It is very prevalent in New England. This map shows at least one case in every state in the continental US: https://www.cdc.gov/lyme/datasurveillance/maps-recen

It is very prevalent in New England. This map shows at least one case in every state in the continental US: https://www.cdc.gov/lyme/datasurveillance/maps-recent.html https://www.cdc.gov/lyme/datasurveillance/maps-recent.html Anecdotally, at least half the people on the street I grew up on in Massachusetts had it (and this was before the idea of long term Lyme became widely known, these were acute infections).