Self words should be hyphenated. Use a hyphen with all proper nouns and wide: University-wide. Do not hyphenate other wide words: statewide, nationwide, countywide.

Is community wide one word?

You're using a single word. ... These don't look so great with “wide” tacked on the end: “universitywide,” “communitywide,” “corporationwide.” So in these cases, there's nothing to stop you from interpreting this “wide” as a whole word an not a suffix: university-wide, community-wide, corporation-wide.

Is Market wide one word?

adverb Throughout a market .