City comparison
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 | Castle Rock | Thornton | Difference |
|---|---|---|---|
| Median rent | $1,810/mo | $1,758/mo | 3.0% higher in A |
| Median home value | $577,500 | $445,200 | 29.7% higher in A |
| Median household income | $135,985 | $95,064 | 43.0% higher in A |
| Groceries index | 101.9 | 101.9 | ≈ equal |
| Utilities index | 99.0 | 99.0 | ≈ equal |
| Transportation index | 101.0 | 101.0 | ≈ equal |
| Healthcare index | 100.8 | 100.8 | ≈ equal |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Castle Rock, you'd need $99,566 in Thornton to maintain your standard of living.
Climate, safety, and demographics side by side.
Thornton, CO is about 0.4% cheaper overall than Castle Rock, CO, based on our cost-of-living index. If you earn $80,000 in Castle Rock, you'd need about $79,653 in Thornton to keep the same standard of living.