Democrats need to pick up 26 seats to retake the House, which Miller said was a possibility given the district's Democratic presidential candidates have taken it the last two elections.

"The numbers break in our favor," said Miller. "We have 14 districts held by Republicans that President Barack ObamaBarack ObamaCotton: US policy should be regime change in Iran Chelsea Manning takes part in first Pride March Trump: Obama not leading the resistance MORE and John KerryJohn KerryFrustrated Dems say Obama botched Russia response Budowsky: Dems madder than hell Tillerson: 'My view didn’t change' on Paris climate agreement MORE both won, and 47 districts where Obama carried the election. We need 26 seats to take back the majority.

"The disclaimer, of course, is that November is a long way off," Miller warned.