Sidney, IL
Population 849 · Illinois
About Sidney, IL
Sidney is a small community in Illinois with a population of 849 residents. The median household income is $84,073 per year, which is above the national average. The median age in Sidney is 41.1 years.
Housing in Sidney has a median home value of $187,000 and median monthly rent of $1,140. Of the 392 total housing units, the majority are owner-occupied, with 296 owner-occupied and 57 renter-occupied units.
The unemployment rate in Sidney is 5.2% and the poverty rate is 4.2%. 23.4% of residents hold a bachelor's degree or higher. The average commute time is 28.4 minutes.
Cost of Living in Sidney, IL
Compared to national averages, Sidney has a median household income of $84,073 (12% above the national median of $75,149). Home values average $187,000, which is 24% below the national median. Monthly rent at $1,140 is 2% below the US average of $1,163. Within Illinois, Sidney's income is 12% above the state average of $75,072, and home values are 13% above the state median of $165,779.
Why Live in Sidney, IL?
Sidney offers a strong local economy with a median household income of $84,073, well above the national average, and affordable housing with a median home value of $187,000, below the US average of $244,900, and rent that’s lower than the national average at $1,140/month. Additionally, the city features a low poverty rate of 4.2%, better than the national average.
Sidney has a population of 849 with a median age of 41.1 years. Compare Sidney with other cities to see how it stacks up, or explore all cities in Illinois.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Sidney
What is the population of Sidney, IL?
The population of Sidney, IL is 849 according to the latest Census data.
What is the median household income in Sidney?
The median household income in Sidney, IL is $84,073 per year.
What is the median home value in Sidney?
The median home value in Sidney, IL is $187,000.
What is the average rent in Sidney?
The median monthly rent in Sidney, IL is $1,140.
What is the unemployment rate in Sidney?
The unemployment rate in Sidney, IL is 5.2%.