Plymouth, IL
Population 512 · Illinois
About Plymouth, IL
Plymouth is a small community located in Illinois with a population of 512 residents according to the latest US Census Bureau American Community Survey data. The median household income is $39,750 per year, which is 47% below the national median of $75,149. The median age of 45.6 years is notably older the US median age of 38.9 years, suggesting a more established community with a higher proportion of long-term residents.
Housing Market Overview
The housing market in Plymouth features a median home value of $55,500, which is 77% below the national median of $244,900. This makes Plymouth one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $796, 32% below the national average of $1,163/month. Of the 251 total housing units, 82% are owner-occupied (184 units) and 18% are renter-occupied (40 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Plymouth shows an unemployment rate of 20.3%, which is significantly above the national rate of 3.7%, suggesting economic challenges in the area. The poverty rate stands at 29.5%, above the national average of 12.4%. Workers in Plymouth have an average one-way commute time of 34.2 minutes.
Education & Demographics
9.0% of Plymouth residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 0.4% White, 0.0% Hispanic or Latino, 0.8% Black or African American, and 2.1% Asian residents, with 0.0% of the population being foreign-born.
Cost of Living in Plymouth, IL
Compared to national averages, Plymouth has a median household income of $39,750 (47% below the national median of $75,149). Home values average $55,500, which is 77% below the national median. Monthly rent at $796 is 32% below the US average of $1,163. Within Illinois, Plymouth's income is 47% below the state average of $75,072, and home values are 67% below the state median of $165,779.
Why Live in Plymouth, IL?
Plymouth offers affordable housing with a median home value of $55,500, below the US average of $244,900, and rent that’s lower than the national average at $796/month.
Potential considerations include median household income ($39,750) that falls below the national average. However, Plymouth’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Plymouth has a population of 512 with a median age of 45.6 years. Compare Plymouth with other cities to see how it stacks up, or explore all cities in Illinois.
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Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Plymouth
What is the population of Plymouth, IL?
The population of Plymouth, IL is 512 according to the latest US Census Bureau American Community Survey estimates. This makes it a small community in Illinois.
What is the median household income in Plymouth?
The median household income in Plymouth, IL is $39,750 per year, which is 47% below the national median of $75,149.
What is the median home value in Plymouth?
The median home value in Plymouth, IL is $55,500, which is 77% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Plymouth?
The median monthly rent in Plymouth, IL is $796, which is 32% below the national average of $1,163/month.
What is the unemployment rate in Plymouth?
The unemployment rate in Plymouth, IL is 20.3%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Plymouth, IL a good place to live?
Plymouth offers a moderate cost of living, affordable housing, and growing employment opportunities. With a population of 512 and a median age of 45.6, the city appeals to established professionals and retirees.
How educated is Plymouth, IL?
9.0% of residents in Plymouth aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Plymouth?
Key cost-of-living indicators for Plymouth, IL: median home value is $55,500 (77% below national), median rent is $796/month, and median household income is $39,750. The home-value-to-income ratio is 1.4x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Plymouth?
The poverty rate in Plymouth, IL is 29.5%, compared to the national average of 12.4%. Residents and prospective movers should be aware of the economic challenges facing parts of this community.
How diverse is Plymouth, IL?
Plymouth's population is 0.4% White, 0.0% Hispanic or Latino, 0.8% Black or African American, 2.1% Asian, and 2.7% two or more races. 0.0% of residents are foreign-born.