Why?

Well, for starters let's do some Math. See here NH's official statistics on housing by type.

EDIT i fixed my math because I included manufactured homes which are traditionally single family. If we remove all single family (not the most accurate because there IS rental single family but this is the closest option I have access to) and simply factor in multi unit dwellings, we're left with (by unit count), for the entire state, 198,471 Apartments at any given time.

Now, per this source, At any time We have 0.5% of our apartments available as rentals. Which, means, assuming or original State sponsored figure is accurate or, yah know, close enough, at any given time here we have 992 apartments to rent in a state of 1,100,000 people. Nice.

And if we further explore this, New Hampshire maintains consistent population growth through internal and external migrations. Basically, more people move here than leave here. To the tune of 6,000+ a year.

And finally. Assachusetts ranked (shockingly) was rated as the 7th most fled from State in the union. They lost 57,000 bodies alone between 2021 and 2022. One of their data sources is a moving compamy that helpfully sources What percentage of moves were incoming and outgoing. They also offer income data, which is neat if you're interested.

And finally, according to NHPR there was just about 4,700 homeless individuals and families in the granite state. Which means if just 1/3rd are actively seeking housing at any given time, that 1600 people within the state need immediate shelter and are actively competing for the 1,168 units that are potentially available for the year.

So why do I assume these would be taken over by transplants? It's simple math. If 1600 NH people and 6,000 new bodies applied, just by odds alone, those places are almost 5x as likely to be occupied by someone from out of state. That's not factoring in Anecdotal experience of living on the seacoast and looking for a new rental recently. Does that answer your question?