Boulder Hill, IL
Population 9,127 · Illinois
About Boulder Hill, IL
Boulder Hill is a small community in Illinois with a population of 9,127 residents. The median household income is $76,935 per year, which is above the national average. The median age in Boulder Hill is 36.8 years.
Housing in Boulder Hill has a median home value of $233,100 and median monthly rent of $1,759. Of the 3,171 total housing units, the majority are owner-occupied, with 2,491 owner-occupied and 509 renter-occupied units.
The unemployment rate in Boulder Hill is 5.2% and the poverty rate is 7.0%. 17.6% of residents hold a bachelor's degree or higher. The average commute time is 28.8 minutes.
Cost of Living in Boulder Hill, IL
Compared to national averages, Boulder Hill has a median household income of $76,935 (2% above the national median of $75,149). Home values average $233,100, which is 5% below the national median. Monthly rent at $1,759 is 51% above the US average of $1,163. Within Illinois, Boulder Hill's income is 2% above the state average of $75,072, and home values are 41% above the state median of $165,779.
Why Live in Boulder Hill, IL?
Boulder Hill offers a strong local economy with a median household income of $76,935, well above the national average, and affordable housing with a median home value of $233,100, below the US average of $244,900, and a low poverty rate of 7.0%, better than the national average.
Boulder Hill has a population of 9,127 with a median age of 36.8 years. Compare Boulder Hill with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Boulder Hill
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Hawthorn Woods | 9,145 | $238,114 | $592,800 | Compare |
| Riverside | 9,079 | $149,219 | $460,500 | Compare |
| Lynwood | 9,047 | $76,619 | $213,700 | Compare |
| Sugar Grove | 9,233 | $116,250 | $372,000 | Compare |
| Bethalto | 9,244 | $66,469 | $158,600 | Compare |
| Manteno | 8,942 | $96,057 | $241,700 | Compare |
| Olney | 8,864 | $57,997 | $96,900 | Compare |
| Harwood Heights | 8,851 | $79,651 | $316,400 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
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 Boulder Hill
What is the population of Boulder Hill, IL?
The population of Boulder Hill, IL is 9,127 according to the latest Census data.
What is the median household income in Boulder Hill?
The median household income in Boulder Hill, IL is $76,935 per year.
What is the median home value in Boulder Hill?
The median home value in Boulder Hill, IL is $233,100.
What is the average rent in Boulder Hill?
The median monthly rent in Boulder Hill, IL is $1,759.
What is the unemployment rate in Boulder Hill?
The unemployment rate in Boulder Hill, IL is 5.2%.