@zigguratmonk that’s largely because the number of representatives is set based on the census of 1910 (via a law from 1913)and another in 1929 which capped the representatives at 435. If instead representatives were allocated to the states in a manner such that they all roughly represented the same number of people say about 600,000 (just a bit more than Wyoming) we would have around 600 Reps and CA would have 65 not 53. (Exact math would be 553 but rounding a bit plus adding territories and DC