County ZIP codes · Indiana · FIPS 18017
Cass County, IN ZIP Codes
Cass County, Indiana has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 1 for PO boxes or a single organization. 9 of the residential ones lie mainly in Cass County and 2 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $54,791 in 46947 (Logansport) to $68,218 in 46926 (Denver) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Cass 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 $56,563 and $61,579.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in Cass County
9 ZIP codes lie mainly in Cass County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 46947 | Logansport | 28,687 | 151 | $55k | $127k | 92% |
| 46932 | Galveston | 3,066 | 56 | $62k | $166k | 88% |
| 46994 | Walton | 2,132 | 37 | $57k | $136k | 100% |
| 46978 | Royal Center | 2,034 | 30 | $79k | $130k | 89% |
| 46988 | Twelve Mile | 1,086 | 41 | $45k | $166k | 96% |
| 46950 | Lucerne | 459 | 15 | $49k | $110k | 94% |
| 46967 | Onward | 199 | 2,261 | – | – | 100% |
| 46998 | Young America | 138 | 342 | – | – | 100% |
| 46961 | New Waverly | 101 | 248 | $110k | – | 100% |
Partly in Cass County
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?
7 ZIP codes of Cass County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Cass | Elsewhere |
|---|---|---|
| 46947 | 92% | Carroll County8% |
| 46970 | 8% | Miami County92% |
| 46932 | 88% | Howard County9%; Miami County2% |
| 46978 | 89% | Pulaski County5%; White County5%; Fulton County1% |
| 46926 | 4% | Miami County93%; Wabash County3% |
| 46988 | 96% | Fulton County4% |
| 46950 | 94% | Fulton County6% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 46942 | Lake Cicott |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Cass County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Cass County starts with 469.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 469 | Indianapolis, IN (SCF 460) | 12 | 71 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.