Moving from Ontario, CA to Thornton, CO
The drive from Ontario, CA to Thornton, CO runs 992 mi β about 17h 25m on interstate, longer with stops. Long-range relocations typically bring real shifts in cost of living, housing prices, climate, and job market. Below, each of those layers is pulled from its source (BEA, Census, Zillow, BLS, NOAA) for a direct comparison.
992 mi Β· 17h 25m 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
| Ontario | Thornton | U.S. avg | |
|---|---|---|---|
| All items (RPP) | 106.442 | 105.782 | 100.0 |
| Rents | 148.641 | 87.856 | 100.0 |
| Goods | 101.431 | 100.957 | 100.0 |
| Services | 129.312 | 146.919 | 100.0 |
Cost-of-living overlap: BEA RPP for Ontario (106.442) and Thornton (105.782) are within a few points of each other.
Source: BEA Regional Price Parities (MSA-level Β· MSA-level); 2024.
Housing prices
Homes run dramatically cheaper in Thornton: 0.6% below Ontario on Zillow ZHVI (2026-03).
YoY change: Ontario -1.7%, Thornton -3.3%. Snapshot: 2026-03. Data provided by Zillow.
Climate
| 1991β2020 normals | Ontario | Thornton |
|---|---|---|
| Annual avg temperature | 67Β°F | 52Β°F |
| January avg low | 45Β°F | 19Β°F |
| July avg high | 94Β°F | 91Β°F |
| Annual snowfall | β | 44.8" |
| Annual precipitation | 11.6" | 14.5" |
Climate cools by 14.4Β°F on the annual average β 66.8Β°F β 52.4Β°F.
Heavy-snow city: expect 44.8 in of snowfall annually at Thornton.
Source: NOAA U.S. Climate Normals 1991β2020 (stations: ONTARIO INTL AP, CA US, NORTHGLENN, CO US).
Demographics
| ACS 5-year 2023 | Ontario | Thornton |
|---|---|---|
| Population | 178,347 | 142,878 |
| Median household income | $82,806 | $100,985 |
| Median age | 33.1 | 34.3 |
| Bachelor's degree or higher | 15.1% | 22.3% |
| Avg household size | 3.39 | 2.88 |
Income gap is large: median household income climbs 0.6% between Ontario and Thornton (ACS 2023).
Source: U.S. Census Bureau, ACS 5-year 2023.
Jobs & wages
Top occupations in Thornton MSA
| Occupation | Employment | Median wage |
|---|---|---|
| Office and Administrative Support Occupations | 173,910 | $49,000 |
| Sales and Related Occupations | 172,890 | $48,280 |
| Business and Financial Operations Occupations | 164,250 | $84,370 |
| Food Preparation and Serving Related Occupations | 140,150 | $36,010 |
| Transportation and Material Moving Occupations | 129,510 | $45,350 |
Source: BLS Occupational Employment and Wage Statistics.
Moving between California and Colorado
State income-tax top marginal rates are from the Tax Foundation, updated annually. Check Colorado'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
- Winter gear first: Thornton averages 44.8 in of snow per year on NOAA normals β pack a heavy coat, boots, and consider snow tires or chains before the first storm.
- Air conditioning matters: July highs in Thornton average 91Β°F on NOAA normals. If the new place has window-unit or no AC, plan that purchase for the first week.
- Dry climate: Thornton sees only 14.5 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 colder climate (14.4Β°F lower annual average). Thermal layers, insulated boots, and a heavier winter coat should ride in the car, not the truck.
- 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 Colorado after establishing residency.
Frequently asked
How far is Thornton, CO from Ontario, CA?
The driving distance is 992 mi and the route typically takes 17h 25m via I 70 and I 15. The trip crosses 5 state(s). Actual time varies with traffic and season.
How much do homes cost in Thornton compared to Ontario?
Zillow ZHVI (2026-03) puts the typical home value at $502,945 in Thornton vs $672,742 in Ontario β a 25.2% lower figure. Data provided by Zillow Research.
How does household income compare in Ontario vs Thornton?
Median household income on the Census ACS 5-year (2023) is $100,985 in Thornton vs $82,806 in Ontario β a 22.0% higher figure. Compare this against the cost-of-living gap above when budgeting.
How does the job market in Thornton compare to Ontario?
BLS Occupational Employment and Wage Statistics show median wages of $58,490 in the Thornton MSA vs $47,450 in the Ontario MSA, on total employment of 1,590,330 and 1,661,860 respectively. Top occupations on the destination side appear in the Jobs & wages section above.
Is Thornton more expensive than Ontario?
Based on BEA Regional Price Parities (2024), overall price level in Thornton is 0.6% lower than Ontario (105.782 vs 106.442, U.S. average = 100). Rent and services typically carry most of this gap.
When is the best time to move from Ontario to Thornton?
Moving companies usually charge 20β30% less between October and April (off-peak). Memorial Day through Labor Day is peak pricing. For a 992 mi drive, weather on the route matters too β see the timing section above for state-specific winter warnings.
Plan the move
Estimate costs with our moving cost calculator, or see where else to move from Ontario.
City profiles: Ontario, CA Β· Thornton, CO.