| ZIP Codes: | 4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 318 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:41 PM |
| Population: | 9,882 [See All] |
| FIPS: | 22021 |
| Land Area: | 626 sq mi |
| Water Area: | 15 sq mi |
| Coordinates: | 32.0311, -92.1334 |
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9,882 residents live across 4 ZIPs covering 626 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 10,509 to 9,516 from 2014 to 2024 — a -9.4% change. 1 ZIPs gained residents, 2 lost.
The parish's wealthiest ZIP 71441 (Kelly, $170,036 median) and poorest ZIP 71415 (Clarks, $31,944) are 5.5 miles apart — a 5.3× income gap across local geography.
Median home values vary 5.3× across this parish — from $22,900 in 71441 (Kelly) to $122,400 in 71435 (Grayson).
Density varies 3056× across the parish — from 14 people/sq mi in 71418 (Columbia) to 42,558 in 71415 (Clarks).
Educational attainment ranges from 8.1% bachelor's+ in 71441 (Kelly) to 14.0% in 71435 (Grayson) — the breadth of educational profiles across the area.
Within Louisiana, this is the #56 most populous of 64 parishes and ranks #7 for median household income .
Weighted by population, the typical household earns about $54,961 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
11.5% of adults age 25+ hold a bachelor's degree or higher (814 of 7,069 reporting).
3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this parish.
Median household income spans 5.3× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
A frontier parish — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Caldwell Parish lost 6.0% of residents between 2014 and 2024. ZIPs that shed the largest share: