King County Ranks Ninth Nationally for Household Income

Significant disparities exist between different communities in the county

Published on Feb. 11, 2026

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According to the latest U.S. Census Bureau data, King County ranked 9th among the 50 largest counties nationwide in terms of median household income in 2024, with a median of $122,080. However, the data also shows significant income disparities between different communities within the county.

Why it matters

The high overall household income ranking for King County masks the economic inequality that exists, with some communities experiencing much higher incomes than others. This highlights the need to address these disparities and ensure more equitable economic opportunities across the region.

The details

The median household income in King County in 2024 was $122,080, slightly higher than the $118,800 median for the city of Seattle. But the data reveals stark differences in incomes between different neighborhoods and communities within the county.

  • The latest U.S. Census Bureau data is from 2024.

The players

King County

The county that includes the city of Seattle and surrounding areas in Washington state.

U.S. Census Bureau

The federal agency responsible for collecting and publishing demographic and economic data for the United States.

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The takeaway

While King County's high ranking for household income suggests overall economic prosperity, the data also highlights the need to address significant income disparities between different communities within the county to ensure more equitable economic opportunities for all residents.