Supporters of the measure reported nearly 15,000 checks from individuals and organizations. Opponents drew a fraction of that, with about 2,300 donations. Each side received some six-figure checks, but proponents relied less heavily on large gifts. The average contribution on behalf of gay marriage was $402, while the average check from opponents was $1,037.
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Supporters of the same-sex marriage measure raised almost half their money from Maryland donors — with thousands of small house parties held nightly in September and October. Opponents relied more heavily on out-of-state giving, with 30 percent of their funds coming from the Free State.