Thornton is 9% cheaper than Arvada.
When comparing Thornton, CO and Arvada, CO, the overall cost of living indices are 138 and 152 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $12,411/year higher in Arvada. Home values also differ significantly — the median in Thornton is $482,200 compared to $600,800 in Arvada.
Both cities share the same state tax structure since they are in Colorado.
Thornton vs Arvada — common questions
Other cost of living comparisons for Thornton and Arvada