PHOENIX -- A new poll said Maricopa County Sheriff Joe Arpaio's approval rating declined over the last 18 months.
The poll released Thursday by the Behavior Research Center found 37 percent of those were surveyed approved of Arpaio.
Twelve percent said Arpaio was doing a fair job.
Another 42 percent disapproved of the sheriff.
The poll of 418 heads of households in Maricopa County was taken July 8-21 and has a sampling error of plus or minus 4.8 percentage points.
Arpaio won his sixth term last year in his second-closest election.
A January 2012 survey by the Behavior Research Center found 49 percent of those surveyed approved of Arpaio, while 15 percent said he was doing a fair job and 32 percent disapproved of the sheriff.
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