Storm Lake, IA micro area ZIP codes
The Storm Lake, IA micropolitan statistical area (CBSA 44740) covers 1 county in Iowa and 8 ZIP codes.
- ZIP codes
- 8
- Population
- 20,568
- Avg. median income
- $71,300population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Storm Lake, IA area
ZIP codes in the Storm Lake, IA area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 50510 | Albert City | Buena Vista County | 1,042 | $76,397 | $152,800 |
| 50565 | Marathon | Buena Vista County | 380 | $51,875 | $107,900 |
| 50568 | Newell | Buena Vista County | 1,384 | $75,250 | $166,700 |
| 50576 | Rembrandt | Buena Vista County | 277 | $67,500 | $150,200 |
| 50585 | Sioux Rapids | Buena Vista County | 1,080 | $71,346 | $171,100 |
| 50588 | Storm Lake | Buena Vista County | 13,431 | $70,906 | $193,700 |
| 50592 | Truesdale | Buena Vista County | 187 | $100,076 | $35,800 |
| 51002 | Alta | Buena Vista County | 2,787 | $70,625 | $209,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Storm Lake, IA micro area?
8 ZIP codes, based on each ZIP code's main county.
Which counties make up the Storm Lake, IA area?
Buena Vista County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).