What metrics do you use to measure the success of your social media campaigns?

By Achieving goals with low cost, It is in dependent on make more than campaigns for same goal and change audience demographic and interests , cost, post content . To get Best audience for you.

Basic metrics for measuring interaction on social networking sites  Audience size  Audience interaction  Social networking site analytics  Number of new followers  Analysis of social networking sites related to follow-up of interaction volume

Kindly check the below link

https://blog.kissmetrics.com/social-media-measurement/