In 2023, Plymouth, IL had a population of 512 people with a median age of 45.6 and a median household income of $39,750. Between 2022 and 2023 the population of Plymouth, IL grew from 489 to 512, a 4.7% increase and its median household income declined from $50,341 to $39,750, a −21% decrease.
The 5 largest ethnic groups in Plymouth, IL are White (Non-Hispanic) (91%), Asian (Non-Hispanic) (2.93%), Black or African American (Non-Hispanic) (2.73%), Two Races Including Other (Hispanic) (2.34%), and Other (Hispanic) (0.586%).
None of the households in Plymouth, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Plymouth, IL are U.S. citizens.
In 2023, the median property value in Plymouth, IL was $55,500, and the homeownership rate was 82.1%.
Most people in Plymouth, IL drove alone to work, and the average commute time was 34.2 minutes. The average car ownership in Plymouth, IL was 3 cars per household.