An overview of the general cost of living index for Fort Belvoir, VA is displayed above for your reference. Residents in Fort Belvoir, VA enjoy a cost of living index of 142. This index is 31% higher than the Virginia average, and 42% higher than the national average. The following categories are used when determining the cost of living index for any given city: health care (5%), transportation (9%), utilities (10%), groceries (13%), housing (30%), and goods/services (33%). Clearly, housing and goods/services make up the majority of the formula for calculating the cost of living index. Because of this, the general cost of living for any given area can be estimated by looking at the cost of everyday goods in that area. For those living in Fort Belvoir, VA, the average cost of goods and services is 13% higher than it is in Virginia, and it is 13% higher than the national average.