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Liberty Lake, WA ZIP code

The ZIP code for Liberty Lake, Washington is 99019. It is in Spokane County.

Population in these ZIPs
12,447
Avg. median income
$120,100population-weighted
Typical home value
$570,200population-weighted
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ZIP codes within 10 miles

Liberty Lake, WA ZIP code list

Liberty Lake, WA ZIP codes
ZIP codePopulationMedian incomeTypical home value
9901912,447$120,053$570,200

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Liberty Lake

Frequently asked questions

What is the ZIP code for Liberty Lake, WA?

The ZIP code for Liberty Lake, WA is 99019.

What county is Liberty Lake, Washington in?

Liberty Lake ZIP codes are in Spokane County.