Congressional Apportionment Calculator

A simple, interactive implementation of the algorithm used for congressional apportionment.

The table below is fully editable. Add or remove states, explore previous census results, and/or change the number of seats to apportion. Populations for existing states are also editable, and states can be deleted.

2020 Rank State Population (editable) Apportionment Change From Last Edit Change From 2020 Census