With 104 precincts reporting, spaceport opponents are gaining on supporters.
The count is now 8,510 votes, or 50.9 percent, in favor of the tax, and 8,200 votes, or 49.1 percent, opposed.
The difference is 310 votes, or 1.8 percent.
Left to count in addition to provisional ballots are ballots from three precincts and 427 absentee votes.
The current margin is smaller than the number of provisional ballots submitted.