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Roundup

1. Roundup, Montana, United States [City]; population was 1,808 in 1990; housing units was 1,006 in 1990; location is 46°27'N 108°32'W; land area is 1.34 square miles (856 acres); water area is 0.00 square miles (1 acres); FIPS code is 64525 [SourceCBP]
2. Roundup, Montana, United States [Populated Place] is in Musselshell County; location is 46°26'43"N 108°32'28"W; elevation is 3,226 feet [SourceGSP]
3. Roundup, Montana, United States Postal Service Zip Code is 59072, 59073 (Delphia), 59084 (Teigen) [SourcePSZ]