This post has been updated with the unofficial results from each race. Original post follows.

Democrats go into the November 5 election with the smallest Iowa House contingent they’ve had in five decades. But even though control of the chamber is not in question, this year’s state House races matter.

Despite having a 64 to 36 advantage for the past two years, Republicans struggled to find 51 votes for some of their controversial legislation, such as Governor Kim Reynolds’ plan to overhaul the Area Education Agencies. So chipping away at the GOP majority could help limit further damage to public education or civil rights.

Conversely, a net loss of Democratic-held seats would allow the majority to govern with even fewer constraints.

This post highlights nine Iowa House seats most at risk of flipping, plus seven districts that could be competitive, or where the results could shed light on broader political trends in Iowa. I will update later with unofficial results from all of these races.

All seven Iowa legislators who faced competition for their party’s nominations prevailed in the June 4 elections. The outcome was a reversion to normal following a tumultuous 2022 cycle, in which six Iowa House Republicans lost their primaries. Two years ago, Iowa’s new political map forced three pairs of House members to face off against each other, and Governor Kim Reynolds endorsed challengers against several more GOP lawmakers who had opposed her “school choice” plan.

Crucially, Reynolds did not endorse any 2024 candidates running against incumbents. On the contrary, she backed one of the incumbents in a tough primary.

In addition, property rights proved to be a less potent issue here than in South Dakota, where fourteen Republican lawmakers lost to primary challengers on June 4.

Although Iowa saw no upsets, several of this year’s legislative races revealed that Republicans could be vulnerable to candidates from the right. The two challengers who came closest to knocking off incumbents were both vocal opponents of using eminent domain to build CO2 pipelines.

This post covers the primaries from the narrowest winning margin for the incumbent to the most comfortable victory.