Brookings County, South Dakota ZIP codes
8 ZIP codes are in Brookings County, plus 5 that cross in from neighboring counties. It's part of the Brookings, SD micro area.
- ZIP codes
- 8
- Population in these ZIPs
- 34,745
- Avg. median income
- $69,800population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Brookings County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57002 | Aurora | 1,674 | $93,214 | $302,800 |
| 57006 | Brookings | 24,192 | $66,337 | $325,800 |
| 57007 | Brookings | 2,377 | — | — |
| 57026 | Elkton | 1,531 | $80,568 | $293,900 |
| 57061 | Sinai | 215 | $56,875 | $89,300 |
| 57071 | Volga | 3,149 | $77,138 | $345,200 |
| 57220 | Bruce | 665 | $86,094 | $358,600 |
| 57276 | White | 942 | $67,639 | $354,200 |
ZIP codes partly in Brookings County
These ZIP codes are mostly in a neighboring county but cover part of Brookings County.
| ZIP code | City | State | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|---|
| 56136 | Hendricks | MN | Lincoln County | 1,203 | $68,281 | $240,000 |
| 57212 | Arlington | SD | Kingsbury County | 1,819 | $93,750 | $315,700 |
| 57213 | Astoria | SD | Deuel County | 505 | $81,932 | $207,500 |
| 57234 | Estelline | SD | Deuel County | 1,339 | $82,358 | $287,700 |
| 57268 | Toronto | SD | Deuel County | 435 | $76,250 | $235,900 |
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 Brookings County
Nearby counties
Frequently asked questions
How many ZIP codes are in Brookings County, South Dakota?
8 ZIP codes are mainly in Brookings County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Brookings County?
ZIP codes in Brookings County use the city names Aurora, Brookings, Bruce, Elkton, Sinai, Volga and White.
What metro area is Brookings County in?
Brookings County is part of the Brookings, SD micropolitan statistical area.