This Is How the Democratic Primary Race Will End

Hillary Clinton is poised to clinch the nomination before California polls close on Tuesday. · Fortune

Updated 6/6/2016 10:01 p.m. EST

The long fight for the Democratic presidential nomination should effectively end Tuesday in a key state. It all comes down to New Jersey.

Sen. Bernie Sanders' campaign and some press reports have pushed the idea that California's primary on Tuesday is a vital litmus test for Clinton. The candidates head into the Golden State contest, which awards 475 delegates, close to tied in most polling.

Sanders fueled the last-stand narrative over the weekend, amping up his attacks on Clinton's foreign policy and taking aim at the nonprofit Clinton Foundation.

It is true that Sanders, a Vermont Senator, could cite a California win to claim he is best prepared defeat Donald Trump in the general election. If Sanders loses, he'll face increased pressure to drop out, allowing Democrats to unify faster. Clinton acknowledges the state matters. "It means the world to me," she said at a rally Sunday in Sacramento.

But California is no more a litmus test than New York, Florida, Texas, or any of the other big states Clinton has won. The real test has been the entire nominating contest, in which Clinton has won more votes, states, total delegates, and pledged delegates.

Over the weekend, Clinton won primaries in the Virgin Islands, netting seven delegates, and Puerto Rico, winning 36 of 60 delegates. The results put her, by unofficial counts, 24 delegates away from locking down enough support among pledged and committed superdelegates to clinch the Democratic nomination.

Clinton will almost surely become the presumptive Democratic nominee after polls close on Tuesday in New Jersey, with 126 pledged delegates at stake, unless polling in the state is historically wrong. If New Jersey, which Sanders has not invested in contesting, is close, Clinton will get more than enough to clinch there.

Clinton is preparing to claim victory at a rally in Brooklyn even as voting continues in California.

"On Tuesday, I will have decisively won the popular vote and I will have decisively won the pledged delegate majority," the former Secretary of State said Sunday on CNN. "You can’t get much more than that out of a primary season."

Clinton plans an outreach push to unify the party after Tuesday, and reportedly will receive President Obama's formal endorsement soon.

For months, Clinton's advantage in the nomination contest has rested on Democrats' proportional awarding of delegates. California offers 158 pledged delegates proportionately based on the statewide vote. Another 317 are split proportionately at the congressional district level. So, no matter who wins California, the candidates will split delegates. Because Clinton has a big lead in delegates, split results benefit her, even if Sanders wins a close vote. It's like exchanging baskets late in a basketball game. If you're ahead already, it helps.