Find the maximum annual state income benefit for your state
Use the following link to choose your state and learn about the potential tax benefits available for your 529 plan.
In the below image purple states do NOT offer any state tax benefits like CA , TX , FL & NV.


Future College Savings vs. Savings Goal
https://www.invesco.com/education-savings/en/collegebound-529-investor/resources/college-savings-calculator.html