Adair County, Missouri ZIP codes
6 ZIP codes are in Adair County, plus 3 that cross in from neighboring counties. It's part of the Kirksville, MO micro area.
- ZIP codes
- 6
- Population in these ZIPs
- 26,534
- Avg. median income
- $61,900population-weighted
- Cities & towns
- 6
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Adair County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 63501 | Kirksville | 21,218 | $60,729 | $181,600 |
| 63533 | Brashear | 1,141 | $79,464 | $237,500 |
| 63540 | Gibbs | 418 | $96,250 | $81,700 |
| 63544 | Green Castle | 1,159 | $44,167 | $218,000 |
| 63546 | Greentop | 1,340 | $72,404 | $268,500 |
| 63559 | Novinger | 1,258 | $60,481 | $189,500 |
ZIP codes partly in Adair County
These ZIP codes are mostly in a neighboring county but cover part of Adair County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 63547 | Hurdland | Knox County | 377 | $38,281 | $218,500 |
| 63549 | La Plata | Macon County | 2,344 | $59,881 | $199,300 |
| 63557 | New Boston | Linn County | 272 | $60,833 | $284,400 |
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 Adair County
Nearby counties
Frequently asked questions
How many ZIP codes are in Adair County, Missouri?
6 ZIP codes are mainly in Adair County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Adair County?
ZIP codes in Adair County use the city names Brashear, Gibbs, Green Castle, Greentop, Kirksville and Novinger.
What metro area is Adair County in?
Adair County is part of the Kirksville, MO micropolitan statistical area.