Moving from Westminster, CO to Ontario, CA
It is 984 mi between Westminster and Ontario β roughly 17h 15m of driving, plus rest stops and overnight, through 5 state(s). A long-haul move crosses climate zones and usually state-income-tax lines. This page assembles the federal and Zillow data into a side-by-side comparison so the differences are easy to scan.
984 mi Β· 17h 15m by car Β· CA β NV β AZ β UT β CO
Distance & route
| Route through | CA β NV β AZ β UT β CO |
|---|---|
| Primary highways | I 70, I 15, US 66 HIST |
| Major cities en route | Anaheim, Santa Ana, Irvine, Garden Grove, Corona |
Route via OSRM driving profile. Actual time varies with traffic and season.
Cost of living
| Westminster | Ontario | U.S. avg | |
|---|---|---|---|
| All items (RPP) | 105.782 | 106.442 | 100.0 |
| Rents | 87.856 | 148.641 | 100.0 |
| Goods | 100.957 | 101.431 | 100.0 |
| Services | 146.919 | 129.312 | 100.0 |
No material COL gap at the headline level β BEA RPP for both cities falls within 5% (2024).
Source: BEA Regional Price Parities (MSA-level Β· MSA-level); 2024.
Housing prices
0.6% jump on the typical home value β a meaningful shift in monthly mortgage math.
YoY change: Westminster -3.3%, Ontario -1.7%. Snapshot: 2026-03. Data provided by Zillow.
Climate
| 1991β2020 normals | Westminster | Ontario |
|---|---|---|
| Annual avg temperature | 52Β°F | 67Β°F |
| January avg low | 19Β°F | 45Β°F |
| July avg high | 91Β°F | 94Β°F |
| Annual snowfall | 44.8" | β |
| Annual precipitation | 14.5" | 11.6" |
Annual temperature rises 14.4Β°F moving to Ontario per NOAA normals.
Source: NOAA U.S. Climate Normals 1991β2020 (stations: NORTHGLENN, CO US, ONTARIO INTL AP, CA US).
Demographics
| ACS 5-year 2023 | Westminster | Ontario |
|---|---|---|
| Population | 115,546 | 178,347 |
| Median household income | $96,145 | $82,806 |
| Median age | 37.5 | 33.1 |
| Bachelor's degree or higher | 29.8% | 15.1% |
| Avg household size | 2.41 | 3.39 |
Households in Ontario earn about 0.6% less at the median β ACS 5-year 2023.
Source: U.S. Census Bureau, ACS 5-year 2023.
Jobs & wages
Top occupations in Ontario MSA
| Occupation | Employment | Median wage |
|---|---|---|
| Transportation and Material Moving Occupations | 267,890 | $47,210 |
| Office and Administrative Support Occupations | 177,100 | $47,040 |
| Food Preparation and Serving Related Occupations | 167,590 | $34,570 |
| Sales and Related Occupations | 136,950 | $36,420 |
| Healthcare Support Occupations | 115,940 | $32,240 |
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 β state tax treatment depends on residency, sourcing, and reciprocity agreements.
Best time to move
Moving companies typically charge 20β30% 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 β 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 Ontario average 94Β°F on NOAA normals. If the new place has window-unit or no AC, plan that purchase for the first week.
- Dry climate: Ontario sees only 11.6 in of precipitation a year. A humidifier helps keep wood furniture from cracking and is easier on skin and sinuses.
- You are moving to a noticeably warmer climate (14.4Β°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 β 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
Is Ontario more expensive than Westminster?
Based on BEA Regional Price Parities (2024), overall price level in Ontario is 0.6% higher than Westminster (106.442 vs 105.782, U.S. average = 100). Rent and services typically carry most of this gap.
When is the best time to move from Westminster to Ontario?
Moving companies usually charge 20β30% less between October and April (off-peak). Memorial Day through Labor Day is peak pricing. For a 984 mi drive, weather on the route matters too β see the timing section above for state-specific winter warnings.
How does household income compare in Westminster vs Ontario?
Median household income on the Census ACS 5-year (2023) is $82,806 in Ontario vs $96,145 in Westminster β a 13.9% lower figure. Compare this against the cost-of-living gap above when budgeting.
How far is Ontario, CA from Westminster, CO?
The driving distance is 984 mi and the route typically takes 17h 15m via I 70 and I 15. The trip crosses 5 state(s). Actual time varies with traffic and season.
How does the job market in Ontario compare to Westminster?
BLS Occupational Employment and Wage Statistics show median wages of $47,450 in the Ontario MSA vs $58,490 in the Westminster MSA, on total employment of 1,661,860 and 1,590,330 respectively. Top occupations on the destination side appear in the Jobs & wages section above.
How much do homes cost in Ontario compared to Westminster?
Zillow ZHVI (2026-03) puts the typical home value at $672,742 in Ontario vs $527,654 in Westminster β a 27.5% higher figure. Data provided by Zillow Research.
Plan the move
Estimate costs with our moving cost calculator, or see where else to move from Westminster.
City profiles: Westminster, CO Β· Ontario, CA.