Monowi is an incorporated village in Boyd County, Nebraska, United States. It garnered national and international recognition after the 2010 United States census counted only one resident of the village, Elsie Eiler. Though the 2020 census listed Monowi's population as two, this was confirmed to be an example of differential privacy in the census data; Eiler remains the town's sole resident.

Buford is an unincorporated community in Albany County, Wyoming, United States. It is located between Laramie and Cheyenne on Interstate 80. Its last resident, who had been the lone resident for nearly two decades, left in 2012. As of the 2020 US Census, the population of the community is 0.