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Koyukuk

1. Koyukuk, Alaska, United States [City]; population was 126 in 1990; housing units was 50 in 1990; location is 64°55'N 157°39'W; land area is 5.98 square miles (3,830 acres); water area is 0.22 square miles (141 acres); FIPS code is 42050 [SourceCBP]
2. Koyukuk, Alaska, United States [Populated Place] is in Yukon-Koyukuk Census Area; location is 64°52'49"N 157°42'3"W [SourceGSP]
3. Koyukuk, Alaska, United States Postal Service Zip Code is 99754 [SourcePSZ]