Cost of living in South Duxbury, Massachusetts

South Duxbury, Massachusetts has about 3,252 people. That count is a 2020–2024 Census average, not a headcount from one day.

A typical home is worth about $982,000.

We could not match one HUD fair-market rent to Plymouth County. Some counties have more than one HUD rent, and we do not average them.

In the Boston-Cambridge-Newton, MA-NH metro area, prices sit at 108.3 when the U.S. average is 100. That is a 2024 BEA index.

Massachusetts taxes wages. A typical combined sales tax is 6.3% as of January 1, 2026. That mix is statewide, not South Duxbury's exact store tax.

In July 2026, a typical Massachusetts home paid 30.49¢ per kilowatt-hour. That is a state average from EIA, not South Duxbury's bill.

For the week of October 12, 2026, EIA's all-grades gasoline price in Massachusetts was $4.439 a gallon. At 12,000 miles a year and 25 mpg, the index counts that as $2,130.72 a year. Those miles are our standard, not a Census figure, and every town in Massachusetts shares this price.

Among 203 places we list in Massachusetts with a rent figure, 1 have higher typical rent than South Duxbury.