Faulk County, South Dakota ZIP codes
4 ZIP codes are in Faulk County, plus 6 that cross in from neighboring counties.
- ZIP codes
- 4
- Population in these ZIPs
- 1,711
- Avg. median income
- $66,500population-weighted
- Cities & towns
- 4
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ZIP codes in Faulk County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57435 | Cresbard | 300 | $97,750 | $207,400 |
| 57438 | Faulkton | 973 | $70,673 | $134,400 |
| 57466 | Onaka | 192 | $51,172 | $38,900 |
| 57473 | Seneca | 246 | $23,750 | $177,600 |
ZIP codes partly in Faulk County
These ZIP codes are mostly in a neighboring county but cover part of Faulk County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 57424 | Ashton | Spink County | 437 | $75,000 | — |
| 57460 | Mansfield | Brown County | 257 | $139,500 | $233,900 |
| 57465 | Northville | Spink County | 438 | $120,250 | $244,400 |
| 57467 | Orient | Hand County | 410 | $59,063 | — |
| 57469 | Redfield | Spink County | 2,866 | $66,111 | $164,800 |
| 57470 | Rockham | Hand County | 242 | $108,281 | $201,400 |
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 Faulk County
Nearby counties
Frequently asked questions
How many ZIP codes are in Faulk County, South Dakota?
4 ZIP codes are mainly in Faulk County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Faulk County?
ZIP codes in Faulk County use the city names Cresbard, Faulkton, Onaka and Seneca.