents, hearing their gripes every day. In 2024, they could vote online, meet in committees online, etc.... They don’t need to physically be in the same room to do those things. If the Florida caucus wants to meet in person or if the midwest farmer caucus wants to meet in person, they could do that closer to where they live. They don’t have to travel to DC to do that.
And of course it goes without saying that the 17th amendment should be repealed so that the states would once again have representation in the government.
Your idea has merit. One problem of having 1 representative for every 700K citizens is that it takes lots of money to reach all those voters. So collecting campaign contributions becomes job one.
The 17th amendment was a disaster, a complete disaster. Now senators are beholden to big money groups instead of to state legislatures. Unfortunately, we’ll never see the 17th repealed as that would be “undemocratic”.