Voter participation rate calculates how many registered voters cast ballots, while voters by population divides the total voting-age population by ballots cast.
In Caribou in 2018:
- the voter participation rate was 60 percent,
- the voters by population was 32 percent,
- the number of registered voters at cutoff was 3,630,
- the number of people who registered on election day was 179,
- the number of ballots cast was 2,290, and
- the total number of registered voters was 3,809.