Zip code 03455, located in Marlborough, New Hampshire, contains 24 total affordable housing units funded by the Low-Income Housing Tax Credit (LIHTC) program. These units comprise approximately 2.67% of the estimated 897 housing units in the zip code, based on the 2022 population of 2,343 and the national average household size of 2.61. All 24 units are designated as low-income units.

The LIHTC program has invested $409,495 in tax credits for affordable housing projects in zip code 03455. This investment averages about $17,062 per unit and represents 0.81% of New Hampshire's total LIHTC funding allocation. The sole LIHTC project in this zip code, Marlborough Homes Senior, was completed in 2014 and has been providing affordable housing options to the community for nearly a decade. The development consists of 22 one-bedroom units and 2 two-bedroom units, primarily catering to smaller households.

Over the past decade, zip code 03455 has experienced population fluctuations with a general upward trend, increasing from 1,968 residents in 2014 to 2,343 in 2022. The median income has also shown an overall increase, rising from $53,298 in 2014 to $74,351 in 2022, despite some year-to-year variations. The racial composition of the area has remained predominantly white, consistently above 93% throughout the decade, with slight increases in diversity among Asian, Native American, and multi-racial populations.