Jefferson County, Illinois ZIP codes
13 ZIP codes are in Jefferson County, plus 5 that cross in from neighboring counties. It's part of the Mount Vernon, IL micro area.
- ZIP codes
- 13
- Population in these ZIPs
- 36,570
- Avg. median income
- $62,800population-weighted
- Cities & towns
- 13
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Jefferson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 62810 | Belle Rive | 1,188 | $57,969 | $117,700 |
| 62814 | Bluford | 1,668 | $59,462 | $121,300 |
| 62816 | Bonnie | 1,133 | $53,036 | $86,600 |
| 62830 | Dix | 1,416 | $62,400 | $137,500 |
| 62846 | Ina | 1,798 | $65,500 | $103,300 |
| 62864 | Mount Vernon | 22,779 | $60,451 | $137,900 |
| 62866 PO Box | Nason | — | — | — |
| 62872 | Opdyke | 1,153 | $62,344 | $87,700 |
| 62883 | Scheller | 693 | $104,808 | $208,800 |
| 62889 | Texico | 1,066 | $70,364 | $143,800 |
| 62893 | Walnut Hill | 926 | $59,063 | $190,800 |
| 62894 | Waltonville | 782 | $83,563 | $121,900 |
| 62898 | Woodlawn | 1,968 | $74,297 | $158,800 |
ZIP codes partly in Jefferson County
These ZIP codes are mostly in a neighboring county but cover part of Jefferson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 62801 | Centralia | Marion County | 19,827 | $52,017 | $106,200 |
| 62808 | Ashley | Washington County | 1,602 | $69,015 | $146,700 |
| 62836 | Ewing | Franklin County | 891 | $73,281 | $170,600 |
| 62851 | Keenes | Wayne County | 371 | $96,728 | $94,500 |
| 62877 | Richview | Washington County | 437 | $83,958 | $145,100 |
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 and towns in Jefferson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Jefferson County, Illinois?
13 ZIP codes are mainly in Jefferson County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Jefferson County?
ZIP codes in Jefferson County use the city names Belle Rive, Bluford, Bonnie, Dix, Ina, Mount Vernon, Nason, Opdyke, Scheller, Texico, Walnut Hill and Waltonville and others.
What metro area is Jefferson County in?
Jefferson County is part of the Mount Vernon, IL micropolitan statistical area.