https://crimeresearch.org/2021/01/updated-21-state-capitols-officially-allow-soon-to-be-22-and-at-least-3-others-allow-in-practice-some-form-of-legal-firearm-carry/
UPDATED: 23 State Capitols Officially Allow Some Form Of Legal Firearm Carry. Soon that will be 25 states. At Least 4 Others Currently Allow In Practice.