ZIP code · Port Sulphur · Louisiana · United States
ZIP code 70083 — Port Sulphur
ZIP code 70083 serves Port Sulphur, Louisiana.
- Postal code
- 70083Single source Value from one source, not cross-checked.
- City
- Port Sulphur
- County
- Plaquemines Parish FIPS 22075
- State
- Louisiana
- Country
- United States
- Coordinates
- 29.4700, -89.6847 — precision precise (locality)
View on OpenStreetMap - Population
- 2,456 (ZCTA, ACS 5-year)
- Population density
- 19 / sq mi
- Land area
- 129.2 sq mi (334.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $66,250
- Per-capita income
- $28,116
- Median age
- 34.5
- Households
- 753
- Housing units
- 877
- Median home value
- $89,100
- Congressional district
- LA-1 (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 504 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 70083 with another ZIP · ZIPs within 25 miles · distance from 70083
Map of ZIP code 70083
Climate — monthly normals
Warmest month Aug (avg high 90°F), coldest Jan (avg low 46°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 66 | 72 | 77 | 84 | 88 | 90 | 90 | 87 | 80 | 72 | 67 |
| Avg low °F | 46 | 48 | 54 | 61 | 68 | 74 | 75 | 75 | 73 | 64 | 55 | 48 |
| Precip in | 5.8 | 3.9 | 4.9 | 5.6 | 3.4 | 6.4 | 8.1 | 7.8 | 6.2 | 4.3 | 3.0 | 4.5 |
NOAA 1991–2020 climate normals from the nearest station: LSU CITRUS RSCH STN (11.3 mi) · NOAA NCEI
Places in ZIP 70083
- 3 schools
- 1 hospitals & clinics
- 1 doctors & dentists
- 3 parks
- 1 post offices
- 5 places of worship
- 5 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page