<P> Federal law requires the Clerk of the House of Representatives to notify each state government of its entitled number of seats no later than January 25 of the year immediately following the census . After seats have been reapportioned , each state determines the boundaries of congressional districts -- geographical areas within the state of approximately equal population -- in a process called redistricting . Any citizen of the State can challenge the constitutionality of the redistricting in their US district court . </P>
<P> Federal law requires the Clerk of the House of Representatives to notify each state government of its entitled number of seats no later than January 25 of the year immediately following the census . After seats have been reapportioned , each state determines the boundaries of congressional districts -- geographical areas within the state of approximately equal population -- in a process called redistricting . Any citizen of the State can challenge the constitutionality of the redistricting in their US district court . </P>
when is the number of congressional districts per state determined
when is the number of congressional districts per state determined
no later than January 25 of the year immediately following the census
no later than January 25 of the year immediately following the census