Washington · Population 12,435 · Updated March 2026
How far your income goes in Liberty Lake
State-level tax rates that affect your costs
Liberty Lake has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 138 (where 100 equals the national median), Liberty Lake residents can expect to pay median rent of $1,782/month while earning a median household income of $105,599/year.
The median home value in Liberty Lake, WA is $506,000, with typical monthly owner costs around $1,807 including mortgage, insurance, and taxes. The median rent-to-income ratio of 20.3% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Washington has no state income tax, which can represent significant savings compared to high-tax states. Combined with a 6.5% sales tax rate and 0.92% effective property tax rate, the overall tax environment helps keep costs manageable in Liberty Lake.
Common questions about living costs in Liberty Lake