When comparing nursing home costs in Brockton for a semiprivate room with the average U.S. city, the rates in Brockton are $1,977 more expensive per month, but this is still lower than the Massachusetts average of $12,623. The surrounding cities of Springfield ($11,568), Worcester ($12,486) and Barnstable ($13,326) are all significantly higher, as well, with Boston ($13,383), the most populous city in Massachusetts, being the most expensive in the state, more than $3,500 pricier on average than Brockton.