{
  "publisher": "ZipNumbers",
  "license": "CC BY 4.0",
  "zip": "99204",
  "city": "Spokane",
  "state": "WA",
  "state_slug": "washington",
  "county": "Spokane County",
  "county_fips": "53063",
  "demographics": {
    "population": 7519,
    "median_household_income": 50266,
    "median_home_value": 355700,
    "median_gross_rent": 1103,
    "median_age": 32.7,
    "poverty_pct": 18.8,
    "owner_occupied_pct": 30.8,
    "vintage": "2019-2023 ACS 5-year",
    "source": "US Census Bureau, ACS 2019-2023 5-year estimates",
    "source_url": "https://www.census.gov/programs-surveys/acs"
  },
  "sales_tax": {
    "combined_rate": 9,
    "components": [
      {
        "level": "state",
        "name": "Washington state",
        "rate": 6.5
      },
      {
        "level": "county",
        "name": "Spokane County",
        "rate": 1.6
      },
      {
        "level": "city",
        "name": "City of Spokane and transit benefit district",
        "rate": 0.9
      }
    ],
    "effective_date": "2026-01-01",
    "confidence": "estimated",
    "source": "Washington State Department of Revenue",
    "source_url": "https://dor.wa.gov/taxes-rates/sales-and-use-tax-rates",
    "note": "ZIP codes are postal routes, not tax boundaries. Verify at the delivery address for filing."
  },
  "area_codes": [
    "425",
    "509"
  ],
  "pages": {
    "zip_profile": "https://zipnumbers.com/zips/washington/99204",
    "sales_tax": "https://zipnumbers.com/sales-tax/zip/99204"
  },
  "retrieved_from": "https://zipnumbers.com/api/public/zip/99204"
}