Less than a week after losing the special election in Iowa Senate district 18, Republican Cindy Golding confirmed that she may run for the Iowa Senate next year in the new district 48.

Without a doubt, the superlative early voting effort by Democrats and allied groups is largely responsible for Democrat Liz Mathis' landslide victory over Republican Cindy Golding. Although the results are still unofficial and precinct-level demographics are not yet available, sufficient detail exists to draw some preliminary conclusions from the early reporting.

Any comments on today's election results are welcome in this thread. Polls closed at 9 pm in Iowa, but returns from the special election in Senate district 18 are coming in slowly. I will update this thread later as the outcome becomes clear. With six out of 40 precincts reporting, Democrat Liz Mathis leads Republican Cindy Golding by 5859 votes to 2474. UPDATE: Looks like a big win for Mathis. With 75 percent of precincts reporting, Mathis leads by 10,651 votes (58 percent) to 7,613 votes (41 percent).

SECOND UPDATE: The Linn County Auditor's office posted unofficial results here (pdf). With all 40 precincts reporting, Mathis received 13,184 votes (55.8 percent), Golding received 10,283 votes (43.5 percent), and Constitution Party candidate Jon Tack received 151 votes (0.64 percent).

Democrats have retained control of the Iowa Senate with a 26-24 majority for the 2012 legislative session. It may even be a "stronger" majority if Mathis turns out to be less conservative than her predecessor, Swati Dandekar. Iowa Senate Republicans won't be in a good mood when they elect a new minority leader on Thursday.

Nationally, Democrats have had good election results in Ohio (repealing a law that restricted collective bargaining rights) and Kentucky (holding the governor's chair). It's not yet clear whether Democrats will retain a Virginia Senate majority. I was surprised to see that Mississippi voters defeated a "personhood" ballot initiative stating that life begins at conception.

What races are you watching tonight? The incumbents on the Des Moines City Council easily won re-election. My two preferred candidates lost the Windsor Heights City Council election. Other Polk County results are here.

THIRD UPDATE: Democrats and allies are celebrating the Mathis victory with statements I've posted after the jump. The Iowa Democratic Party had lots of outside help with early GOTV from labor unions such as the Iowa State Education Association, the LGBT advocacy group One Iowa, the Planned Parenthood Voters of Iowa PAC, and the national 527 group Progressive Kick.

FOURTH UPDATE: An amazing result from Arizona tonight: voters recalled State Senate President Russell Pearce, author of the notorious "show me your papers" immigration law (which is being litigated in federal court). Apparently no state senator has ever been recalled in Arizona before. Pearce had been a leading opponent of the state's "clean elections" public financing system.

FINAL UPDATE: The official canvass showed 13,324 votes for Mathis (56.0 percent), 10,322 votes for Golding (43.4 percent), 151 votes for Tack, and nine write-in votes.

Today's forecast calls for rain and cold temperatures in Linn County as Iowa Senate district 18 voters determine whether the Senate will remain Democratic-controlled for the 2012 session or deadlocked at 25-25. The weather doesn't seem bad enough to be a significant factor, but if it does keep some voters home, that's probably good news for Democrat Liz Mathis. She continues to lead Republican Cindy Golding in early voting.

The latest absentee ballot numbers and other news clips from the special election campaign are after the jump.

UPDATE: New absentee numbers for Senate district 18 are below.

Democrat Liz Mathis has banked more early votes than Republican Cindy Golding for Tuesday's special election in Iowa Senate district 18, and a survey by Public Policy Polling puts her narrowly ahead in the final days of the campaign.

Democrat Liz Mathis continues to lead in both absentee ballots requested and returned for the November 8 special election in Iowa Senate district 18. After the jump I've posted details as of 5 pm on November 4.

If you haven't read it already, Bleeding Heartland user albert's precinct-level analysis of the early voting numbers is well worth your time.

Note: Senate district 18 residents can vote in person on Saturday from 8 am to 5 pm at the Linn County Auditor's office at Westdale Mall.

UPDATE: Absentee ballot numbers for Senate district 18 residents only are now after the jump.