Boulder Hill, IL
Population 9,127 · Illinois
About Boulder Hill, IL
Boulder Hill is a small town located in Illinois with a population of 9,127 residents according to the latest US Census Bureau American Community Survey data. The median household income is $76,935 per year, which is 2% above the national median of $75,149. The median age of 36.8 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in Boulder Hill features a median home value of $233,100, which is 5% below the national median of $244,900. This positions Boulder Hill in a moderately priced market relative to the rest of the country. Median monthly rent is $1,759, 51% above the national average of $1,163/month. Of the 3,171 total housing units, 83% are owner-occupied (2,491 units) and 17% are renter-occupied (509 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Boulder Hill shows an unemployment rate of 5.2%, which is near the national rate of 3.7%. The poverty rate stands at 7.0%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Boulder Hill have an average one-way commute time of 28.8 minutes.
Education & Demographics
17.6% of Boulder Hill 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 40.0% White, 2.8% Hispanic or Latino, 2.3% Black or African American, and 0.3% Asian residents, with 13.9% of the population being foreign-born.
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.
Compare Boulder Hill With Other Cities
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 US Census Bureau American Community Survey estimates. This makes it a small town in Illinois.
What is the median household income in Boulder Hill?
The median household income in Boulder Hill, IL is $76,935 per year, which is 2% above the national median of $75,149.
What is the median home value in Boulder Hill?
The median home value in Boulder Hill, IL is $233,100, which is 5% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Boulder Hill?
The median monthly rent in Boulder Hill, IL is $1,759, which is 51% above the national average of $1,163/month.
What is the unemployment rate in Boulder Hill?
The unemployment rate in Boulder Hill, IL is 5.2%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Boulder Hill, IL a good place to live?
Boulder Hill offers above-average incomes, affordable housing, and growing employment opportunities. With a population of 9,127 and a median age of 36.8, the city appeals to a broad range of residents.
How educated is Boulder Hill, IL?
17.6% of residents in Boulder Hill 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 Boulder Hill?
Key cost-of-living indicators for Boulder Hill, IL: median home value is $233,100 (5% below national), median rent is $1,759/month, and median household income is $76,935. The home-value-to-income ratio is 3.0x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Boulder Hill?
The poverty rate in Boulder Hill, IL is 7.0%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Boulder Hill, IL?
Boulder Hill's population is 40.0% White, 2.8% Hispanic or Latino, 2.3% Black or African American, 0.3% Asian, and 1.5% two or more races. 13.9% of residents are foreign-born.