As of the second quarter of 2025, the median home value in Plymouth County was $245,947. As of the 2024
American Community Survey, there are 10,313 estimated households in Plymouth County with an average of 2.46 persons per household. The county has a median household income of $83,251. Approximately 6.9% of the county's population lives at or below the
poverty line. Plymouth County has an estimated 67.1% employment rate, with 21.7% of the population holding a bachelor's degree or higher and 94.8% holding a high school diploma. There were 10,891 housing units at an average density of . The top five reported languages (people were allowed to report up to two languages, thus the figures will generally add to more than 100%) were English (93.1%), Spanish (4.3%), Indo-European (0.5%), Asian and Pacific Islander (0.7%), and Other (1.5%). The median age in the county was 41.3 years.
2024 estimate As of the 2024 estimate, there were 25,825 people, 10,313 households, and _ families residing in the county. The population density was . There were 10,891 housing units at an average density of . The racial makeup of the county was 93.2% White
(87.1% NH White), 2.6% African American, 1.0% Native American, 0.7% Asian, 1.0% Pacific Islander, _% from some other races and 1.5% from two or more races. Hispanic or Latino people of any race were 7.1% of the population.
2020 census As of the
2020 census, there were 25,698 people, 10,171 households, and 7,048 families residing in the county. The
population density was . There were 10,818 housing units at an average density of . The racial makeup of the county was 90.63%
White, 1.39%
African American, 0.34%
Native American, 0.45%
Asian, 0.46%
Pacific Islander, 2.55% from some other races and 4.19% from two or more races.
Hispanic or Latino people of any race were 5.82% of the population. The median age was 40.6 years; 25.2% of residents were under the age of 18 and 19.1% of residents were 65 years of age or older. For every 100 females there were 100.5 males, and for every 100 females aged 18 and over there were 98.4 males age 18 and over. 39.5% of residents lived in urban areas, while 60.5% lived in rural areas. There were 10,171 households in the county, of which 30.6% had children under the age of 18 living in them. Of all households, 56.4% were married-couple households, 17.4% were households with a male householder and no spouse or partner present, and 20.3% were households with a female householder and no spouse or partner present. About 26.3% of all households were made up of individuals and 12.7% had someone living alone who was 65 years of age or older. There were 10,818 housing units, of which 6.0% were vacant. Among occupied housing units, 77.0% were owner-occupied and 23.0% were renter-occupied. The homeowner vacancy rate was 0.8% and the rental vacancy rate was 6.8%.
2010 census As of the
2010 census, there were 24,986 people, 10,171 households, and _ families residing in the county. The population density was . There were 10,550 housing units at an average density of . The racial makeup of the county was 96.39%
White, 0.30%
African American, 0.28%
Native American, 0.47%
Asian, 0.06%
Pacific Islander, 1.48% from some other races and 1.00% from two or more races.
Hispanic or Latino people of any race were 2.97% of the population.
2000 census As of the
2000 census, there were 24,849 people, 9,372 households, and 6,804 families residing in the county. The population density was . There were 9,880 housing units at an average density of . The racial makeup of the county was 98.16%
White, 0.29%
African American, 0.14%
Native American, 0.27%
Asian, 0.06%
Pacific Islander, 0.46% from some other races and 0.62% from two or more races.
Hispanic or Latino people of any race were 1.32% of the population. There were 9,372 households 35.70% had children under the age of 18 living with them, 63.30% were
married couples living together, 6.20% had a female householder with no husband present, and 27.40% were non-families. 24.00% of households were one person and 12.00% were one person aged 65 or older. The average household size was 2.61 and the average family size was 3.12. The age distribution was 28.30% under the age of 18, 7.20% from 18 to 24, 26.40% from 25 to 44, 22.00% from 45 to 64, and 16.00% 65 or older. The median age was 38 years. For every 100 females there were 98.80 males. For every 100 females age 18 and over, there were 95.70 males. The median household income was $41,638 and the median family income was $50,009. Males had a median income of $33,566 versus $22,558 for females. The
per capita income for the county was $19,442. About 4.40% of families and 6.00% of the population were below the
poverty line, including 6.70% of those under age 18 and 6.40% of those age 65 or over. ==Points of interest==