The precise percentage of American GDP that passes through Washington DC is not explicitly detailed in the available information. However, we can gather some contextual data.

Washington DC has a gross domestic product (GDP) of approximately $146 billion. While the overall GDP of the United States was about $30 trillion in 2024, we can infer that DC's contribution is relatively small compared to the national total. To derive a rough estimate, if we take the GDP of Washington DC as a percentage of the total U.S. GDP, it would be about 0.5%.

This calculation highlights that while Washington DC plays a pivotal role in federal governance and policy, its GDP contribution as a percentage of the national economy is relatively modest. The economic activities occurring in DC, primarily related to federal spending, lobbying, and services, significantly influence the nation, but the overall GDP passing through the district remains a fraction of the total U.S. economy.

For further breakdown and data, you may check the following resources:

• U.S. Bureau of Economic Analysis on GDP by State
• Washington, DC GDP Overview

Sources

GDP by State | U.S. Bureau of Economic Analysis (BEA)What is the gross domestic product (GDP) in Washington, DC?Chart: Which States Are Contributing the Most to U.S. GDP? | StatistaAccording to Statista, the District of Columbia has a per capita GDP ...By the Numbers: Almost All U.S. States and the District of Columbia ...Mapped: GDP per Capita, by U.S. State - Visual CapitalistGDP by County, Metro, and Other Areas | U.S. Bureau of Economic ...

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