McCook County, South Dakota ZIP codes
6 ZIP codes are in McCook County, plus 6 that cross in from neighboring counties. It's part of the Sioux Falls, SD-MN metro area.
- ZIP codes
- 6
- Population in these ZIPs
- 5,828
- Avg. median income
- $81,900population-weighted
- Cities & towns
- 6
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in McCook County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57012 | Canistota | 1,168 | $94,375 | $304,500 |
| 57047 | Monroe | 389 | $55,417 | $68,300 |
| 57048 | Montrose | 1,237 | $84,081 | $378,600 |
| 57058 | Salem | 1,881 | $84,286 | $254,900 |
| 57319 | Bridgewater | 881 | $69,792 | $237,300 |
| 57374 | Spencer | 272 | $79,167 | $259,300 |
ZIP codes partly in McCook County
These ZIP codes are mostly in a neighboring county but cover part of McCook County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 57035 | Humboldt | Minnehaha County | 1,591 | $99,565 | $333,100 |
| 57042 | Madison | Lake County | 7,756 | $71,868 | $267,100 |
| 57043 | Marion | Turner County | 1,630 | $64,375 | $283,700 |
| 57053 | Parker | Turner County | 2,220 | $93,393 | $333,900 |
| 57321 | Canova | Miner County | 390 | $93,125 | $119,200 |
| 57332 | Emery | Hanson County | 903 | $69,583 | $160,700 |
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
Cities and towns in McCook County
Nearby counties
Frequently asked questions
How many ZIP codes are in McCook County, South Dakota?
6 ZIP codes are mainly in McCook County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in McCook County?
ZIP codes in McCook County use the city names Bridgewater, Canistota, Monroe, Montrose, Salem and Spencer.
What metro area is McCook County in?
McCook County is part of the Sioux Falls, SD-MN metropolitan statistical area.