| ZIP Codes: | 15 ZIP Codes (10 Standard, 5 PO Box, 0 Unique) [See All] |
| Area Codes: | 225 / 318 / 337 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:44 PM |
| Population: | 86,541 [See All] |
| FIPS: | 22097 |
| CBSA: | Opelousas, LA |
| Land Area: | 1,016 sq mi |
| Water Area: | 15 sq mi |
| Coordinates: | 30.5680, -92.0170 |
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86,541 residents live across 15 ZIPs covering 1,016 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 88,727 to 85,971 from 2014 to 2024 — a -3.1% change. 3 ZIPs gained residents, 10 lost.
The parish's wealthiest ZIP 70584 (Sunset, $62,281 median) and poorest ZIP 71353 (Melville, $37,405) are 30.5 miles apart — a 1.7× income gap across local geography.
Median home values vary 2.2× across this parish — from $88,400 in 70541 (Grand Coteau) to $193,800 in 70584 (Sunset).
Density varies 8113× across the parish — from 8 people/sq mi in 71358 (Palmetto) to 68,640 in 70541 (Grand Coteau).
Educational attainment ranges from 5.7% bachelor's+ in 70750 (Krotz Springs) to 21.5% in 70584 (Sunset) — the breadth of educational profiles across the area.
Within Louisiana, this is the #16 most populous of 64 parishes and ranks #52 for median household income .
Weighted by population, the typical household earns about $46,558 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
15.6% of adults age 25+ hold a bachelor's degree or higher (8,810 of 56,576 reporting).
10 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this parish.
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 70570 | Opelousas | Standard | 37,565 | $44,612 | 178.0 | -1.6% |
| 70535 | Eunice | Standard | 18,466 | $44,381 | 167.4 | 1.0% |
| 70512 | Arnaudville | Standard | 10,740 | $47,313 | 109.1 | 5.3% |
| 70584 | Sunset | Standard | 7,481 | $62,281 | 36.5 | -8.4% |
| 70577 | Port Barre | Standard | 3,939 | $47,072 | 73.8 | -9.8% |
| 70589 | Washington | Standard | 2,875 | $49,650 | 125.7 | -7.0% |
| 71353 | Melville | Standard | 1,399 | $37,405 | 86.6 | -17.0% |
| 70750 | Krotz Springs | Standard | 1,117 | $38,466 | 116.6 | -34.1% |
| 71358 | Palmetto | Standard | 867 | $44,243 | 102.5 | -30.3% |
| 70541 | Grand Coteau | PO Box | 858 | $48,264 | 0.0 | 94.1% |
| 71356 | Morrow | Standard | 596 | — | 19.6 | -28.6% |
| 70551 | Leonville | PO Box | 570 | $44,924 | 0.0 | — |
| 70550 | Lawtell | PO Box | 34 | — | 0.0 | -92.1% |
| 71345 | Lebeau | PO Box | 34 | — | 0.1 | -65.7% |
| 70571 | Opelousas | PO Box | — | — | 0.0 | — |