Looking at Boston's apartment rental data, the gap between studios and three-bedroom units is nearly double. Let's examine where this gap comes from, unit type by unit type.

Studios average 480 square feet, with monthly rents ranging from $2,400 to $2,500. Supply is concentrated in areas like Back Bay, Fenway, and downtown, where universities and hospitals are densely located, catering primarily to graduate students, hospital staff, and young professionals living alone.

One-bedroom units average 680 square feet, with rents around $2,900 to $3,000. This is nearly $500 higher than studios, but there is steady demand from professionals who prefer a layout with a separate bedroom and living room. Many tenants in their late 20s to 30s are looking to live alone without roommates.

Two-bedroom units are around 980 square feet, with rents between $3,600 and $3,700. When shared by two roommates, the cost per person often becomes lower than that of a studio, making two-bedroom shares a common choice among students and young professionals.

Three-bedroom units average 1,250 square feet, with rents estimated at $4,300 to $4,400. Recent new developments show that the proportion of studios and one-bedrooms is overwhelmingly high, while three-bedrooms and larger units account for a single-digit percentage of the total supply.

It is noticeable that while the rent increases per unit, the supply drops sharply with each additional bedroom. This can be interpreted as developers in a land-restricted city like Boston focusing on smaller units that yield higher rental returns. This effectively reduces options for families looking to rent.

• Studio: $2,400–$2,500/month, average 480 sqft
• 1-Bedroom: $2,900–$3,000/month, average 680 sqft
• 2-Bedroom: $3,600–$3,700/month, average 980 sqft
• 3-Bedroom: $4,300–$4,400/month, average 1,250 sqft

If a Korean family with children plans to settle in Boston, they need to act quickly to secure a three-bedroom unit as soon as it becomes available. Alternatively, there is a growing trend of sharing two-bedrooms with roommates or extended family to meet budget constraints.

It is crucial to keep in mind that with each additional bedroom, not only does the rent increase, but the options themselves decrease, which is the first thing to consider when looking for a home in Boston.