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The total population of Plymouth County is estimated to be 529,548 with 259,441 males (48.99%) and 270,107 females (51.01%). There are 10,666 more females than males in Plymouth County.
The median household income in Plymouth County was $106,135 in 2021, which marked an an increase of 859(0.82%) from $105,276 in 2020. This income is 142.26% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Plymouth County sees its highest median household income among householders in the age group of 45 to 64 years old, at $130,700. Overall, the median household income for the county of Plymouth County stands at $103,173.
In Plymouth County, the median income for all workers aged 15 years and older, regardless of work hours, was $58,878 for males and $37,015 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $86,539 for males and $64,814 for females.
In Plymouth County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, American Indian and Alaska Native households have the highest median household income at $143,967, while Some Other Race households represent the opposite end with the lowest median household income of $55,825.
In 2022, the population of Plymouth County was 533,069, a 0.03% increase year-by-year from 2021. Previously, in 2021, Plymouth County's population was 532,919, an increase of 0.52% compared to a population of 530,154 in 2020.
The median age in Plymouth County, MA is 42.6, as per 2021 ACS 5-Year Estimates. Of the total population, 17.30% were under the age of 15, 17.98% aged 15 to 29, 46.57% aged 30 to 64, 15.97% aged 65 to 84, and 2.18% were 85 years of age and older.
Racial distribution of Plymouth County population: 80.65% are White, 9.26% are Black or African American, 0.15% are American Indian and Alaska Native, 1.57% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 3.45% are some other race and 4.89% are multiracial.