Eureka, SD ZIP Codes
One ZIP code serves Eureka, South Dakota: 57437. Together they are home to 1,074 residents in 556 households. That is more than the 778 people counted inside Eureka city limits, because these ZIP codes reach past its boundary.
Eureka city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 778 |
| Households | 400 |
| Median household income | $47,583 |
| Median home value | $78,200 |
| Median age | 63.1 |
| Median rent | $557 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,074 |
| Households (sum of ZIP codes) | 556 |
| Median household income, range across ZIP codes | $49,276 (57437) to $49,276 (57437) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $49,276 |
| Homeowners | 81.7% |
| Households with kids under 18 | 18.2% |
| Moved in the past year | 5.0% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Eureka
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57437 | Eureka | 1,074 | 556 | $49,276 | $86,700 | 81.7% | 18.2% | 5.0% | — | — | 0% of its land; mailing city |
A ZIP code is listed for Eureka when at least 10% of its land lies inside Eureka city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Eureka. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Eureka.
Counties
- McPherson County — 7 ZIP codes
Price a mailing to Eureka ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Eureka, SD?
- 57437. A ZIP code is listed for Eureka when at least 10% of its land lies inside Eureka city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Eureka.
- What is the population of Eureka, SD?
- The Census Bureau counts 778 residents inside Eureka city limits (ACS 2020–2024). The 1 ZIP code that serve Eureka hold 1,074 residents in all.
- What is the median household income in Eureka, SD?
- $47,583 inside Eureka city limits, per the Census Bureau. Across its ZIP codes the medians run from $49,276 to $49,276.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.