# Sangamon County, IL Sales Tax Rate (2026)

Canonical: https://trykintsugi.com/sales-tax-guides/usa/illinois/sangamon-county
Published: 2026-09-01

The most common combined sales tax rate in Sangamon County, IL is 10.25% as of September 2026: 6.25% state, 1.5% county and 2.5% city. Rates across the county's 54 ZIP codes range from 7.75% to 10.25%, depending on the city and special districts. Illinois's state rate is 6.25%, so local taxes add 4% here.

| Component | Rate |
| --- | --- |
| State | 6.25% |
| County | 1.5% |
| City | 2.5% |
| Special district | 0% |
| **Combined** | **10.25%** |

Source: Kintsugi's rate table, as of September 2026. Official rates: [Illinois DOR — Sales Tax Rate](https://tax.illinois.gov/questionsandanswers/answer.139.html).

## Sales tax rates by place in Sangamon County

| Place | Combined rate | ZIP codes |
| --- | --- | --- |
| Springfield | 10.25% | 35 |
| Auburn | 7.75% | 1 |
| Buffalo | 7.75% | 1 |
| Cantrall | 7.75% | 1 |
| Chatham | 10.25% | 1 |
| Dawson | 7.75% | 1 |
| Divernon | 8.75% | 1 |
| Glenarm | 10.25% | 1 |
| Illiopolis | 7.75% | 1 |
| Loami | 7.75% | 1 |
| Lowder | 7.75% | 1 |
| Mechanicsburg | 7.75% | 1 |
| New Berlin | 7.75% | 1 |
| Pawnee | 7.75% | 1 |
| Pleasant Plains | 8.75% | 1 |
| Riverton | 7.75% | 1 |
| Rochester | 7.75% | 1 |
| Sherman | 9.25% | 1 |
| Thayer | 7.75% | 1 |
| Williamsville | 9.25% | 1 |

## Sangamon County sales tax rates by ZIP code

| ZIP | Combined rate |
| --- | --- |
| 62515 | 7.75% |
| 62520 | 7.75% |
| 62530 | 8.75% |
| 62536 | 10.25% |
| 62539 | 7.75% |
| 62545 | 7.75% |
| 62558 | 7.75% |
| 62561 | 7.75% |
| 62563 | 7.75% |
| 62615 | 7.75% |
| 62625 | 7.75% |
| 62629 | 10.25% |
| 62661 | 7.75% |
| 62662 | 7.75% |
| 62670 | 7.75% |
| 62677 | 8.75% |
| 62684 | 9.25% |
| 62689 | 7.75% |
| 62693 | 9.25% |
| 62701 | 10.25% |
| 62702 | 10.25% |
| 62703 | 10.25% |
| 62704 | 10.25% |
| 62705 | 10.25% |
| 62706 | 10.25% |
| 62707 | 10.25% |
| 62708 | 10.25% |
| 62711 | 10.25% |
| 62712 | 10.25% |
| 62715 | 10.25% |
| 62716 | 7.75% |
| 62719 | 10.25% |
| 62722 | 10.25% |
| 62723 | 10.25% |
| 62726 | 10.25% |
| 62736 | 10.25% |
| 62739 | 10.25% |
| 62756 | 10.25% |
| 62757 | 10.25% |
| 62761 | 10.25% |
| 62762 | 10.25% |
| 62763 | 10.25% |
| 62764 | 10.25% |
| 62765 | 10.25% |
| 62766 | 10.25% |
| 62767 | 10.25% |
| 62769 | 10.25% |
| 62776 | 10.25% |
| 62777 | 10.25% |
| 62781 | 10.25% |
| 62786 | 10.25% |
| 62791 | 10.25% |
| 62794 | 10.25% |
| 62796 | 10.25% |

## Selling into Sangamon County: Illinois rules

- **What's taxable:** At the state level, SaaS is exempt, clothing is taxable, groceries are partly taxable and digital goods are exempt.
- **Economic nexus:** Illinois economic nexus is triggered when your cumulative gross receipts from sales into the state reach $100,000 over the preceding 12 months. The 200-transaction test was removed effective January 1, 2026, so the dollar threshold is the only economic trigger.
- **Filing:** Illinois assigns monthly, quarterly, or annual filing based on prior-year liability. Returns (Form ST-1) are due the 20th of the month following the reporting period.

More in the [Illinois sales tax guide](/sales-tax-guides/usa/illinois).

## Frequently asked questions

### What is the sales tax rate in Sangamon County, IL?

The most common combined sales tax rate in Sangamon County, IL is 10.25% as of September 2026: 6.25% state, 1.5% county and 2.5% city. Rates across the county's 54 ZIP codes range from 7.75% to 10.25%, depending on the city and special districts. Illinois's state rate is 6.25%, so local taxes add 4% here.

### Why do sales tax rates differ within Sangamon County?

Local sales taxes follow city and district boundaries, and ZIP codes don't. Of the 54 ZIP codes in Sangamon County, 34 carry 10.25% and the rest range from 7.75% to 10.25%, usually because the ZIP lies in a city or special taxing district with its own tax. Always rate a sale by the delivery address, not the county or ZIP alone.

### Which places in Sangamon County have their own sales tax?

11 of the 20 places in Sangamon County levy a city sales tax on top of the state and county rates. The highest combined rates are in Springfield (10.25%), Chatham (10.25%), Glenarm (10.25%), Sherman (9.25%) and Williamsville (9.25%).

### Do I need to collect Sangamon County sales tax if I'm based out of state?

Only once you have nexus in Illinois. Illinois economic nexus is triggered when your cumulative gross receipts from sales into the state reach $100,000 over the preceding 12 months. The 200-transaction test was removed effective January 1, 2026, so the dollar threshold is the only economic trigger. After you register, you collect Illinois sales tax on taxable sales delivered to Sangamon County.

### What does Illinois tax?

At the state level, SaaS is exempt, clothing is taxable, groceries are partly taxable and digital goods are exempt. The Illinois sales tax guide covers exemptions and local exceptions.