An overview of the general cost of living index for Sullivan, IN is displayed above for your reference. Residents in Sullivan, IN enjoy a cost of living index of 84. This index is 1% higher than the Indiana average, and 16% lower 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 Sullivan, IN, the average cost of goods and services is 21% higher than it is in Indiana, and it is 4% higher than the national average.