City comparison
Arvada, CO is about 10 miles (20 km) from Thornton, CO in a straight line. By road, the drive is roughly 20 miles, or about 16 min behind the wheel at highway speeds.
Driving distance is a rough estimate (great-circle × 1.25); driving time assumes a 60 mph blended average. Real trips run 10–20% longer with stops.
A direct flight from Arvada, CO to Thornton, CO takes about 2 min, covering roughly 10 miles in a straight line. Connecting itineraries with a layover typically add 1–3 hours.
Block-to-block estimate at ~500 mph cruise, including taxi, climb, and descent — what an airline would publish, not pure airborne time.
Thornton has a population of 141,799, vs 123,066 in Arvada — about 1.2× larger by population. By land area, Arvada covers about 39 sq mi vs 37 sq mi for Thornton.
Population from US Census ACS. Land area from the Census Gazetteer (city proper, excluding inland water).
Cost indices by category, with the US city average (100) marked.
Index: 100 = US city average. Lower is more affordable.
Side-by-side costs, salaries, and sub-category indices.
| Metric | Arvada | Thornton | Difference |
|---|---|---|---|
| Median rent | $1,706/mo | $1,758/mo | 3.0% higher in Thornton |
| Median home value | $553,000 | $445,200 | 24.2% higher in Arvada |
| Median household income | $106,014 | $95,064 | 11.5% higher in Arvada |
| Groceries index | 100.2 | 101.2 | 1.0% higher in Thornton |
| Utilities index | 90.1 | 91.2 | 1.2% higher in Thornton |
| Transportation index | 100.0 | 99.9 | ≈ equal (Arvada slightly higher) |
| Healthcare index | 100.0 | 99.9 | ≈ equal (Arvada slightly higher) |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Arvada, you'd need $99,581 in Thornton to maintain your standard of living.
Climate, safety, and demographics side by side.
Thornton, CO is about 0.4% cheaper overall than Arvada, CO, based on our cost-of-living index. If you earn $80,000 in Arvada, you'd need about $79,665 in Thornton to keep the same standard of living.