Flanagan, IL ZIP code
The ZIP code for Flanagan, Illinois is 61740. It is in Livingston County.
- Population in these ZIPs
- 1,377
- Avg. median income
- $79,900population-weighted
- Typical home value
- $162,800population-weighted
- Metro area
- Pontiac, IL
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Flanagan, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61740 | 1,377 | $79,904 | $162,800 |
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 Flanagan
Frequently asked questions
What is the ZIP code for Flanagan, IL?
The ZIP code for Flanagan, IL is 61740.
What county is Flanagan, Illinois in?
Flanagan ZIP codes are in Livingston County.