The Iowa Secretary of State has released a registration tally as of November 1, 2022. The Libertarian and Green totals are not on the state website, but Libertarians have 12,100 registrants, and Greens have 2,966.

The percentages are: Republican 36.61%; Democratic 31.84%; Libertarian .64%; Green .16%; independent and miscellaneous 30.75%.

Percentages in July 2022 were: Republican 36.87%; Democratic 32.29%; Libertarian .63%; Green .15%; independent and miscellaneous 30.07%.