There are three levels of governments in the US: federal, state, and local.
The following table shows current revenue for federal, state and local governments, and also
total overall revenue.
You can look at details of the data here. You can look at
deficits here and debt here. You can create custom charts
here and download data here.
You can look at the federal budget here. You can take a course in taxes here.
On March 4, 2014, the US government released parts of the Budget of the United States Government for fiscal year 2015. However the Historical Tables and other details will not be released until March 11, 2014.
usgovernmentspending.com will update budget details when the Historical Tables are published.