Challis is the 20,993rd most popular last name (surname) in the United States; frequency is 0.000%; percentile is 78.488 [SourceCBN]
Challis, Idaho, United States [City]; population was 1,073 in 1990; housing units was 493 in 1990; location is 44°30'N 114°13'W; land area is 1.28 square miles (818 acres); FIPS code is 13780 [SourceCBP]