UTF8 Postgresql Create Database Like MySQL (including character set, encoding, and lc_type)
Yes, you can be more specific.
For example:
CREATE DATABASE "scratch" WITH OWNER "postgres" ENCODING 'UTF8' LC_COLLATE = 'en_US.UTF-8' LC_CTYPE = 'en_US.UTF-8';
Also I recommend to read the following pages about locales and collations in PostgreSQL: