Jamaica Plain residents are throwing almost all their presidential campaign cash behind Barack Obama.

In JP, the president took 91 percent of the donations made through March. Former Massachusetts Gov. Mitt Romney came far, far behind with 4 percent. Libertarian darling Ron Paul notched 3 percent of JP donations.

What might be more surprising is that JP gave more cash to Obama than all but two other Zip Codes: The Back Bay's 02116 and Beacon Hill's 02108. Although this post is about the aggregate amounts given by each Zip Code, a big chunk of the JP cash came from just two people: Lawrence Rasky and Carol Eckel-Rasky. Together they've given $42,900 so far to the Obama Victory Fund 2012.

Boston is Obama Country, but the city isn’t without its Romney-supporting enclaves.

Overall, the president outraised his challenger by more than $500,000 in Boston through the month of March, according to Federal Elections Commission records. But the incumbent's fundraising lagged behind Romney’s in a handful of neighborhoods.

The former governor built a lead in the North End Waterfront, raising about $8,000 more than Obama’s $32,000. Nearby, Romney shellacked (to use the president’s term) Obama in the North End itself. Romney’s nearly $20,000 more than tripled Obama’s $6,500.

In total, Romney outraised Obama in six of 34 zip codes used by Boston donors.

In one neighborhood, though, neither candidate got to claim the title of top fundraiser. Ron Paul pulled $2,500 from the 02123 zip code applied to some Boston University properties along Commonwealth Avenue, while both Obama and Romney earned nothing from donors there.

Funds raised by zip code:

Funds raised in Boston per candidate:

Total amount donated to all candidates by zipcode:

[Editor's note: In the original post, the month through which donations were tallied was incorrect.]