The Virginia Senate race is neck-and-neck, with Tim Kaine and George Allen split down the middle, according to a new Washington Post poll. Each candidate has 46 percent, the same as a year ago, the newspaper noted.

Kaine is ahead in fundraising, collecting $7,434,457 to Allen's $6,137,826 as of March 31. Allen is in a primary race with three fellow Republicans, while Kaine has the Democratic field to himself.

Allen leads the race in donations from in-state donors, with 47.8 percent of his donations coming from Virginia. Kaine's in-state donations account for 31.3 percent, according to the Center for Responsive Politics.

However donations of less than $200 total $421,434 for Kaine and $130,700 for Allen.

In fundraising, the two trade first-place in donations honors from ZIP code to ZIP code in Northern Virginia.

Here are donations as of March 31, broken down by a sampling of Northern Virginia ZIP codes, courtesy of Virginia Public Access Project and the Center for Responsive Politics:

Allen faces three primary challengers on the ballot June 12. The winner of the primary will face Kaine in the general election, set for Nov. 6.

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Editor's note: Information for this article did not include donations of less than $200. Donations of less than $200 total $421,434 for Kaine and $130,700 for Allen.