This study aims at designing and calculating of the information index for efficient implementation of the regional information policy. The content and scope of this study are designing the struture of information index, measuring the informatization level in major cities of Korea and inducing rough idea for better performing of Korea information policy. Thereby we calculated tables ofinformation indexon seventy-eight cities in Korea from 1985 to 1994 and also basic strategy for better policy implementation. And we found that every citities share the benefit almost equal in the use of old media but not in that of new media. It can be expected that the bovernment will make a good use to get procedural validity in the course of designing some information policy based upon quantitative data.