Moving from Boulder, CO to Simi Valley, CA
Relocating 1045 mi from Boulder to Simi Valley is a 18h 49m drive through 5 state(s). At long-haul distance the move touches nearly every household line item — rent or mortgage, utilities, tax withholding, climate load. This page sets the two cities side by side on each data layer.
1045 mi · 18h 49m by car · CA → NV → AZ → UT → CO
Distance & route
| Route through | CA → NV → AZ → UT → CO |
|---|---|
| Primary highways | I 70, I 15, CA 18 |
| Major cities en route | Oxnard, Thousand Oaks, San Buenaventura, Los Angeles, Glendale |
Route via OSRM driving profile. Actual time varies with traffic and season.
Cost of living
| Boulder | Simi Valley | U.S. avg | |
|---|---|---|---|
| All items (RPP) | 105.202 | 110.534 | 100.0 |
| Rents | 82.741 | 152.925 | 100.0 |
| Goods | 96.052 | 105.168 | 100.0 |
| Services | 157.02 | 171.096 | 100.0 |
Expect roughly 5.1% higher cost of living — rent and services usually drive most of a gap this size.
Source: BEA Regional Price Parities (MSA-level · MSA-level); 2024.
Housing prices
Expect around 5.1% lower home prices per Zillow ZHVI (2026-03).
YoY change: Boulder -2.0%, Simi Valley -2.5%. Snapshot: 2026-03. Data provided by Zillow.
Climate
| 1991–2020 normals | Boulder | Simi Valley |
|---|---|---|
| Annual avg temperature | 52°F | 66°F |
| January avg low | 22°F | 43°F |
| July avg high | 88°F | 95°F |
| Annual snowfall | 92.8" | 0.0" |
| Annual precipitation | 21.2" | 16.4" |
Expect 14.8°F warmer year-round on the NOAA 1991–2020 normals.
Simi Valley gets essentially no annual snowfall on the NOAA 1991–2020 normals — winter gear can largely stay in storage.
Source: NOAA U.S. Climate Normals 1991–2020 (stations: BOULDER, CO US, WOODLAND HILLS PIERCE COLLEGE, CA US).
Demographics
| ACS 5-year 2023 | Boulder | Simi Valley |
|---|---|---|
| Population | 106,274 | 125,769 |
| Median household income | $85,364 | $117,703 |
| Median age | 28.8 | 41.8 |
| Bachelor's degree or higher | 36.9% | 24.9% |
| Avg household size | 2.42 | 2.84 |
Expect median household income to rise 5.1% — $85,364 → $117,703 per ACS 5-year estimates (2023).
Source: U.S. Census Bureau, ACS 5-year 2023.
Jobs & wages
Top occupations in Simi Valley MSA
| Occupation | Employment | Median wage |
|---|---|---|
| Office and Administrative Support Occupations | 35,690 | $47,840 |
| Food Preparation and Serving Related Occupations | 33,940 | $34,820 |
| Sales and Related Occupations | 29,050 | $37,470 |
| Transportation and Material Moving Occupations | 23,520 | $39,670 |
| Management Occupations | 20,990 | $124,680 |
Source: BLS Occupational Employment and Wage Statistics.
Moving between Colorado and California
State income-tax top marginal rates are from the Tax Foundation, updated annually. Check California's DMV for the current deadline to transfer driver license and vehicle registration after establishing residency. Consult a tax professional for your specific filing situation — state tax treatment depends on residency, sourcing, and reciprocity agreements.
Best time to move
Moving companies typically charge 20–30% more between Memorial Day and Labor Day (peak season). October through April offers the lowest rates and better mover availability.
To avoid mid-semester school transfers, most U.S. families schedule moves between mid-June and mid-August. Public school calendars typically run late August or early September through late May or early June.
Winter driving along this route
- Donner Pass (I-80) and Tejon Pass (I-5 Grapevine) see chain requirements and occasional closures December through March.
- I-80 east of Reno and US-50 across the Sierra can require chains in winter storms.
- I-17 and I-40 through the Flagstaff area can see winter closures; the rest of Arizona is generally clear year-round.
- I-80 through Parleys Canyon and I-70 through the San Rafael Swell see winter closures; I-15 north of Salt Lake can slow in storms.
- Mountain passes on I-70 west of Denver and on I-25 near Raton can close for snow November through April — check CDOT alerts before departure.
State DOT 511 phone or web services provide real-time road conditions year-round.
Packing & arrival checklist
- Air conditioning matters: July highs in Simi Valley average 95°F on NOAA normals. If the new place has window-unit or no AC, plan that purchase for the first week.
- You are moving to a noticeably warmer climate (14.8°F higher annual average). Keep summer clothing accessible and consider donating or storing heavy winter gear.
- Wildfire season in California typically peaks July through October — register for county emergency alerts during unpack.
- Arrange utility connection (power, internet, gas, water) two weeks ahead of move-in.
- Update mailing address with USPS change-of-address within the first week post-move.
- Register to vote in California after establishing residency.
Frequently asked
What is the climate difference between Boulder and Simi Valley?
On NOAA 1991–2020 normals, annual average temperature is 66.3°F in Simi Valley vs 51.5°F in Boulder (14.8°F warmer). Annual snowfall: 0.0 in vs 92.8 in. Annual precipitation: 16.4 in vs 21.2 in.
How does the job market in Simi Valley compare to Boulder?
BLS Occupational Employment and Wage Statistics show median wages of $48,380 in the Simi Valley MSA vs $64,750 in the Boulder MSA, on total employment of 315,720 and 194,440 respectively. Top occupations on the destination side appear in the Jobs & wages section above.
How does household income compare in Boulder vs Simi Valley?
Median household income on the Census ACS 5-year (2023) is $117,703 in Simi Valley vs $85,364 in Boulder — a 37.9% higher figure. Compare this against the cost-of-living gap above when budgeting.
When is the best time to move from Boulder to Simi Valley?
Moving companies usually charge 20–30% less between October and April (off-peak). Memorial Day through Labor Day is peak pricing. For a 1045 mi drive, weather on the route matters too — see the timing section above for state-specific winter warnings.
How far is Simi Valley, CA from Boulder, CO?
The driving distance is 1045 mi and the route typically takes 18h 49m via I 70 and I 15. The trip crosses 5 state(s). Actual time varies with traffic and season.
Is Simi Valley more expensive than Boulder?
Based on BEA Regional Price Parities (2024), overall price level in Simi Valley is 5.1% higher than Boulder (110.534 vs 105.202, U.S. average = 100). Rent and services typically carry most of this gap.
How much do homes cost in Simi Valley compared to Boulder?
Zillow ZHVI (2026-03) puts the typical home value at $844,909 in Simi Valley vs $964,531 in Boulder — a 12.4% lower figure. Data provided by Zillow Research.
Plan the move
Estimate costs with our moving cost calculator, or see where else to move from Boulder.
City profiles: Boulder, CO · Simi Valley, CA.