County ZIP codes · Missouri · FIPS 29073
Gasconade County, MO ZIP Codes
Gasconade County, Missouri has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 10 residential and 1 for PO boxes or a single organization. 5 of the residential ones lie mainly in Gasconade County and 5 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $56,964 in 65066 (Owensville) to $80,000 in 63091 (Rosebud) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Gasconade 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 $61,938 and $70,368.
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 10 residential ZIP codes in Gasconade County
5 ZIP codes lie mainly in Gasconade County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 65066 | Owensville | 6,140 | 35 | $57k | $167k | 90% |
| 65041 | Hermann | 5,626 | 24 | $70k | $249k | 71% |
| 65014 | Bland | 2,245 | 16 | $62k | $156k | 69% |
| 63091 | Rosebud | 1,449 | 28 | $80k | $216k | 80% |
| 65061 | Morrison | 681 | 13 | $56k | $125k | 52% |
Partly in Gasconade County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 65062 | Mount Sterling | 20 | 5 | – | – | 35% |
| 65453 | Cuba | 8,175 | 57 | $63k | $177k | 11% |
| 63068 | New Haven | 6,202 | 68 | $80k | $226k | 4% |
| 63014 | Berger | 426 | 11 | $62k | $149k | 2% |
| 63037 | Gerald | 2,970 | 37 | $50k | $178k | 1% |
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?
10 ZIP codes of Gasconade County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Gasconade | Elsewhere |
|---|---|---|
| 65453 | 11% | Crawford County89% |
| 63068 | 4% | Franklin County96% |
| 65066 | 90% | Crawford County10% |
| 65041 | 71% | Montgomery County18%; Warren County11% |
| 63037 | 1% | Franklin County99% |
| 65014 | 69% | Osage County27%; Maries County3% |
| 63091 | 80% | Franklin County20% |
| 65061 | 52% | Osage County48% |
| 63014 | 2% | Franklin County98% |
| 65062 | 35% | Osage County65% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 65036 | Gasconade |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Gasconade County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Gasconade County's ZIP codes use 3 prefixes: 630, 650 and 654.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 630 | St Louis, MO (SCF 630) | 4 | 65 |
| 650 | Mid-Missouri, MO (SCF 650) | 6 | 58 |
| 654 | Springfield, MO (SCF 656) | 1 | 29 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.