Columbia, LA ZIP code
The ZIP code for Columbia, Louisiana is 71418. It is in Caldwell Parish.
- Population in these ZIPs
- 5,233
- Avg. median income
- $40,800population-weighted
- Typical home value
- $133,000population-weighted
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Columbia, LA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 71418 | 5,233 | $40,785 | $133,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Columbia
Frequently asked questions
What is the ZIP code for Columbia, LA?
The ZIP code for Columbia, LA is 71418.
What county is Columbia, Louisiana in?
Columbia ZIP codes are in Caldwell Parish.