An overview of the general cost of living index for Centerville, IA is displayed above for your reference. Residents in Centerville, IA enjoy a cost of living index of 79. This index is 11% lower than the Iowa average, and 21% 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 Centerville, IA, the average cost of goods and services is 6% lower than it is in Iowa, and it is 11% lower than the national average.