ZIP code · Washington · Louisiana · United States
ZIP code 70589 — Washington
ZIP code 70589 serves Washington, Louisiana.
- Postal code
- 70589Single source Value from one source, not cross-checked.
- City
- Washington
- County
- St. Landry FIPS 22097
- State
- Louisiana
- Country
- United States
- Coordinates
- 30.6839, -92.0252 — precision precise (locality)
View on OpenStreetMap - Population
- 3,138 (ZCTA, ACS 5-year)
- Population density
- 27 / sq mi
- Land area
- 118.2 sq mi (306.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $44,063
- Per-capita income
- $30,400
- Median age
- 34
- Households
- 1,224
- Housing units
- 1,522
- Median home value
- $105,600
- Median gross rent
- $653 / month
- Congressional districts
- LA-6 (also LA-4) (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 70589 with another ZIP · ZIPs within 25 miles · distance from 70589
Map of ZIP code 70589
Climate — monthly normals
Warmest month Aug (avg high 92°F), coldest Jan (avg low 41°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 64 | 67 | 74 | 79 | 86 | 90 | 92 | 92 | 88 | 81 | 71 | 65 |
| Avg low °F | 41 | 45 | 51 | 57 | 65 | 70 | 73 | 72 | 68 | 58 | 48 | 43 |
| Precip in | 6.5 | 4.5 | 3.8 | 5.3 | 5.7 | 7.0 | 4.4 | 4.4 | 5.1 | 5.0 | 5.0 | 4.9 |
NOAA 1991–2020 climate normals from the nearest station: GRAND COTEAU (18.4 mi) · NOAA NCEI
Places in ZIP 70589
- 6 schools
- 1 restaurants & cafés
- 2 parks
- 1 post offices
- 14 places of worship
- 1 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