Bismarck, IL
Population 510 · Illinois
About Bismarck, IL
Bismarck is a small community in Illinois with a population of 510 residents. The median household income is $76,875 per year, which is above the national average. The median age in Bismarck is 42.5 years.
Housing in Bismarck has a median home value of $110,300 and median monthly rent of $817. Of the 223 total housing units, the majority are owner-occupied, with 187 owner-occupied and 30 renter-occupied units.
The unemployment rate in Bismarck is 5.6% and the poverty rate is 10.3%. 22.1% of residents hold a bachelor's degree or higher. The average commute time is 23.9 minutes.
Cost of Living in Bismarck, IL
Compared to national averages, Bismarck has a median household income of $76,875 (2% above the national median of $75,149). Home values average $110,300, which is 55% below the national median. Monthly rent at $817 is 30% below the US average of $1,163. Within Illinois, Bismarck's income is 2% above the state average of $75,072, and home values are 33% below the state median of $165,779.
Why Live in Bismarck, IL?
Bismarck offers a strong local economy with a median household income of $76,875, well above the national average, and affordable housing with a median home value of $110,300, below the US average of $244,900, and rent that’s lower than the national average at $817/month. Additionally, the city features a low poverty rate of 10.3%, better than the national average, and short commute times averaging just 23.9 minutes.
Bismarck has a population of 510 with a median age of 42.5 years. Compare Bismarck 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 Bismarck
What is the population of Bismarck, IL?
The population of Bismarck, IL is 510 according to the latest Census data.
What is the median household income in Bismarck?
The median household income in Bismarck, IL is $76,875 per year.
What is the median home value in Bismarck?
The median home value in Bismarck, IL is $110,300.
What is the average rent in Bismarck?
The median monthly rent in Bismarck, IL is $817.
What is the unemployment rate in Bismarck?
The unemployment rate in Bismarck, IL is 5.6%.