Simi Valley, California Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Simi Valley, 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 | Simi Valley | California Avg | U.S. Average |
|---|---|---|---|
| Population | 106,951 | 39,245,658 | 337,468,954 |
| Population density (per sq mi) | 2531.5 | 239.4 | 86.4 |
| Population growth (%/yr) | 0.49% | 0.19% | 0.59% |
| Median age | 43.9 | 35.5 | 37.3 |
| Households | 37,691 | 13,531,619 | 130,235,071 |
Population in Simi Valley grew by 8.7% from 2009 to 2024, reaching 106,951 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Simi Valley is Gen X, aged 45–60, at 23.3% of residents. That is 3.4 points above California as a whole.
- Gen Z 13–28 22,448 21.0% -0.7 pts
- Millennials 29–44 22,960 21.5% -2.2 pts
- Gen X 45–60 24,923 23.3% +3.4 pts
- Boomers 61–79 17,328 16.2% +0.9 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 50.2% of the people living in Simi Valley and men 49.8%.
- Women 50.2% California 49.9%
- Men 49.8% California 50.1%
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Economy
Simi Valley has a the economy index of B, which means it is quite prosperous.
| Metric | Simi Valley | California Avg | U.S. Average |
|---|---|---|---|
| Median household income | $117,960 | $99,161 | $80,455 |
| Income growth (%/yr) | 3.70% | 5.57% | 4.80% |
| Unemployment rate | 5.0% | 6.6% | 5.2% |
The median household income in Simi Valley is about 19% higher than in California.
Housing
| Metric | Simi Valley | California Avg | U.S. Average |
|---|---|---|---|
| Median home price | $660,641 | $650,794 | $248,835 |
| Median rent | $2,555 | $2,036 | $1,407 |
| Homeownership rate | 72.3% | 55.9% | 65.2% |
The median home price in Simi Valley is about 21.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,555 per month for that long.
Commute Time & Mobility
Commuters in Simi Valley spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 211 hours, about 8.8 full days, spent commuting.
| Metric | Simi Valley | California Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.3 | 23.5 | 22.4 |
| Round-trip commute (min) | 50.6 | 47.0 | 44.8 |
| Yearly time spent (hours) | 211 | 196 | 187 |
| Estimated yearly cost | $6,537 | $6,065 | $5,790 |
| Work from home | 18.6% | 17.2% | 15.0% |
| Highway traffic (vehicles/day) | 28,099 | 16,509 | 8,813 |
| Local road traffic (vehicles/day) | 4,041 | 2,449 | 1,355 |
The average commute time in Simi Valley is 25 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
Simi Valley has a education index of B, which means it is quite educated.
| Metric | Simi Valley | California Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 32.1% | 33.0% | 31.6% |
| Average household size | 2.86 | 2.84 | 2.53 |
Health
Simi Valley has a health index of A, which means it is very healthy.
| Metric | Simi Valley | California Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.6 | 79.6 | 78.3 |
| Self-rated poor health | 11.8% | 16.4% | 16.3% |
| Smokers | 11.7% | 13.9% | 19.0% |
Frequently Asked Questions
Common questions about Simi Valley, California.
How big is Simi Valley, California by population?
About 106,951 people live in Simi Valley, California, in 37,691 households of 2.9 people on average. The median age is 43.9, so residents are older than the U.S. median of 37.3 by about 7 years.
Is Simi Valley, California urban or rural?
Averaged over its land area, Simi Valley, California has 2,531 people per square mile, a density typical of urban and suburban areas. That is about 29 times the U.S. average of 86.
Is Simi Valley, California an affordable place to live?
The median home costs 5.6 times the median household income ($660,641 against $117,960), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,555 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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