County ZIP codes · Missouri · FIPS 29039
Cedar County, MO ZIP Codes
Cedar County, Missouri has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 1 for PO boxes or a single organization. 3 of the residential ones lie mainly in Cedar County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $46,516 in 65649 (Fair Play) to $53,654 in 64784 (Sheldon) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Cedar County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $46,516 and $50,086.
They carry 8 postal town names: El Dorado Springs, Stockton, Humansville, Fair Play, Dunnegan, Sheldon, Dadeville, Jerico Springs.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 8 residential ZIP codes in Cedar County
3 ZIP codes lie mainly in Cedar County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 64744 | El Dorado Springs | 8,242 | 33 | $48k | $168k | 57% |
| 65785 | Stockton | 6,002 | 27 | $50k | $175k | 90% |
| 64756 | Jerico Springs | 681 | 11 | $47k | $108k | 77% |
Partly in Cedar County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 65649 | Fair Play | 1,932 | 29 | $47k | $314k | 46% |
| 65674 | Humansville | 2,896 | 30 | $48k | $137k | 38% |
| 65640 | Dunnegan | 1,530 | 39 | $61k | $172k | 26% |
| 65635 | Dadeville | 754 | 19 | $92k | $210k | 16% |
| 64784 | Sheldon | 1,359 | 12 | $54k | $166k | 2% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
8 ZIP codes of Cedar County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Cedar | Elsewhere |
|---|---|---|
| 64744 | 57% | St. Clair County28%; Vernon County15% |
| 65785 | 90% | St. Clair County6%; Dade County3% |
| 65674 | 38% | Polk County43%; Hickory County11%; St. Clair County8% |
| 65649 | 46% | Polk County54% |
| 65640 | 26% | Polk County74% |
| 64784 | 2% | Vernon County74%; Barton County24% |
| 65635 | 16% | Dade County84% |
| 64756 | 77% | Dade County23% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 65607 | Caplinger Mills |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Cedar County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Cedar County's ZIP codes use 3 prefixes: 647, 656 and 657.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 647 | Kansas City, MO (SCF 640) | 3 | 47 |
| 656 | Springfield, MO (SCF 656) | 5 | 75 |
| 657 | Springfield, MO (SCF 656) | 1 | 75 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.