(CNN) Democrats continued to expand their House majority over the weekend, with several key races decided in their favor.

In California's traditionally Republican Orange County, Democrats picked up three congressional seats, meaning the entire county will be represented by Democrats in Congress.

Democrats have now a net gain of 37 seats. Three races remain to be called by CNN, with Democrats leading in two of those races. The overall balance of power in the House come January stands at Democrats with 232 seats and Republicans with 200.

Here's a snapshot of the uncalled House races:

New Mexico-2: Democrat Xochitl Torres Small leads Yvette Herrell

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