County ZIP codes · Louisiana · FIPS 22089
St. Charles Parish, LA ZIP Codes
St. Charles Parish, Louisiana 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. 9 of the residential ones lie mainly in St. Charles Parish and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $68,459 in 70068 (La Place) to $87,333 in 70047 (Destrehan) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of St. Charles Parish?
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 $71,433 and $76,539.
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 10 residential ZIP codes in St. Charles Parish
9 ZIP codes lie mainly in St. Charles Parish; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 70070 | Luling | 13,960 | 153 | $77k | $274k | 100% |
| 70047 | Destrehan | 13,220 | 1,086 | $87k | $305k | 100% |
| 70087 | Saint Rose | 7,314 | 586 | $73k | $235k | 100% |
| 70030 | Des Allemands | 4,290 | 153 | $119k | $223k | 87% |
| 70057 | Hahnville | 4,122 | 93 | $90k | $239k | 100% |
| 70079 | Norco | 2,757 | 1,508 | $71k | $239k | 100% |
| 70039 | Boutte | 1,993 | 149 | $68k | $233k | 100% |
| 70031 | Ama | 1,483 | 423 | $73k | $219k | 100% |
| 70080 | Paradis | 586 | 61 | $62k | $196k | 100% |
Partly in St. Charles Parish
| In this county | ||||||
|---|---|---|---|---|---|---|
| 70068 | La Place | 32,720 | 664 | $69k | $203k | 6% |
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?
2 ZIP codes of St. Charles Parish extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In St. Charles | Elsewhere |
|---|---|---|
| 70068 | 6% | St. John the Baptist Parish 94% |
| 70030 | 87% | Lafourche Parish 13% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 70078 | New Sarpy |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do St. Charles Parish'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 St. Charles Parish starts with 700.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 700 | New Orleans, LA (SCF 700) | 11 | 64 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.