Audrain County, Missouri ZIP codes
9 ZIP codes are in Audrain County, plus 5 that cross in from neighboring counties. It's part of the Mexico, MO micro area.
- ZIP codes
- 9
- Population in these ZIPs
- 31,144
- Avg. median income
- $62,200population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Audrain County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 63345 | Farber | 291 | $43,500 | $80,300 |
| 63352 | Laddonia | 1,018 | $54,485 | $189,300 |
| 63382 | Vandalia | 4,033 | $60,733 | $140,300 |
| 65232 | Benton City | 256 | $83,542 | $162,500 |
| 65240 | Centralia | 8,830 | $71,707 | $280,800 |
| 65264 | Martinsburg | 919 | $46,042 | $278,500 |
| 65265 | Mexico | 15,153 | $56,969 | $189,700 |
| 65280 | Rush Hill | 121 | $93,036 | — |
| 65285 | Thompson | 523 | $98,625 | $220,800 |
ZIP codes partly in Audrain County
These ZIP codes are mostly in a neighboring county but cover part of Audrain County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 63359 | Middletown | Pike County | 1,667 | $75,227 | $325,100 |
| 63384 | Wellsville | Montgomery County | 2,049 | $78,281 | $181,000 |
| 65231 | Auxvasse | Callaway County | 3,132 | $57,407 | $327,100 |
| 65243 | Clark | Randolph County | 2,950 | $68,021 | $380,900 |
| 65284 | Sturgeon | Boone County | 2,316 | $97,434 | $355,100 |
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 Audrain County
Nearby counties
Frequently asked questions
How many ZIP codes are in Audrain County, Missouri?
9 ZIP codes are mainly in Audrain County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Audrain County?
ZIP codes in Audrain County use the city names Benton City, Centralia, Farber, Laddonia, Martinsburg, Mexico, Rush Hill, Thompson and Vandalia.
What metro area is Audrain County in?
Audrain County is part of the Mexico, MO micropolitan statistical area.