Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Explanation: County is not what we understand for municipio, at least in Argentina.
You use town when you are not speaking about the district. Evidently, if it has a head (cabecera), it refers to a district, not to the town.
This is my view. I'm a native Sp. speaker.
Hope it helps