| ZIP Codes: | 8 ZIP Codes (5 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 318 / 337 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:41 PM |
| Population: | 20,909 [See All] |
| FIPS: | 22003 |
| Land Area: | 705 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 30.6750, -92.8519 |
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20,909 residents live across 8 ZIPs covering 705 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 24,959 to 20,909 from 2014 to 2024 — a -16.2% change. 1 ZIPs gained residents, 7 lost.
The parish's wealthiest ZIP 70658 (Reeves, $65,759 median) and poorest ZIP 70644 (Grant, $21,825) are 18.0 miles apart — a 3.0× income gap across local geography.
Median home values vary 2.5× across this parish — from $61,000 in 70651 (Leblanc) to $153,600 in 70658 (Reeves).
Density varies 32× across the parish — from 10 people/sq mi in 70658 (Reeves) to 303 in 70651 (Leblanc).
Educational attainment ranges from 3.2% bachelor's+ in 70644 (Grant) to 21.4% in 70638 (Elizabeth) — the breadth of educational profiles across the area.
Within Louisiana, this is the #43 most populous of 64 parishes and ranks #58 for median household income .
Weighted by population, the typical household earns about $46,947 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
11.0% of adults age 25+ hold a bachelor's degree or higher (1,612 of 14,597 reporting).
5 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this parish.
Median household income spans 3.0× 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.
Allen Parish lost 16.2% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 71463 | Oakdale | Standard | 8,559 | $43,594 | 217.6 | -15.5% |
| 70648 | Kinder | Standard | 7,104 | $48,750 | 205.2 | -16.5% |
| 70655 | Oberlin | Standard | 3,047 | $50,893 | 135.4 | -13.4% |
| 70658 | Reeves | Standard | 914 | $65,759 | 95.3 | -30.4% |
| 70638 | Elizabeth | PO Box | 792 | $37,708 | 11.9 | -15.4% |
| 70651 | Leblanc | PO Box | 302 | $42,865 | 1.0 | 29.1% |
| 70644 | Grant | PO Box | 190 | $21,825 | 7.2 | -21.5% |
| 70654 | Mittie | Standard | 1 | — | 31.4 | -98.7% |