Ralls County, MO ZIP codes
Ralls County, MO has 4 ZIP codes, in 4 towns: 63459, 63462, 63436 and 63467. 3 more cross into it from neighbouring counties: 63401, 63456 and 63382.
The county seat is New London.
- ZIP codes
- 4
- Partly in it
- 3 more
- Towns
- 4
- County seat
- New London
- County FIPS
29173- State
- Missouri
- Population
- 10,428
- Median household income
- $65,388
- Land area
- 470 sq mi
- Metro area
- Hannibal
Ralls County ZIP codes by town
- New London (county seat)
- 63459
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 Ralls County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Ralls County.
- 63382 Vandalia · mostly in Audrain County
- 63401 Hannibal · mostly in Marion County
- 63456 Monroe City · mostly in Marion County
Map of Ralls County ZIP codes
The ZIP codes of Ralls 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.
Ralls County in numbers
About 10,428 people live in Ralls County, in 3,970 households, the 84th most populous of Missouri's 115 counties. The median household income is $65,388 a year, 8% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $168,200 (27% below the Missouri median), and median gross rent is $749 a month. The median age is 45.9; 17.0% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 22 minutes.
| Population | 10,428 |
|---|---|
| Households | 3,970 |
| Median age | 45.9 |
| Median household income | $65,388 |
| Median home value | $168,200 |
| Median gross rent | $749 |
| Bachelor's degree or higher | 17.0% |
| Mean commute | 22.2 min |
| Population density | 22 / 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 Ralls County
| Town | ZIP codes | Population |
|---|---|---|
| New London | 1 | 1,130 |
| Perry | 1 | 640 |
| Center | 1 | 537 |
| Saverton | 1 | 60 |
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 Ralls County.
Not sure you are in Ralls County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Ralls County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63436 | Center , MO | Standard | 1,199 | $56,808 | $175,500 |
63459 | New London , MO | Standard | 4,423 | $67,778 | $171,300 |
63462 | Perry , MO | Standard | 1,335 | $51,205 | $156,700 |
63467 | Saverton , MO | Standard | 19 | — | — |
Cite this page
zipcodes.pro. “Ralls County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/ralls
Underlying data is public domain or openly licensed — sources, vintages and licences.