. "84520" . "-7" . "84539" . "-6" . . . . . . "435" . "2014-01-01Z"^^ . "East Carbon-Sunnyside is a city in Carbon County, Utah, United States. East Carbon-Sunnyside was incorporated on January 1, 2014, from the merger of the cities of East Carbon and Sunnyside. East Carbon-Sunnyside is a temporary name, to be used until the city council can adopt a permanent name.As of the 2010 census, East Carbon had a population of 1,301, while Sunnyside had a population of 377, for a combined population of 1,678. In 2014 East Carbon-Sunnyside had an estimated population of 1,602."@en . . "1824.84"^^ . "East Carbon-Sunnyside, Utah"@en . "1825.0"^^ .