| ZIP Code | 57437 |
| City | Eureka |
| State | South Dakota (SD) |
| County | McPherson |
| Timezone | America/Chicago |
| Coordinates | 45.7836800, -99.6180000 |
| Population | 1,074 |
| ZIP Type | STANDARD |
| Country | United States |
Located in South Dakota, the United States is home to the small community of Eureka, served by ZIP code 57437. It sits within McPherson County.
Census data puts the population of this ZIP code at 1,074 residents. That's below the South Dakota average of about 2,435 people per ZIP code.
Nearby communities in South Dakota include Sioux Falls, Rapid City.
The ZIP code for Eureka, South Dakota is 57437.
57437 is located in McPherson County, South Dakota.
The population of 57437 (Eureka) is approximately 1,074 people.
57437 is less populated than the typical South Dakota ZIP code, which averages around 2,435 people.
ZIP code codes near 57437 include 57106, 57701, 57702.