The 2010 Census figures released Tuesday revealed healthy growth for Virginia and Maryland.
However, the change was not enough for either of the states to gain another member of Congress.
Every 10 years, the 435 Congressional seats are divided among the 50 states based upon the population data drawn from the Census. State legislatures will use the figures to start drawing new congressional districts this spring.
The changing population numbers never affect the District's congressional delegation, because, by law, it does not receive a representative. As the City Paper's Mike Madden tweeted: "Census 2010 means D.C. neither gains nor loses House seats. Something about 'can't divide by zero,' I think."
The once-a-decade look at the United States' population showed the country grew by 9.7 percent since the year 2000. The Census Bureau counted 308,745,538 residents in the United States as of April 1, 2010.
Maryland, with eight Congressional districts, added 477,066 residents, up 9 percent. The total population there is now 5,773,552.
Virginia was the biggest grower in the region, adding 922,509 residents. That was a 13 percent increase over the past 10 years. Virginia's population has now grown by double-digits for three decades running.
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In the District, 601,723 residents were counted, an increase of 5.2 percent over 10 years ago.
Texas added the biggest number of residents, swelling to a population of 25,145,561. California is still the biggest state in the Union with 37,253,956 people.
Only Michigan and Puerto Rico decreased in population.
