If you do,

Child Tax Credit - up to $1,000 per child

It looks like your income may be too high to qualify for the Child Tax Credit, which is fully available to married couples filing jointly making up to $110,000, married couples filing separately making up to $75,000, and singles making up to $55,000. The credit phases out above those amounts. The Recovery Act expanded eligibility for the credit to additional families and increased the credit for other families. Learn more.

If you do not, 

The Recovery Act expanded eligibility for the Child Tax Credit and the Earned Income Tax Credit to additional families and increased the credit for other families. Learn more.

You cannot get the child tax credit if you do not have dependent children.

From white house