| Bernalillo County New Mexico Cities/Towns - Albuquerque (County Seat), Carnuel, Cedar Crest, Chilili, Corrales, Isleta Village Proper, Los Ranchos de Albuquerque, North Valley, Rio Rancho, South Valley, Tijeras |
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Your Ad Here Bernalillo County is the most populous county in the U.S. state of New Mexico. In 2007, the population was estimated at 635,139. The county seat is Albuquerque. History In 1852, Bernalillo became one of that territory's nine original counties. ![]() |