Eureka, MI ZIP Codes
2 ZIP codes serve Eureka, Michigan: 48879 and 48831. Together they are home to 21,501 residents in 8,505 households. That is more than the 88 people counted inside Eureka Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $63,299 in 48831 to $79,129 in 48879.
Eureka Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 88 |
| Households | 37 |
| Median household income | $78,750 |
| Median home value | not published |
| Median age | 39.1 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,501 |
| Households (sum of ZIP codes) | 8,505 |
| Median household income, range across ZIP codes | $63,299 (48831) to $79,129 (48879) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,659 |
| Homeowners | 82.9% |
| Households with kids under 18 | 27.4% |
| Moved in the past year | 8.8% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Top facts
- Highest median household income in Eureka: 48879 ($79,129)
- Most residents: 48879 (18,413 people)
- Highest homeownership: 48831 (87.3% own their home)
- Most households with kids: 48879 (28.2% of households)
- Most new movers: 48831 (9.7% moved in last year)
- Youngest median age: 48879 (43.7 years)
- Highest median home value: 48879 ($229,100)
Every ZIP code in Eureka
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 48879 | Saint Johns | 18,413 | 7,178 | $79,129 | $229,100 | 82.1% | 28.2% | 8.7% | — | — | 0% of its land |
| 48831 | Elsie | 3,088 | 1,327 | $63,299 | $161,300 | 87.3% | 23.1% | 9.7% | — | — | 0% of its land |
A ZIP code is listed for Eureka when at least 10% of its land lies inside the Eureka Census-designated place, 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
- Clinton County — 16 ZIP codes
Nearby cities sharing these ZIP codes
- St. Johns — 1 ZIP code
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, MI?
- 48879 and 48831. A ZIP code is listed for Eureka when at least 10% of its land lies inside the Eureka Census-designated place, 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, MI?
- The Census Bureau counts 88 residents inside Eureka Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Eureka hold 21,501 residents in all.
- What is the median household income in Eureka, MI?
- $78,750 inside Eureka Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $63,299 to $79,129.
- Which Eureka ZIP code has the highest median household income?
- 48879, at $79,129, among ZIP codes with at least 1,000 residents.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.