Idaho Falls vs town

Idaho Falls and town both are nouns.

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

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