Google’s official Google My Business account posted on Twitter that keywords in your local listing description might improve the rankings of your listing.
Hi there! The information in question is accurate. While it's not guaranteed to improve the ranking, it could, depending on other factors, as well as information that is found online associated with the business. Send us a DM if you have any questions. Thanks! -Brad— Google My Business (@GoogleMyBiz) February 19, 2020
How to check your local rankings
You can check your rankings on Google in different regions with the ranking monitor in SEOprofiler: