Oto is the 50,129th most popular last name (surname) in the United States; frequency is 0.000%; percentile is 85.945 [SourceCBN]
Oto, Iowa, United States [City]; population was 118 in 1990; housing units was 69 in 1990; location is 42°17'N 95°54'W; land area is 0.26 square miles (168 acres); FIPS code is 60240 [SourceCBP]