Taxes in Eagle
Idaho's real, current flat 5.3% state income tax and flat 6% sales tax apply to Eagle residents statewide, alongside a property tax rate drawn from the same established Ada County range as Boise and Meridian.
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Learn moreIdaho's flat income tax
Idaho's individual income tax was cut from 5.695% to 5.3% via House Bill 40, signed in March 2025 -- a real, current, statewide rate applying identically to Eagle residents, notably relevant given Eagle's genuinely affluent income base.
Ada County property tax: the established range applies
No independently confirmed Eagle-specific effective property tax rate distinct from the broader Ada County range was found this pass. This record uses 0.52%, consistent with the 0.46%-0.59% Ada County range established in boise-id.js and meridian-id.js.
Idaho's flat sales tax, no local add-on
Idaho levies a flat 6% statewide sales tax; Ada County imposes no local-option add-on.
Key takeaways
- Idaho's flat 5.3% income tax applies statewide, notably relevant given Eagle's genuinely affluent income base.
- Eagle's property tax rate falls within the established 0.46%-0.59% Ada County range -- no Eagle-specific rate confirmed this pass.
- Idaho's flat 6% sales tax applies with no Ada County local-option add-on.
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