County ZIP codes · Florida · FIPS 12117
Seminole County, FL ZIP Codes
Seminole County, Florida has 28 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 12 for PO boxes or a single organization. 14 of the residential ones lie mainly in Seminole County and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $62,198 in 32701 (Altamonte Springs) to $147,552 in 32766 (Oviedo) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Seminole 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 $70,442 and $95,387.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Seminole County
14 ZIP codes lie mainly in Seminole County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 32765 | Oviedo | 64,477 | 1,652 | $102k | $448k | 100% |
| 32771 | Sanford | 62,606 | 1,670 | $78k | $372k | 100% |
| 32792 | Winter Park | 52,976 | 4,372 | $69k | $374k | 50% |
| 32708 | Winter Springs | 48,965 | 2,647 | $94k | $386k | 100% |
| 32746 | Lake Mary | 46,684 | 2,216 | $105k | $463k | 100% |
| 32707 | Casselberry | 39,493 | 4,107 | $69k | $330k | 100% |
| 32714 | Altamonte Springs | 37,905 | 4,467 | $71k | $325k | 100% |
| 32773 | Sanford | 34,032 | 1,233 | $70k | $288k | 100% |
| 32779 | Longwood | 28,924 | 1,533 | $122k | $480k | 100% |
| 32750 | Longwood | 26,164 | 2,293 | $86k | $383k | 100% |
| 32701 | Altamonte Springs | 24,592 | 4,366 | $62k | $291k | 100% |
| 32766 | Oviedo | 16,221 | 370 | $148k | $564k | 100% |
| 32730 | Casselberry | 6,091 | 4,940 | $48k | $318k | 100% |
| 32732 | Geneva | 5,275 | 94 | $119k | $488k | 100% |
Partly in Seminole 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?
3 ZIP codes of Seminole County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Seminole | Elsewhere |
|---|---|---|
| 32703 | 9% | Orange County 91% |
| 32792 | 50% | Orange County 50% |
| 32751 | 25% | Orange County 75% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Seminole 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 Seminole County starts with 327.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 327 | Orlando, FL (SCF 328) | 28 | 74 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.