Xavier, what do you mean file is latin1 encoded? You lost me. By the way, one of the Non UTF-8 data that it complains about is the accent over the e in Neguac:
* Néguac* New Brunswick See my error above given by psql db < file.sql -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users. For more options, visit https://groups.google.com/groups/opt_out.

