How to counter Jinx
Let us take a look on how to beat Jinx. We will look at champions who are strong against Jinx and who are weak against Jinx. Use win rate, gold difference and creep score difference at minute 10 to find the best 
Adc champion who counters Jinx. You can already win in champion select with the right counters for Jinx. If you want to know how to counter Jinx then you need to take into account the best picks vs Jinx and the worst picks vs Jinx. This Jinx counter data is based on matches played by Pros on patch 13.24 and previous ones. It is important to see whether Pros counter picked Jinx or whether they played as Jinx.
Champions used by Pros to counter pick Jinx
Looking at the matches from Pros (see table Pros counter picked Jinx) we can see that they picked 
Kai'Sa most often to counter pick Jinx. The matchup Kai'Sa vs Jinx occured 136 times. Jinx has 70 wins and 66 losses in this matchup. Learn how to counter pick Kai'Sa to get another perspective on the data.
Lane outcome for Jinx
When looking at Jinx counters you will notice that win rates alone are not conclusional. Therefore we provide an overview (see table Lane Outcome) where you can see the lane outcome of Pros who played Jinx. The lane outcome of Jinx consists of three outcomes: Win, Loss or Draw. Let's take a look of Jinx lane and match outcome for specific matchups. Considering the lane outcome and the match outcome of a specific matchup, might enable you to find the right counter for Jinx.
Conclusion
Analyze the available data and learn how to beat Jinx. To master Jinx take also a look on Jinx builds and runes for Jinx. Good luck, Summoner!