Arlington is 47% more expensive than Thornton.
When comparing Arlington, VA and Thornton, CO, the overall cost of living indices are 203 and 138 respectively (national median = 100). Rent is $465/month cheaper in Thornton, saving renters about $5,580/year.
Median household income is $39,175/year higher in Arlington. Home values also differ significantly — the median in Arlington is $864,800 compared to $482,200 in Thornton.
Colorado has a lower income tax rate, making Thornton slightly more tax-friendly.
Arlington vs Thornton — common questions
Other cost of living comparisons for Arlington and Thornton