Internal Revenue Service Form 1040 Statistics

Summary:

The IRS publishes state, county, and zip code level summaries of personal income tax returns, including data on the number of filers claiming education tax benefits and the amounts claimed, disaggregated by adjusted gross income (AGI).

Overview link:

https://www.irs.gov/statistics/soi-tax-stats-individual-income-tax-return-form-1040-statistics

Data link:

Under Data by Geographic Areas select county, state or zip code level data.

Best for:

Understanding how tax benefits are distributed across income levels and/or geographic areas.

Not as good for:

Disaggregating by institutional or student characteristics.