"I'm neutral," he said, while cradling his three tiny Chihuahuas in his arms.
By mid-afternoon, people rallied in the heat and chanted slogans as a looming thundercloud threatened a downpour.
"Justice for Trayvon," some shouted. Others yelled, "Convict George Zimmerman."
Police and civic leaders have pleaded for calm in Sanford and across the country after the verdict.
"There is no party in this case who wants to see any violence," Seminole County Sheriff Don Eslinger said. "We have an expectation upon this announcement that our community will continue to act peacefully."
In New York on Saturday, the Rev. Al Sharpton said that no matter the verdict, any demonstrations that follow it must be peaceful.