Oldwick, NJ (08858) is located in Hunterdon County and has a 2 bedroom rent of $2,140. The US average for the same is $1,430, making it one of the more expensive locations to live in. The grocery cost index here is 106 versus 100 in the US., indicating that groceries are slightly more expensive than the national averages. There are many local companies that operate in Oldwick such as Bailey’s Fine Jewelry, Hart Howerton Architects & Planners, Hunterdon Land Trust Membership Association and Bell Environmental Services Inc.