August 3, 2026 By Business DailyIn 2024, Oklahoma's total state tax revenue amounted to $13 billion, of which income taxes contributed $5.2 billion, making up 39.9% of the overall collections, according to the U.S. Census Bureau's Annual Survey of State Government Tax Collections (STC). The State Government Tax Collections (STC) survey tracks five major tax categories and up to 25 subcategories, gathering data from all 50 state governments and their dependent agencies. The Census Bureau notes that it defines tax classifications consistently across states, which may differ from how individual states categorize them. In 2024, state tax collections alone amounted to nearly $1.5 trillion nationwide, representing a significant part of overall government operations. In 2023, North Dakota topped the list with the largest state tax collection per capita at $7,715.71, followed by Hawaii ($7,098.72) and Vermont ($6,948.15), according to the U.S. Census Bureau.