Launching the 2018 election cycle, Texans cast ballots in primaries on Tuesday — leaving several races headed for runoffs.

Election night in Texas offers several takeaways of note, as we look ahead. Here are six to consider:

1. Texas is still Texas. Turn Texas blue? Not so fast. For all the attention on Democratic turnout — and turnout was high for Democrats — they were swamped by voters on the GOP side. Check out the the total vote in the big statewide races, for example. More than 1 million Democrats turned out for the Senate primary that has gotten so much national attention because of the candidacy of Rep. Beto O'Rourke. That was double the Democratic primary turnout in the last midterm. But look at the GOP side: There was 50 percent higher turnout for the uncontested GOP Senate primary featuring incumbent Sen. Ted Cruz. (That was even up slightly from 2014 for Republicans.)

Wayne Slater, retired senior political writer for The Dallas Morning News, says he is skeptical of a statewide Democratic wave in Texas, because of the voters who are fueling both parties. The Democratic vote was up in the 15 most populous counties, but the rural vote is still overwhelmingly Republican. Two-thirds of the Democratic vote came from more populous counties, he said, while just 55 percent of the Republican vote did. Tuesday night proved, he said, "Rural Texas still substantially gives it to Republicans." So until that changes, or until Latinos in South Texas truly get fired up for a favored Democratic statewide candidate, "This whole stuff about a blue wave coming, don't hang your hat on that," Slater said.

2. No sure Bet-o. Cruz got double the votes of O'Rourke, and a largely unknown, underfinanced 32-year-old named Sema Hernandez got nearly a quarter of the vote in the Democratic primary. That doesn't bode well for O'Rourke. Expect Cruz (and his sharp-elbowed operatives) to run a tough campaign, targeting O'Rourke, including that his given name is Robert and Cruz's is Rafael in Latino-heavy Texas and that O'Rourke is too liberal for Texas. In fact, the Cruz campaign is already up with a radio ad with the line, "If you're gonna run in Texas, you can't be a liberal man ..."

3. The suburbs are still the key to the House — and Democrats are faring well there. For all that cold water for Democrats statewide in Texas, at the same time there is this silver lining for them — turnout in the three Republican House districts they hope to flip was on par or outpaced that of Republicans. Yes, those were competitive primaries for Democrats while the GOP is running three incumbents who faced token opposition, but those districts are still in play — and they're happening in the suburbs, where Trump's approval rating is suffering. Specifically, Democratic turnout surged in major metropolitan areas — and the wealthy suburbs, as The Cook Political Report's David Wasserman points out.

4. The power of female Democratic candidates is real. We've written about the record number of women running for office in 2018. Well, the power of women was felt in the Democratic primaries Tuesday night. Nearly half of the candidates who finished first in Democratic primaries were women (17 of 35). What's more, Texas is more than likely to send two Latinas to Congress. Remarkably, Veronica Escobar, an El Paso County judge running to fill O'Rourke's House seat, and state Sen. Sylvia Garcia, running to replace Democratic Rep. Gene Green in Houston, are the overwhelming favorites to be the first Latinas sent to Congress from Texas. That is really quite something in a state where nearly 4 in 10 people are Latino.

5. The anti-establishment sentiment is as strong as ever. If anyone thinks either party will be able to put a thumb on the scale for any candidate this year, Texas provided a few flashing red lights. The Democratic Congressional Campaign Committee published opposition research on congressional candidate Laura Moser, highlighting that she wrote she wouldn't want to live in Paris, Texas, again. It tried to undercut her — because it believes she would lose in a general election in a winnable seat in the Houston suburbs — but this, instead, backfired. The gambit raised her profile and helped propel Moser into a May 22 runoff. And a Democratic candidate endorsed by House Minority Whip Steny Hoyer was edged out by a political novice, who is a pastor and former math teacher. (They will face each other in a May 22 runoff, though.)

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