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 | Official name: State of Iowa Iowa postal code abbreviation: IA You may also be interested in the answers to the following questions: Total area: 145 743 km2 ✅ What is the largest city by population in Iowa?- Largest Iowa cities by population: Des Moines ✅ What is the capital of Iowa?- State capital of Iowa: Des Moines ✅ What is the population of Iowa?- Iowa state population 2025: 3 062 309 |