# Tax Preparation in Northbrook, IL

- Credentialed preparers: 417 (214 CPAs, 32 EAs, 43 attorneys)
- Population: 33,663 · 123.9 preparers per 10k residents
- Returns filed: 22,140 · Avg AGI: $228,701
- Avg refund: $6,598 (49% of returns)
- Self-employment share: 21.0% · Paid-preparer share: 68%

Source: IRS PTIN + SOI public data. taxprepservicehq.com/illinois/northbrook/