Thayer, IL ZIP code
The ZIP code for Thayer, Illinois is 62689. It is in Sangamon County.
- Population in these ZIPs
- 542
- Avg. median income
- $61,500population-weighted
- Typical home value
- $92,300population-weighted
- Metro area
- Springfield, IL
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Thayer, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62689 | 542 | $61,500 | $92,300 |
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 Thayer
Frequently asked questions
What is the ZIP code for Thayer, IL?
The ZIP code for Thayer, IL is 62689.
What county is Thayer, Illinois in?
Thayer ZIP codes are in Sangamon County.