Introduction. Living in Placer County. from. Placer County Video Portal. Placer County is comprised of over 1,400 square miles of beautiful and diverse geography, ranging from the residential and commercial areas of South Placer, through the historic foothill areas of Auburn, Foresthill, and Colfax, and to the County's jewel of the North Lake Tahoe basin. Placer is a great place to live, work, play, and learn. For more information about Placer Co...
