town vs Idaho Falls

town and Idaho Falls both are nouns.

Word	Noun	Adjective	Verb	Adverb
town	Yes	No	No	No
Idaho Falls	Yes	No	No	No

town (noun)	Idaho Falls (noun)
the people living in a municipality smaller than a city	a town in southeastern Idaho on the Snake River
an urban area with a fixed boundary that is smaller than a city
an administrative division of a county