 Nibley City's population and households have more than doubled from 2000–2010.The population density was 1,350.7 people per square mile.The racial makeup of the city was 87.5% White; .2% Black; .5% American Indian and Alaska Native; .5% Asian; .2% Native Hawaiian and other Pacific Islander; 1.7% reporting two or more races; and 10.1% Hispanic or Latino.