Your standard deduction lowers your taxable income. It is not a refund.
2019 Standard Deduction Amounts
Single $12,200 (+ $1650 65 or older)
Married Filing Separate $12,200 (+ $1300 if 65 or older)
Married Filing Jointly $24,400 (+ $1300 for each spouse 65 or older)
Head of Household $18,350 (+ $1650 for 65 or older)
Look on line 9 of your 2019 Form 1040 to see your itemized/standard deduction amount