Rocklin vs Simi Valley
The short version
- Rocklin is cheaper overall: prices in its metro run 3% lower than in the Simi Valley area (BEA 2024).
- The median home costs $703,400 in Rocklin and $823,800 in Simi Valley.
- Simi Valley has the warmer winter: January highs of 70°F vs 57°F.
- Simi Valley has more scorching days: 115 a year at 90°F or hotter vs 90.
- Rocklin is growing faster: +7.3% since 2020 vs -1.2%.
Side by side
| Rocklin, CA | Simi Valley, CA | |
|---|---|---|
| People | ||
| Population (2025) | 76,821 | 124,861 |
| Growth since 2020 | +7.3% | -1.2% |
| People per square mile | 3,872 | 3,005 |
| Median age | 38.4 | 41.9 |
| Bachelor's degree or higher | 48% | 39% |
| Money and housing | ||
| Median household income | $124,168 | $122,081 |
| Median home value | $703,400 | $823,800 |
| Home value to income | 5.7× | 6.7× |
| Median rent (with utilities) | $2,258 | $2,579 |
| Metro price level (US = 100) | 106.7 | 110.5 |
| Housing price level (US = 100) | 130.2 | 171.1 |
| $75,000 elsewhere equals | $80,000 | $82,900 |
| Homeowners | 68% | 73% |
| Top state income tax | 13.3% | 13.3% |
| Combined sales tax | 9.03% | 9.03% |
| Work and commute | ||
| Average commute (minutes) | 26.1 | 27.1 |
| Work from home | 24% | 19% |
| Take public transit | 1% | 0% |
| Unemployment (2020-24 avg) | 4.5% | 5% |
| Poverty rate | 5.6% | 6.4% |
| Weather | ||
| January high / low | 57° / 41° | 70° / 43° |
| July high / low | 94° / 61° | 95° / 61° |
| Precipitation per year | 19 in | 16 in |
| Snowfall per year | 0 in | 0 in |
| Days 90°F or hotter | 90 | 115 |
| Nights below freezing | 4 | 11 |
| Comfortable months | 6 | 7 |
| Risks, air and home prices | ||
| Natural hazard risk (FEMA, county) | Relatively Moderate | Relatively High |
| FEMA risk score (lower is safer) | 93.1 | 99.4 |
| Good air days, 2025 | 35% | 52% |
| Home prices, past year | +0.1% | -1.3% |
| Home prices, past 5 years | +19.9% | +28.7% |
Highlighted cells are the better value where "better" is clear (lower prices, higher income, shorter commutes). Sources: Census Bureau 2025 estimates and ACS 2020-2024, BEA 2024, NOAA 1991-2020, Tax Foundation 2026.
Weather, month by month
Most comfortable months: Rocklin: February to May and October to November. Simi Valley: October to January and March to May.
Full monthly tables: Rocklin weather by month and Simi Valley weather by month.
What $75,000 is worth
A $75,000 salary in an average-priced US city buys about the same as $80,000 in Rocklin and $82,900 in Simi Valley. Moving from Rocklin to Simi Valley, you would need about $77,700 to match a $75,000 salary.
Moving between Rocklin and Simi Valley
IRS county-to-county migration, 2022 to 2023 tax years, for the counties that contain each city. See where else people move from Rocklin and Simi Valley.
Which would you pick?
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