inconsistent p behavior causing trouble+issues

On The Farm School Wagn - http://thefarmschool.wagn.org/Users_by_Zip_Code - you can see that between taysmom and Victor Slade something changes and there's a line break between names and zip codes. The HTML shows that before the change there are p tags around the zip codes before the change, and not after. But examimng the cards' HTML directly shows that they all have the p tags: