Montclair, California Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Montclair, CA 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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D
Income Well below average
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F
Education Well below average
Source: Map AI Methodology
Population
| Metric | Montclair | California Avg | U.S. Average |
|---|---|---|---|
| Population | 38,094 | 39,245,658 | 337,468,954 |
| Population density (per sq mi) | 6887.5 | 239.4 | 86.4 |
| Population growth (%/yr) | -0.63% | 0.19% | 0.59% |
| Median age | 31.3 | 35.5 | 37.3 |
| Households | 10,704 | 13,531,619 | 130,235,071 |
Population in Montclair declined by 0.7% from 2009 to 2024, reaching 38,094 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Montclair is Gen Z, aged 13–28, at 27.6% of residents. That is 5.9 points above California as a whole.
- Gen Z 13–28 10,533 27.6% +5.9 pts
- Millennials 29–44 8,420 22.1% -1.6 pts
- Gen X 45–60 6,821 17.9% -2.0 pts
- Boomers 61–79 4,398 11.5% -3.7 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 California, 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 50.9% of the people living in Montclair and men 49.1%.
- Women 50.9% California 49.9%
- Men 49.1% California 50.1%
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100% of everyone living in Montclair
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Economy
Montclair has a the economy index of D, which means it is barely prosperous.
| Metric | Montclair | California Avg | U.S. Average |
|---|---|---|---|
| Median household income | $78,858 | $99,161 | $80,455 |
| Income growth (%/yr) | 6.00% | 5.57% | 4.80% |
| Unemployment rate | 6.4% | 6.6% | 5.2% |
The median household income in Montclair is about 20% lower than in California.
Housing
| Metric | Montclair | California Avg | U.S. Average |
|---|---|---|---|
| Median home price | $53,142 | $650,794 | $248,835 |
| Median rent | $1,853 | $2,036 | $1,407 |
| Homeownership rate | 53.8% | 55.9% | 65.2% |
The median home price in Montclair is about 2.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,853 per month for that long.
Commute Time & Mobility
Commuters in Montclair spend about 52 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 216 hours, about 9.0 full days, spent commuting.
| Metric | Montclair | California Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.9 | 23.5 | 22.4 |
| Round-trip commute (min) | 51.9 | 47.0 | 44.8 |
| Yearly time spent (hours) | 216 | 196 | 187 |
| Estimated yearly cost | $6,702 | $6,065 | $5,790 |
| Work from home | 6.0% | 17.2% | 15.0% |
| Highway traffic (vehicles/day) | 47,787 | 16,509 | 8,813 |
| Local road traffic (vehicles/day) | 2,598 | 2,449 | 1,355 |
The average commute time in Montclair is 26 minutes, longer than the 23 minutes in California.
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
Montclair has a education index of F, which means it scores poorly in education.
| Metric | Montclair | California Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 15.6% | 33.0% | 31.6% |
| Average household size | 3.52 | 2.84 | 2.53 |
Health
Montclair has a health index of B, which means it is quite healthy.
| Metric | Montclair | California Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.7 | 79.6 | 78.3 |
| Self-rated poor health | 18.9% | 16.4% | 16.3% |
| Smokers | 13.6% | 13.9% | 19.0% |
Montclair, CA Compared With Nearby Cities
Montclair, CA is the 4th largest of the 6 cities compared here, 38,094 residents against a local median of 79,252. Montclair, CA's median home price, at $53,142, runs 91% below the $617,866 typical of the cities around it.
Median household income tells the same story from another angle: $78,858 against a local median of $104,718, 25% below it. The one measure here that carries a verdict is median household income, and at 25% below the local median it puts Montclair, CA at the weaker end of the local range. The cities themselves spread $1,035,810 on median home price, so Montclair, CA sits at one end of an already wide local range rather than apart from it. Montclair, CA has the 6th highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Montclair, CA | 38,094 | $78,858 #6/6 | $53,142 #6/6 | 25.9 min #2/6 |
| Claremont, CA | 36,112 | $123,706 | $1,392,546 | 22.2 min |
| Upland, CA | 79,252 | $108,406 | $617,866 | 26.6 min |
| Pomona, CA | 148,496 | $80,439 | $529,653 | 28.2 min |
| La Verne, CA | 29,835 | $104,718 | $1,485,412 | 27.3 min |
| Chino, CA | 95,396 | $103,329 | $449,602 | 30.4 min |
Frequently Asked Questions
Common questions about Montclair, California.
How big is Montclair, California by population?
About 38,094 people live in Montclair, California, in 10,704 households of 3.5 people on average. The median age is 31.3, so residents are younger than the U.S. median of 37.3 by about 6 years.
Is Montclair, California urban or rural?
Averaged over its land area, Montclair, California has 6,887 people per square mile, a density typical of a city. That is about 80 times the U.S. average of 86.
How affordable is housing in Montclair, California?
The median home costs 0.7 times the median household income ($53,142 against $78,858), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,853 a month takes about 28% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in Montclair, California have a college degree?
15.6% of adults in Montclair, California hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.
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