Apportionment Info and Calculators

An Introduction to Apportionment
 
Calculate apportionment using Hamilton's Method
The apportionment method suggested by Alexander Hamilton was approved by Congress in 1791, but was subsequently vetoed by president Washington - in the very first exercise of the veto power by President of the United States. Hamilton's method was adopted by the US Congress in 1852 and was in use through 1911 when it was replaced by Webster's method.
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Calculate apportionment using Jefferson's Method
The apportionment method suggested by future president Thomas Jefferson as a competitor to Hamilton's method. Jefferson's method was the first apportionment method used by the US Congress starting at 1791 through 1842 when it was replaced by Webster's method.   
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Calculate apportionment using Adam's Method
The apportionment method suggested in 1822 by former president John Quincy Adams as a remedy for the ills of Hamilton's method was never used by the US Congress.
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Calculate apportionment using Webster's Method 
Daniel Webster proposed his apportionment method in 1832.It was adopted by the Congress in 1842, and then replaced by Hamilton's in 1852. It was again adopted in 1911. Finally, it was replaced by Huntington-Hill's method in 1941.   
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Calculate apportionment using the Huntington-Hill Method
Huntington-Hill's method is the current method of seat apportionment used by the US Congress. It has been signed in law by President Roosevelt on November 15, 1941.
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Lowndes' Method  Video

Mr. Sondgeroth's Apportionment Calculator