Editor’s note: This analysis has been updated with unofficial results from all the races. Original post follows.

The major parties have spent hundreds of thousands of dollars on the most competitive 2022 Iowa House and Senate races.

This post highlights seven state Senate districts where one or both parties have spent large sums, and another seven where even without a big investment by Democrats or Republicans, the results could shed light on political trends.

All voter registration totals listed below come from the Iowa Secretary of State’s office, as reported on November 1. All absentee ballot figures come from the Secretary of State’s office, as reported on November 7. All past election results come from the map Josh Hughes created in Dave’s Redistricting App.

All figures for in-kind spending by the Iowa Democratic Party or Republican Party of Iowa come from filings with the Iowa Ethics and Campaign Disclosure Board. I focus on in-kind spending, because candidates in battleground Iowa legislative races typically give most of their funds to the state party. The party then covers the bulk of the large expenditures for direct mail and/or television, radio, and digital advertising.

Iowans will elect 25 state senators today. Those races have attracted far less attention than this year’s Iowa House races, because Republicans have a lopsided 32-18 majority in the upper chamber and only a 53-47 advantage in the House.

Nevertheless, it’s important to keep an eye on the Senate races, because this year’s outcome will influence Democratic prospects under the new map coming in 2021.

This overview covers five districts where both parties are spending six-figure amounts, seven districts where Republicans spent a significant amount, and four more districts where the results could shed light on political trends in various parts of the state, even though neither Democrats nor Republicans targeted the race.

I’ve always enjoyed writing about legislative happenings and campaigns, since my first year on the job as an analyst covering Russian domestic politics during a parliamentary election year.

While most political reporters were understandably assigned to follow the many presidential candidates visiting Iowa in 2019, I made it a priority to keep an eye on down-ballot races. The 2020 Iowa House and Senate elections may affect our daily lives more than whether Donald Trump or the Democratic nominee wins our state’s electoral votes. For one thing, breaking the GOP trifecta is the only way to guarantee that Iowa preserves nonpartisan redistricting for the coming decade.

I’m proud that Bleeding Heartland provided more in-depth coverage of potentially competitive state legislative races than any other Iowa news source this year. All of those stories are linked below.

Democrat Eric Giddens won today’s special election in Iowa Senate district 30 by a double-digit margin. According to Thomas Nelson of the Waterloo/Cedar Falls Courier, unofficial results show Giddens received 7,610 votes (56.9 percent), Republican Walt Rogers 5,631 votes (42.1 percent), and Libertarian Fred Perryman 143 votes (1.1 percent).

Democratic enthusiasm, fueled by numerous presidential candidate visits, overcame Rogers’ advantage in name ID and the fact that Governor Kim Reynolds scheduled the election at the worst possible time for Democrats.

Voters in Cedar Falls, Hudson, and part of Waterloo will elect a new state senator on March 19. Three candidates are on the ballot for Iowa Senate district 30: Republican Walt Rogers, Democrat Eric Giddens, and Libertarian Fred Perryman.

Republicans took some advantages into this campaign, which is on a shortened timetable because Senator Jeff Danielson resigned during the legislative session. Rogers was better-known than Giddens, and Governor Kim Reynolds scheduled the vote during spring break for the University of Northern Iowa and Cedar Falls public schools, when many people in Democratic-leaning constituencies would likely be out of town.

But since Bleeding Heartland previewed this race in late February, Giddens has emerged as the favorite. Republicans tacitly acknowledged their weaknesses by launching a second over-the-top negative television commercial on March 15, rather than closing on what was supposed to be Rogers’ selling point: giving Black Hawk County and UNI a voice in the Iowa Senate majority caucus.

Democratic delegates in Iowa Senate district 30 have nominated Cedar Falls school board member Eric Giddens for the March 19 special election to replace State Senator Jeff Danielson.