Adair County, MO ZIP codes
Adair County, MO has 6 ZIP codes, in 6 towns: 63501, 63546, 63559, 63533, 63544 and 63540. 1 more crosses into it from a neighbouring county: 63549.
The county seat is Kirksville.
- ZIP codes
- 6
- Partly in it
- 1 more
- Towns
- 6
- County seat
- Kirksville
- County FIPS
29001- State
- Missouri
- Population
- 25,301
- Median household income
- $61,536
- Land area
- 567 sq mi
- Area code
- 660
- Metro area
- Kirksville
Adair County ZIP codes by town
- Kirksville (county seat)
- 63501
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Adair County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Adair County.
- 63549 La Plata · mostly in Macon County
Map of Adair County ZIP codes
The ZIP codes of Adair County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Adair County in numbers
About 25,301 people live in Adair County, in 9,126 households, the 41st most populous of Missouri's 115 counties. The median household income is $61,536 a year, 13% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $165,700 (28% below the Missouri median), and median gross rent is $772 a month. The median age is 30.2; 35.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 15 minutes.
| Population | 25,301 |
|---|---|
| Households | 9,126 |
| Median age | 30.2 |
| Median household income | $61,536 |
| Median home value | $165,700 |
| Median gross rent | $772 |
| Bachelor's degree or higher | 35.5% |
| Mean commute | 15.3 min |
| Population density | 45 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Adair County
| Town | ZIP codes | Population |
|---|---|---|
| Kirksville | 1 | 17,563 |
| Novinger | 1 | 423 |
| Green Castle | 1 | 332 |
| Greentop | 1 | 331 |
| Brashear | 1 | 182 |
| Gibbs | 1 | 62 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Adair County.
- Macon County (10)
- Linn County (8)
- Sullivan County (7)
- Scotland County (4)
- Putnam County (5)
- Schuyler County (5)
- Knox County (8)
Not sure you are in Adair County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Adair County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63501 | Kirksville , MO | Standard | 21,218 | $60,729 | $168,200 |
63533 | Brashear , MO | Standard | 1,141 | $79,464 | $187,500 |
63540 | Gibbs , MO | Standard | 418 | $96,250 | $81,700 |
63544 | Green Castle , MO | Standard | 1,159 | $44,167 | $109,400 |
63546 | Greentop , MO | Standard | 1,340 | $72,404 | $173,600 |
63559 | Novinger , MO | Standard | 1,258 | $60,481 | $132,500 |
Cite this page
zipcodes.pro. “Adair County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/adair
Underlying data is public domain or openly licensed — sources, vintages and licences.