⏰ This entry is due for review. Information may not reflect the latest regulations.
Taxes
IA
IA Corporate Income Tax
Iowa imposes a flat 5.5% corporate income tax on net income attributable to Iowa, reduced from a graduated structure under 2022 tax reform. C corporations file Form IA 1120 with the Department of Revenue. Multi-state corporations apportion income using a single sales factor.
Official Source:
IA Department of Revenue
Always verify current information directly with this agency.