An overview of the general cost of living index for Kemp Mill, MD is displayed above for your reference. Residents in Kemp Mill, MD enjoy a cost of living index of 136. This index is 13% higher than the Maryland average, and 36% 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 Kemp Mill, MD, the average cost of goods and services is equal to it is in Maryland, and it is 4% higher than the national average.