Caldwell Parish, Louisiana ZIP codes
4 ZIP codes are in Caldwell Parish, plus 1 that cross in from neighboring parishes.
- ZIP codes
- 4
- Population in these ZIPs
- 9,882
- Avg. median income
- $55,000population-weighted
- Cities & towns
- 4
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ZIP codes in Caldwell Parish
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 71415 | Clarks | 366 | $31,944 | $37,600 |
| 71418 | Columbia | 5,233 | $40,785 | $133,000 |
| 71435 | Grayson | 3,499 | $52,787 | $138,400 |
| 71441 | Kelly | 784 | $170,036 | $145,100 |
ZIP codes partly in Caldwell Parish
These ZIP codes are mostly in a neighboring parish but cover part of Caldwell Parish.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 71465 | Olla | LaSalle Parish | 3,086 | $42,366 | $118,400 |
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 and towns in Caldwell Parish
Nearby parishes
Frequently asked questions
How many ZIP codes are in Caldwell Parish, Louisiana?
4 ZIP codes are mainly in Caldwell Parish, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Caldwell Parish?
ZIP codes in Caldwell Parish use the city names Clarks, Columbia, Grayson and Kelly.