# Polk County, IA Sales Tax Rate (2026)

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

The most common combined sales tax rate in Polk County, IA is 7% as of September 2026: 6% state and 1% county. Rates across the county's 74 ZIP codes range from 6% to 7%, depending on the city and special districts. Iowa's state rate is 6%, so local taxes add 1% here.

| Component | Rate |
| --- | --- |
| State | 6% |
| County | 1% |
| City | 0% |
| Special district | 0% |
| **Combined** | **7%** |

Source: Kintsugi's rate table, as of September 2026. Official rates: [Iowa DOR — Local Option Sales Tax](https://revenue.iowa.gov/taxes/tax-guidance/sales-use-excise-tax/local-option-sales-tax-lost).

## Sales tax rates by place in Polk County

| Place | Combined rate | ZIP codes |
| --- | --- | --- |
| Des Moines | 7% | 55 |
| Ankeny | 7% | 2 |
| Urbandale | 7% | 2 |
| Alleman | 7% | 1 |
| Altoona | 7% | 1 |
| Berwick | 6% | 1 |
| Bondurant | 7% | 1 |
| Clive | 7% | 1 |
| Elkhart | 7% | 1 |
| Granger | 7% | 1 |
| Grimes | 7% | 1 |
| Johnston | 7% | 1 |
| Mitchellville | 7% | 1 |
| Pleasant Hill | 7% | 1 |
| Polk City | 7% | 1 |
| Runnells | 7% | 1 |
| West Des Moines | 7% | 1 |
| Windsor Heights | 7% | 1 |

## Polk County sales tax rates by ZIP code

| ZIP | Combined rate |
| --- | --- |
| 50007 | 7% |
| 50009 | 7% |
| 50021 | 7% |
| 50023 | 7% |
| 50032 | 6% |
| 50035 | 7% |
| 50073 | 7% |
| 50109 | 7% |
| 50111 | 7% |
| 50131 | 7% |
| 50169 | 7% |
| 50226 | 7% |
| 50237 | 7% |
| 50265 | 7% |
| 50301 | 7% |
| 50302 | 7% |
| 50303 | 7% |
| 50304 | 7% |
| 50305 | 7% |
| 50306 | 7% |
| 50307 | 7% |
| 50308 | 7% |
| 50309 | 7% |
| 50310 | 7% |
| 50311 | 7% |
| 50312 | 7% |
| 50313 | 7% |
| 50314 | 7% |
| 50315 | 7% |
| 50316 | 7% |
| 50317 | 7% |
| 50318 | 7% |
| 50319 | 7% |
| 50320 | 7% |
| 50321 | 7% |
| 50322 | 7% |
| 50324 | 7% |
| 50325 | 7% |
| 50327 | 7% |
| 50328 | 7% |
| 50329 | 7% |
| 50330 | 7% |
| 50331 | 7% |
| 50332 | 7% |
| 50333 | 7% |
| 50334 | 7% |
| 50335 | 7% |
| 50336 | 7% |
| 50339 | 7% |
| 50340 | 7% |
| 50359 | 7% |
| 50360 | 7% |
| 50361 | 7% |
| 50362 | 7% |
| 50363 | 7% |
| 50364 | 7% |
| 50367 | 7% |
| 50368 | 7% |
| 50369 | 7% |
| 50380 | 7% |
| 50381 | 7% |
| 50391 | 7% |
| 50392 | 7% |
| 50393 | 7% |
| 50394 | 7% |
| 50395 | 7% |
| 50396 | 7% |
| 50398 | 7% |
| 50936 | 7% |
| 50940 | 7% |
| 50947 | 7% |
| 50950 | 7% |
| 50980 | 7% |
| 50981 | 7% |

## Selling into Polk County: Iowa rules

- **What's taxable:** At the state level, SaaS is taxable, clothing is taxable, groceries are exempt and digital goods are taxable.
- **Economic nexus:** Iowa economic nexus applies once your gross revenue from sales into the state reaches $100,000 in the current or prior calendar year, whether or not any of it was taxable. There is no transaction-count trigger.
- **Filing:** Iowa assigns monthly or annual filing based on tax volume. Returns are due the last day of the month following the reporting period.

More in the [Iowa sales tax guide](/sales-tax-guides/usa/iowa).

## Frequently asked questions

### What is the sales tax rate in Polk County, IA?

The most common combined sales tax rate in Polk County, IA is 7% as of September 2026: 6% state and 1% county. Rates across the county's 74 ZIP codes range from 6% to 7%, depending on the city and special districts. Iowa's state rate is 6%, so local taxes add 1% here.

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

Local sales taxes follow city and district boundaries, and ZIP codes don't. Of the 74 ZIP codes in Polk County, 73 carry 7% and the rest range from 6% to 7%, 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 Polk County have their own sales tax?

None of the 18 places in Polk County levies a city sales tax of its own, so the rate comes from the state and the county (1% county tax).

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

Only once you have nexus in Iowa. Iowa economic nexus applies once your gross revenue from sales into the state reaches $100,000 in the current or prior calendar year, whether or not any of it was taxable. There is no transaction-count trigger. After you register, you collect Iowa sales tax on taxable sales delivered to Polk County.

### What does Iowa tax?

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