Eureka, IL ZIP code
The ZIP code for Eureka, Illinois is 61530. It is in Woodford County.
- Population in these ZIPs
- 6,470
- Avg. median income
- $68,500population-weighted
- Typical home value
- $220,000population-weighted
- Metro area
- Peoria, IL
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Eureka, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61530 | 6,470 | $68,536 | $220,000 |
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 near Eureka
- Goodfield 5 mi
- Congerville 6 mi
- Secor 6 mi
- Deer Creek 7 mi
- Roanoke 7 mi
- Washington 8 mi
- Carlock 10 mi
- Metamora 11 mi
- Morton 11 mi
- Lowpoint 12 mi
- Benson 12 mi
- El Paso 13 mi
Frequently asked questions
What is the ZIP code for Eureka, IL?
The ZIP code for Eureka, IL is 61530.
What county is Eureka, Illinois in?
Eureka ZIP codes are in Woodford County.