As the campaigns for president continue, the financial stakes are getting even higher, and some of the campaign contributions are coming from Wisconsin.
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Most primary candidates for president opt out of government funds and fundraise on their own, and much of that funding comes from citizens who donate.
In this "Reality Check," WISC-TV breaks down who is supporting the politicians and their bids for president.
Since the beginning of the 2008 election cycle, the three remaining candidates have raised a staggering amount of money.
John McCain, who is now the Republican nominee, has raised nearly $77 million.
Hillary Rodham Clinton raised just more than $189 million, and Barack Obama raised $234 million.
Overall, Wisconsin ranks 29th in presidential campaign donations out of the 50 states and the District of Columbia.
Wisconsin residents have given just more than $3 million to candidates so far. Milwaukee and Madison are the top donating cities, WISC-TV reported.
Milwaukee residents donated nearly $1.4 million to candidates. Madison contributed nearly $800,000 to campaign coffers, and nearly a quarter of those funds came from the West Side.
Zip code 53705 has given more than $150,000, WISC-TV reported.
Those donation amounts are for all candidates -- those still running and those who have dropped out of the race.
In Wisconsin's primaries, Obama beat Clinton by 17 points and McCain took the Republican race. But who is leading in fundraising in Wisconsin?
In fundraising, Obama is solidly in the lead with more than $1 million from Wisconsin.
Clinton follows Obama with less than half of what he raised, about $558,000.
Third place for the Republicans goes to former-Gov. Tommy Thompson, who raised just short of $500,000. He dropped out after the Iowa straw poll.
McCain comes in fourth with about $317,000.
Wisconsin voters made their decision in the state's primary on Feb. 19, but residents continue to make their voices heard in other primaries by sending money to the candidate of their choice.
A total of more than $624,000 has been donated since Wisconsin's primary.
Obama still leads in the amount raised, with a total of about $337,000, but the gap between Obama and Clinton has gotten much smaller since the primary, with Clinton raising just more than $200,000.
Prior to Wisconsin's primary, Obama had already raised more than $1 million and Clinton has raised $353,000.