On average, the monthly SSDI payment in October 2020 was $1,438.04, and it ranged from $800 to $1,800. (source) However, it's important to note that disability benefits can vary greatly depending on the average lifetime earnings of the applicant prior to the disability. The final monthly payment can also fluctuate depending on your application and whether you are receiving additional forms of compensation such as SSI or workers' compensation, which is why it's important to seek help from a professional disability attorney.