Yes you can but the benefits may be reduced.
What if I am younger than the full retirement age?
What is the earning limit for 2019?
The limit for 2019 is $17,640.
What is considered to be the full retirement age?
Full retirement age is 66 years old for people born between 1943 and 1954.
What if I was born in 1955?
Beginning with 1955, two months are added for every birth year until the full retirement age reach 67 for people born in 1960 or later.
Am I deducted money if I am under the full retirement age for the entire year and earn over the limit?