Here’s how the Federal Reserve funds itself, including renovations, without taxpayer dollars

• The White House’s recent criticism of the Federal Reserve’s headquarters renovation project has highlighted the central bank’s sources of funding. Unlike federal departments that receive taxpayer dollars via appropriations from Congress, the Fed is self-funded, largely via interest income from government securities it holds.

The Federal Reserve’s funding has come under scrutiny as the White House attacks the $2.5 billion headquarters renovation for cost overruns.

That controversy was underscored on Thursday...