ZIP code · Columbia · Louisiana · United States
ZIP code 71418 — Columbia
ZIP code 71418 serves Columbia, Louisiana.
- Postal code
- 71418Single source Value from one source, not cross-checked.
- City
- Columbia
- County
- Caldwell FIPS 22021
- State
- Louisiana
- Country
- United States
- Coordinates
- 32.1022, -92.1177 — precision precise (locality)
View on OpenStreetMap - Population
- 5,351 (ZCTA, ACS 5-year)
- Population density
- 15 / sq mi
- Land area
- 355.4 sq mi (920.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $31,975
- Per-capita income
- $26,824
- Median age
- 34.9
- Households
- 2,032
- Housing units
- 2,807
- Median home value
- $89,700
- Median gross rent
- $696 / month
- Congressional districts
- LA-5 (also LA-4) (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °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
- 318Telephone 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 71418 with another ZIP · ZIPs within 25 miles · distance from 71418
Map of ZIP code 71418
Climate — monthly normals
Warmest month Aug (avg high 93°F), coldest Jan (avg low 37°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 61 | 69 | 76 | 84 | 90 | 93 | 93 | 88 | 78 | 67 | 59 |
| Avg low °F | 37 | 39 | 46 | 54 | 63 | 70 | 73 | 72 | 66 | 55 | 44 | 38 |
| Precip in | 6.0 | 5.5 | 5.1 | 6.2 | 4.9 | 4.7 | 4.8 | 3.7 | 3.6 | 4.3 | 4.7 | 5.8 |
NOAA 1991–2020 climate normals from the nearest station: COLUMBIA LOCK (4.5 mi) · NOAA NCEI
Places in ZIP 71418
- 8 schools
- 2 hospitals & clinics
- 1 supermarkets
- 4 restaurants & cafés
- 2 parks
- 2 post offices
- 21 places of worship
- 4 gas 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