County ZIP codes · Indiana · FIPS 18053
Grant County, IN ZIP Codes
Grant County, Indiana has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 12 of the residential ones lie mainly in Grant County and 3 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $45,884 in 46938 (Jonesboro) to $83,664 in 46919 (Converse) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Grant 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 $50,426 and $79,438.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 15 residential ZIP codes in Grant County
12 ZIP codes lie mainly in Grant County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 46953 | Marion | 23,372 | 273 | $46k | $89k | 100% |
| 46952 | Marion | 18,189 | 172 | $53k | $147k | 90% |
| 46933 | Gas City | 6,536 | 592 | $57k | $121k | 100% |
| 46989 | Upland | 5,385 | 168 | $82k | $219k | 97% |
| 46928 | Fairmount | 4,553 | 63 | $67k | $126k | 98% |
| 46938 | Jonesboro | 2,494 | 80 | $46k | $99k | 100% |
| 46919 | Converse | 1,968 | 46 | $84k | $193k | 50% |
| 46986 | Swayzee | 1,617 | 47 | $79k | $163k | 100% |
| 46991 | Van Buren | 1,594 | 49 | $48k | $111k | 83% |
| 46987 | Sweetser | 1,055 | 1,180 | $81k | $153k | 100% |
| 46957 | Matthews | 443 | 1,035 | $49k | $80k | 100% |
| 46930 | Fowlerton | 185 | 984 | $53k | $92k | 100% |
Partly in Grant 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?
8 ZIP codes of Grant County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Grant | Elsewhere |
|---|---|---|
| 46952 | 90% | Wells County 5%; Huntington County 3%; Blackford County 3% |
| 46036 | 2% | Madison County 73%; Tipton County 25% |
| 47348 | 2% | Blackford County 98% |
| 46989 | 97% | Delaware County 2%; Blackford County 1% |
| 46928 | 98% | Madison County 2% |
| 46940 | 4% | Wabash County 72%; Huntington County 24% |
| 46919 | 50% | Miami County 36%; Howard County 14% |
| 46991 | 83% | Huntington County 15%; Wells County 2% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Grant County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Grant County's ZIP codes use 3 prefixes: 460, 469 and 473.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 460 | Indianapolis, IN (SCF 460) | 1 | 51 |
| 469 | Indianapolis, IN (SCF 460) | 13 | 71 |
| 473 | Muncie, IN (SCF 473) | 1 | 63 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.