Linn County, MO ZIP codes
Linn County ZIP codes by town
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 Linn County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Linn County.
- 64630 Browning · mostly in Sullivan County
Map of Linn County ZIP codes
The ZIP codes of Linn 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.
Linn County in numbers
About 11,852 people live in Linn County, in 4,801 households, the 77th most populous of Missouri's 115 counties. The median household income is $61,635 a year, 13% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $123,300 (46% below the Missouri median), and median gross rent is $620 a month. The median age is 42.1; 19.2% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 20 minutes.
| Population | 11,852 |
|---|---|
| Households | 4,801 |
| Median age | 42.1 |
| Median household income | $61,635 |
| Median home value | $123,300 |
| Median gross rent | $620 |
| Bachelor's degree or higher | 19.2% |
| Mean commute | 20.2 min |
| Population density | 19 / 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 Linn County
| Town | ZIP codes | Population |
|---|---|---|
| Brookfield | 1 | 4,144 |
| Meadville | 1 | 480 |
| Bucklin | 1 | 418 |
| Laclede | 1 | 301 |
| New Boston | 1 | 272 |
| Linneus | 1 | 167 |
| Purdin | 1 | 69 |
| Winigan | 1 | 18 |
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 Linn County.
- Adair County (6)
- Macon County (10)
- Livingston County (7)
- Grundy County (4)
- Chariton County (9)
- Sullivan County (7)
Not sure you are in Linn County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Linn County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63557 | New Boston , MO | Standard | 272 | $60,833 | $280,600 |
63566 | Winigan , MO | Standard | 72 | $97,396 | $100,000 |
64628 | Brookfield , MO | Standard | 5,661 | $59,361 | $123,500 |
64631 | Bucklin , MO | Standard | 836 | $59,917 | $110,300 |
64651 | Laclede , MO | Standard | 461 | $72,321 | $78,000 |
64653 | Linneus , MO | Standard | 431 | $54,821 | $107,800 |
64659 | Meadville , MO | Standard | 793 | $73,698 | $142,800 |
64674 | Purdin , MO | Standard | 409 | $70,000 | $116,200 |
Cite this page
zipcodes.pro. “Linn County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/linn
Underlying data is public domain or openly licensed — sources, vintages and licences.