Portland is 10% more expensive than Sparks.
When comparing Portland, OR and Sparks, NV, the overall cost of living indices are 138 and 126 respectively (national median = 100). Rent is $55/month cheaper in Portland, saving renters about $660/year.
Median household income is $1,813/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $455,900 in Sparks.
Nevada has no state income tax, giving Sparks residents a significant tax advantage over Oregon's 9.9% rate.
Portland vs Sparks — common questions
Other cost of living comparisons for Portland and Sparks