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County ZIP codes · Louisiana · FIPS 22095

St. John the Baptist Parish, LA ZIP Codes

St. John the Baptist Parish, Louisiana has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 1 for PO boxes or a single organization. 5 of the residential ones lie mainly in St. John the Baptist Parish and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $61,654 in 70090 (Vacherie) to $68,953 in 70049 (Edgard) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of St. John the Baptist Parish?

70049 · Edgard: $69k70051 · Garyville: $88k70068 · La Place: $69k70076 · Mount Airy: –70084 · Reserve: $62k70090 · Vacherie: $62k70068700907004970084700517007670049 · Edgard: $69k70051 · Garyville: $88k70068 · La Place: $69k70076 · Mount Airy: –70084 · Reserve: $62k70090 · Vacherie: $62k70068700907004970084700517007670049 · Edgard: $69k70051 · Garyville: $88k70068 · La Place: $69k70076 · Mount Airy: –70084 · Reserve: $62k70090 · Vacherie: $62k7006870090700497008470051
The residential ZIP codes of St. John the Baptist Parish (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

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 $61,654 and $68,459.

They carry 6 postal town names: La Place, Vacherie, Reserve, Garyville, Edgard, Mount Airy.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 6 residential ZIP codes in St. John the Baptist Parish

5 ZIP codes lie mainly in St. John the Baptist Parish; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in St. John the Baptist Parish, largest first; "In this county" is the share of the ZIP's land in the county
In this county
70068 La Place 32,720 664 $69k $203k 94%
70084 Reserve 5,629 311 $62k $155k 100%
70051 Garyville 1,878 232 $88k $170k 100%
70049 Edgard 1,482 91 $69k $183k 100%
70076 Mount Airy 100 88 – – 100%

Partly in St. John the Baptist Parish

Residential ZIP codes mainly in another county that reach at least 1% into St. John the Baptist Parish, by their share here
In this county
70090 Vacherie 6,447 82 $62k $209k 39%

Download the 7 ZIP codes as CSV

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. John the Baptist Parish extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in St. John the Baptist Parish and in the neighboring counties
ZIPIn St. John the BaptistElsewhere
7006894%St. Charles Parish 6%
7009039%St. James Parish 61%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in St. John the Baptist Parish without a residential area (GeoNames postal codes)
ZIPPostal name
70069La Place

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do St. John the Baptist 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. John the Baptist Parish starts with 700.

Three-digit prefixes of St. John the Baptist Parish's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are St. John the Baptist Parish's
PrefixSectional centerHereAll codes
700 New Orleans, LA (SCF 700) 7 64

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.