Middle River, Maryland, has a total of 163 affordable housing units, with 154 designated as low-income units, funded by the Low-Income Housing Tax Credit (LIHTC) program. Based on the 2022 population of 29,758 and an estimated 11,402 housing units, LIHTC-funded affordable housing comprises approximately 1.43% of the city's estimated housing inventory. The city has received $540,515 in project tax credits from the LIHTC program, distributed across approximately two projects. This translates to an average federal funding of $270,258 per project or about $3,316 per unit. Middle River accounts for 0.37% of Maryland's total LIHTC funding.

The first LIHTC project in Middle River was completed in 2006, with the most recent project finished in 2017. This indicates that affordable housing has been present in the city for over a decade, with the 2010s experiencing the most affordable housing development activity. The affordable housing inventory in Middle River consists primarily of one-bedroom units, with 161 such units available and 2 two-bedroom units. The largest project is Golden Ring Co-Op Senior Apts., completed in 2017, which added 153 low-income units to the city's inventory.

Over the last decade, Middle River has experienced population growth, increasing from 26,862 in 2013 to 29,758 in 2022. The median income has also risen, from $66,406 in 2013 to $74,032 in 2022. Racial demographics have shifted during this period. The white population has decreased from 65% in 2013 to 51% in 2022, while the Black population has increased from 23% to 29%. The Asian population has grown from 2% to 7%, and the Hispanic population has increased from 5% to 8%.