Dorchester, IL
Population 185 · Illinois
About Dorchester, IL
Dorchester is a small community in Illinois with a population of 185 residents. The median household income is $121,250 per year, which is above the national average. The median age in Dorchester is 42.8 years.
Housing in Dorchester has a median home value of $133,300 and median monthly rent of $0. Of the 69 total housing units, the majority are owner-occupied, with 60 owner-occupied and 0 renter-occupied units.
The unemployment rate in Dorchester is 0.0% and the poverty rate is 1.1%. 12.5% of residents hold a bachelor's degree or higher. The average commute time is 34.2 minutes.
Cost of Living in Dorchester, IL
Compared to national averages, Dorchester has a median household income of $121,250 (61% above the national median of $75,149). Home values average $133,300, which is 46% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Illinois, Dorchester's income is 62% above the state average of $75,072, and home values are 20% below the state median of $165,779.
Why Live in Dorchester, IL?
Dorchester offers a strong local economy with a median household income of $121,250, well above the national average, and affordable housing with a median home value of $133,300, below the US average of $244,900, and rent that’s lower than the national average at $0/month. Additionally, the city features a strong job market with an unemployment rate of just 0.0%, and a low poverty rate of 1.1%, better than the national average.
Dorchester has a population of 185 with a median age of 42.8 years. Compare Dorchester 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 Dorchester
What is the population of Dorchester, IL?
The population of Dorchester, IL is 185 according to the latest Census data.
What is the median household income in Dorchester?
The median household income in Dorchester, IL is $121,250 per year.
What is the median home value in Dorchester?
The median home value in Dorchester, IL is $133,300.
What is the average rent in Dorchester?
The median monthly rent in Dorchester, IL is $0.
What is the unemployment rate in Dorchester?
The unemployment rate in Dorchester, IL is 0.0%.