Pine Bluff is the largest city and county seat of Jefferson County, Arkansas, United States. It is also the principal city of the Pine Bluff Metropolitan Statistical Area and part of the Little Rock-North Little Rock-Pine Bluff, Arkansas Combined Statistical Area. According to 2006 Census Bureau estimates, the population of the city is 52,693, ranking it as the seventh most populous city in the state. Pine Bluff apartments for rent comparison page shows most up to date rent information on Pine Bluff apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.