Are potatoes high in potassium?
Potatoes can contribute useful potassium, but the exact label depends on serving size. Use the table on this page to compare your portion against the 4,700 mg Daily Value.
Potassium in Potatoes
Potatoes are one of the most practical potassium foods because common portions deliver meaningful amounts without special prep.
Quick answer
Potatoes contain about 926 mg potassium per 1 medium potato (173g). That is about 19.7% of Daily Value.
Per serving
926 mg
1 medium potato (173g)
Per 100g
535 mg
% Daily Value
19.7%
- Potato, boiled, flesh, no salt: about 379 mg per 100g.
Potassium by serving size
| Serving | Potassium (mg) | %DV |
|---|---|---|
| 1 medium potato (173g) | 926 mg | 19.7% |
| 200g potato | 1,070 mg | 22.8% |
| 300g potato | 1,605 mg | 34.1% |
Keeping the skin on usually preserves more potassium and makes the serving more filling.
Compare with related foods
| Food | Serving | Potassium (mg) | %DV |
|---|---|---|---|
| Sweet Potatoes | 1 medium sweet potato (130g) | 618 mg | 13.1% |
| Broccoli | 1 cup chopped (91g) | 288 mg | 6.1% |
| Spinach | 1 cup raw (30g) | 167 mg | 3.6% |
Related potassium links
FAQ
How much potassium is in 1 medium potato (173g) of potatoes?
Use the serving rows above for the exact estimate. Potassium values come from USDA FoodData Central and are shown as milligrams plus percent Daily Value.
How many mg of potassium are in potatoes?
There is no single number for every situation. Potassium changes with portion size and preparation style, which is why this page shows per 100g and common serving options.
Does preparation change potassium in potatoes?
Yes. Cooking method, water loss, and product differences can shift potassium values. Keep preparation consistent when you compare meals over time.
Data source
Potassium values on this page are based on USDA FoodData Central entries and shown as educational estimates. Real values vary with preparation, brand, and exact portion size.
Disclaimer
Educational nutrition information only. Not medical advice or treatment guidance. If you need personal guidance, especially for kidney-related restrictions, review nutrition decisions with a licensed clinician.
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