Low-cost steps we can take to stop the surge in pedestrian deaths
December 20, 2025
I build visual journalism that tracks decisions and maps power, shaped by a decade across copy editing, research, photo and design and refined through reporting and building data-driven stories at The Washington Post.
Mapping where the redistricting fight stands and where it’s headed
August 4, 2025
Where each D.C. Council member stands on the Commanders RFK stadium deal
June 26, 2025
Trump’s first 100 days, in 10 charts
April 29, 2025
Meet the top donors to Trump’s $239 million inauguration fund
April 24, 2025
How senators voted on Trump’s Cabinet picks
January 29, 2025
Jimmy Carter’s journey home: Mapping the funeral plans for the coming days
January 1, 2025
How people cast their vote in each state, and how it’s changing
October 16, 2024
Trump’s Cabinet was in flux. Biden’s has barely changed.
April 8, 2024
These vote count stories show clearly how each legislative body and individual representative cast decisive votes, holding members of Congress accountable in real time or soon after the action happens.
House
How every House member voted to release the Epstein files
November 18, 2025
How every House member voted on the bill to reopen the government
November 13, 2025
How every House member voted on Trump’s big tax bill
July 3, 2025
How every House member voted on Trump’s big budget bill
May 22, 2025
How every House member voted on the ‘big, beautiful’ budget bill
April 10, 2025
How every House member voted on the Laken Riley Act
January 7, 2025
Senate
How every senator voted on the bill to reopen the government
November 11, 2025
How every senator voted on the bill to avert a government shutdown
October 1, 2025
How senators voted on the rescissions bill
July 17, 2025
How every senator voted on the reconciliation bill
July 1, 2025
How senators voted on a bill to avert a government shutdown
March 14, 2025
How every senator voted on RFK Jr. for health secretary
February 13, 2025
Photography
About & Contact
Nick Mourtoupalas is a data visualization journalist based in Washington, D.C., and a native of the D.C. metropolitan area.
With a background in economics and data analytics, he reports on political power, public policy and economic systems, translating complex institutional data into structured visual coverage. His work spans congressional votes, federal spending, elections, courts and markets, building live trackers, recurring databases and durable tools used during breaking news and long-running coverage. He combines reporting judgment, quantitative analysis, cartography and front-end development to make government systems understandable and measurable.
In addition to his reporting, Nick shoots film photography, documenting cities, landscapes and everyday life with the same attention to structure and composition that informs his journalism. Outside of work, he enjoys seeing live music, exploring Washington, running, traveling and spending time with the people closest to him.
