Monrovia, California Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Monrovia, 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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A
Health Above average
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B
Income Around average
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B
Education Around average
Source: Map AI Methodology
Population
| Metric | Monrovia | California Avg | U.S. Average |
|---|---|---|---|
| Population | 38,860 | 39,245,658 | 337,468,954 |
| Population density (per sq mi) | 2828.1 | 239.4 | 86.4 |
| Population growth (%/yr) | -0.11% | 0.19% | 0.59% |
| Median age | 37.4 | 35.5 | 37.3 |
| Households | 14,487 | 13,531,619 | 130,235,071 |
Population in Monrovia grew by 0.5% from 2009 to 2024, reaching 38,860 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Monrovia is Millennials, aged 29–44, at 24.4% of residents. That is 0.8 points above California as a whole.
- Gen Z 13–28 7,472 19.2% -2.5 pts
- Millennials 29–44 9,493 24.4% +0.8 pts
- Gen X 45–60 8,870 22.8% +3.0 pts
- Boomers 61–79 5,745 14.8% -0.5 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 50.7% of the people living in Monrovia and men 49.3%.
- Women 50.7% California 49.9%
- Men 49.3% California 50.1%
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Economy
Monrovia has a the economy index of B, which means it is quite prosperous.
| Metric | Monrovia | California Avg | U.S. Average |
|---|---|---|---|
| Median household income | $96,206 | $99,161 | $80,455 |
| Income growth (%/yr) | 4.28% | 5.57% | 4.80% |
| Unemployment rate | 4.9% | 6.6% | 5.2% |
The median household income in Monrovia is about 3% lower than in California.
Housing
| Metric | Monrovia | California Avg | U.S. Average |
|---|---|---|---|
| Median home price | $975,028 | $650,794 | $248,835 |
| Median rent | $2,107 | $2,036 | $1,407 |
| Homeownership rate | 47.8% | 55.9% | 65.2% |
The median home price in Monrovia is about 38.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,107 per month for that long.
Commute Time & Mobility
Commuters in Monrovia spend about 57 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 236 hours, about 9.8 full days, spent commuting.
| Metric | Monrovia | California Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 28.3 | 23.5 | 22.4 |
| Round-trip commute (min) | 56.7 | 47.0 | 44.8 |
| Yearly time spent (hours) | 236 | 196 | 187 |
| Estimated yearly cost | $7,319 | $6,065 | $5,790 |
| Work from home | 17.8% | 17.2% | 15.0% |
| Highway traffic (vehicles/day) | 61,577 | 16,509 | 8,813 |
| Local road traffic (vehicles/day) | 4,062 | 2,449 | 1,355 |
The average commute time in Monrovia is 28 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
Monrovia has a education index of B, which means it is quite educated.
| Metric | Monrovia | California Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 39.9% | 33.0% | 31.6% |
| Average household size | 2.67 | 2.84 | 2.53 |
Health
Monrovia has a health index of A, which means it is very healthy.
| Metric | Monrovia | California Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.3 | 79.6 | 78.3 |
| Self-rated poor health | 12.1% | 16.4% | 16.3% |
| Smokers | 9.2% | 13.9% | 19.0% |
Monrovia, CA Compared With Nearby Cities
How Monrovia, CA compares with the 2 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Monrovia, CA | 38,860 | $96,206 #3/3 | $975,028 #2/3 | 28.3 min #2/3 |
| Duarte, CA | 22,184 | $104,798 | $55,013 | 28.4 min |
| Arcadia, CA | 59,130 | $114,042 | $1,431,059 | 27.0 min |
Frequently Asked Questions
Common questions about Monrovia, California.
How many people live in Monrovia, California?
About 38,860 people live in Monrovia, California, in 14,487 households of 2.7 people on average. The median age is 37.4, close to the U.S. median of 37.3.
How densely populated is Monrovia, California?
Averaged over its land area, Monrovia, California has 2,828 people per square mile, a density typical of urban and suburban areas. That is about 33 times the U.S. average of 86.
Is Monrovia, California an affordable place to live?
The median home costs 10.1 times the median household income ($975,028 against $96,206), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,107 a month takes about 26% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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