| ZIP Codes: | 6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 985 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:26 PM |
| Population: | 41,809 [See All] |
| FIPS: | 22095 |
| CBSA: | New Orleans-Metairie, LA |
| Land Area: | 238 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 30.0767, -90.5808 |
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41,809 residents live across 6 ZIPs covering 238 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 45,477 to 41,809 from 2014 to 2024 — a -8.1% change. 0 ZIPs gained residents, 5 lost.
The parish's wealthiest ZIP 70051 (Garyville, $87,888 median) and poorest ZIP 70084 (Reserve, $62,047) are 4.2 miles apart — a 1.4× income gap across local geography.
Median home values vary 1.3× across this parish — from $155,400 in 70084 (Reserve) to $203,200 in 70068 (La Place).
Density varies 7× across the parish — from 32 people/sq mi in 70049 (Edgard) to 228 in 70068 (La Place).
Educational attainment ranges from 5.3% bachelor's+ in 70051 (Garyville) to 35.1% in 70049 (Edgard) — the breadth of educational profiles across the area.
Within Louisiana, this is the #27 most populous of 64 parishes and ranks #8 for median household income .
Weighted by population, the typical household earns about $68,486 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
17.8% of adults age 25+ hold a bachelor's degree or higher (5,023 of 28,175 reporting).
5 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this parish.
One ZIP holds the majority of this parish's population — a sign of a county built around a single city or town.
St John The Baptist Parish lost 8.1% of residents between 2014 and 2024. ZIPs that shed the largest share: