Bolingbrook, Illinois Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Updated
Bolingbrook, IL Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around average
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B
Education Around average
Source: Map AI Methodology
Population
| Metric | Bolingbrook | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 74,594 | 12,692,444 | 337,468,954 |
| Population density (per sq mi) | 2962.0 | 219.1 | 86.4 |
| Population growth (%/yr) | 0.06% | -0.16% | 0.59% |
| Median age | 38.5 | 37.4 | 37.3 |
| Households | 24,362 | 5,035,584 | 130,235,071 |
Population in Bolingbrook grew by 1.0% from 2009 to 2024, reaching 74,594 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Bolingbrook is Gen Z, aged 13–28, at 23.9% of residents. That is 2.7 points above Illinois as a whole.
- Gen Z 13–28 17,845 23.9% +2.7 pts
- Millennials 29–44 16,481 22.1% +0.2 pts
- Gen X 45–60 16,483 22.1% +1.7 pts
- Boomers 61–79 8,867 11.9% -5.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Illinois, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.5% of the people living in Bolingbrook and men 49.5%.
- Women 50.5% Illinois 50.6%
- Men 49.5% Illinois 49.4%
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Economy
Bolingbrook has a the economy index of B, which means it is quite prosperous.
| Metric | Bolingbrook | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $107,929 | $84,042 | $80,455 |
| Income growth (%/yr) | 3.68% | 4.46% | 4.80% |
| Unemployment rate | 5.7% | 5.8% | 5.2% |
The median household income in Bolingbrook is about 28% higher than in Illinois.
Housing
| Metric | Bolingbrook | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $205,512 | $149,936 | $248,835 |
| Median rent | $1,748 | $1,274 | $1,407 |
| Homeownership rate | 78.7% | 67.1% | 65.2% |
The median home price in Bolingbrook is about 9.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,748 per month for that long.
Commute Time & Mobility
Commuters in Bolingbrook spend about 53 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 221 hours, about 9.2 full days, spent commuting.
| Metric | Bolingbrook | Illinois Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 26.6 | 23.6 | 22.4 |
| Round-trip commute (min) | 53.1 | 47.3 | 44.8 |
| Yearly time spent (hours) | 221 | 197 | 187 |
| Estimated yearly cost | $6,860 | $6,104 | $5,790 |
| Work from home | 17.3% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 37,122 | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 4,288 | 1,547 | 1,355 |
The average commute time in Bolingbrook is 27 minutes, longer than the 24 minutes in Illinois.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Bolingbrook has a education index of B, which means it is quite educated.
| Metric | Bolingbrook | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 34.5% | 34.1% | 31.6% |
| Average household size | 3.05 | 2.46 | 2.53 |
Health
Bolingbrook has a health index of B, which means it is quite healthy.
| Metric | Bolingbrook | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.2 | 77.9 | 78.3 |
| Self-rated poor health | 12.6% | 15.6% | 16.3% |
| Smokers | 14.9% | 19.2% | 19.0% |
Bolingbrook, IL Compared With Nearby Cities
Bolingbrook, IL is the 2nd largest of the 5 cities compared here, 74,594 residents against a local median of 34,304. Bolingbrook, IL's median home price, at $205,512, runs 39% below the $335,164 typical of the cities around it.
The cities themselves spread $363,972 on median home price, so Bolingbrook, IL sits at one end of an already wide local range rather than apart from it. Bolingbrook, IL has the 5th highest median home price of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Bolingbrook, IL | 74,594 | $107,929 #2/5 | $205,512 #5/5 | 26.6 min #4/5 |
| Romeoville, IL | 36,499 | $102,094 | $317,182 | 30.6 min |
| Woodridge, IL | 32,108 | $100,684 | $221,795 | 26.1 min |
| Naperville, IL | 129,015 | $151,334 | $353,146 | 26.2 min |
| Lisle, IL | 22,476 | $104,405 | $585,767 | 25.1 min |
Frequently Asked Questions
Common questions about Bolingbrook, Illinois.
How big is Bolingbrook, Illinois by population?
About 74,594 people live in Bolingbrook, Illinois, in 24,362 households of 3.0 people on average. The median age is 38.5, close to the U.S. median of 37.3.
Is Bolingbrook, Illinois mostly urban or rural?
Averaged over its land area, Bolingbrook, Illinois has 2,962 people per square mile, a density typical of urban and suburban areas. That is about 34 times the U.S. average of 86.
How affordable is housing in Bolingbrook, Illinois?
The median home costs 1.9 times the median household income ($205,512 against $107,929), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,748 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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