A nuclear family, as opposed to extended family, is a kind of family with two parents and their children, it is typical in societies where people must be relatively mobile -- such as small hunter-gatherer societies and large industrial societies.
... at an average density of 546.4/km² (1,414.4/mi²). The racial makeup of the town is 93.53% White, 1.36% African American, 0.15% Native American, 2.41% Asian, ...