ZIP code · Gueydan · Louisiana · United States
ZIP code 70542 — Gueydan
ZIP code 70542 serves Gueydan, Louisiana.
- Postal code
- 70542Single source Value from one source, not cross-checked.
- City
- Gueydan
- County
- Vermilion FIPS 22113
- State
- Louisiana
- Country
- United States
- Coordinates
- 30.0255, -92.5338 — precision precise (locality)
View on OpenStreetMap - Population
- 3,499 (ZCTA, ACS 5-year)
- Population density
- 18 / sq mi
- Land area
- 190.9 sq mi (494.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $52,639
- Per-capita income
- $32,279
- Median age
- 46.5
- Households
- 1,259
- Housing units
- 1,614
- Median home value
- $113,200
- Median gross rent
- $668 / month
- Congressional district
- LA-3 (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °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
- 337Telephone 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 70542 with another ZIP · ZIPs within 25 miles · distance from 70542
Map of ZIP code 70542
Climate — monthly normals
Warmest month Aug (avg high 92°F), coldest Jan (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 66 | 72 | 78 | 84 | 90 | 91 | 92 | 89 | 81 | 71 | 63 |
| Avg low °F | 44 | 47 | 53 | 60 | 68 | 73 | 75 | 74 | 70 | 61 | 51 | 45 |
| Precip in | 5.6 | 4.2 | 3.1 | 4.8 | 4.6 | 6.2 | 5.0 | 6.1 | 5.8 | 4.5 | 5.3 | 4.8 |
NOAA 1991–2020 climate normals from the nearest station: LAKE ARTHUR 7 SW (14.0 mi) · NOAA NCEI
Places in ZIP 70542
- 4 schools
- 1 supermarkets
- 6 restaurants & cafés
- 3 parks
- 1 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 6 places of worship
- 4 banks
- 1 gas stations
- 3 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