Plymouth CDP, New Hampshire Demographics & Population 2026

Population Overview

Plymouth CDP is a small community located in New Hampshire. The total population is 4,877. It ranks as the 27th most populous out of 100 cities and towns in New Hampshire.

Age Demographics

The median age in Plymouth CDP is 23.2 years. This is 46% lower than the state median of 43.2 years. Only 12.8% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Plymouth CDP is $77,368. This is 19% lower than the state median of $95,628. Compared to the national median of $78,538, household income here is 1% lower. The poverty rate stands at 16.4%. This is 128% higher than the state poverty rate of 7.2%. The unemployment rate is 7.6%. This is 126% higher than the state rate of 3.4%. The median home value is $274,200. Housing costs are 25% lower than the state median of $367,200. The home-value-to-income ratio is 3.5x. 47.8% of occupied housing units are owner-occupied. This homeownership rate is 34% lower than the state average of 72.5%.

Race & Ethnicity

Plymouth CDP has a predominantly White (non-Hispanic) population, comprising 86.3% of all residents. Black or African American residents account for 3.8%. The Black or African American population is significantly higher than the state average (3.8% vs 1.4%).

Education

60.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% higher than the state rate of 39.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 99.4%. Notably, 27.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Plymouth CDP, New Hampshire is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New Hampshire state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 100 Census-designated places in New Hampshire. For official data, visit data.census.gov.