| ZIP Codes: | 18 ZIP Codes (10 Standard, 7 PO Box, 1 Unique) [See All] |
| Area Code: | 337 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:24 PM |
| Population: | 249,293 [See All] |
| FIPS: | 22055 |
| CBSA: | Lafayette, LA |
| Land Area: | 281 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 30.2035, -92.0358 |
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249,293 residents live across 18 ZIPs covering 281 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 231,420 to 249,293 from 2014 to 2024 — a +7.7% change. 7 ZIPs gained residents, 4 lost.
The parish's wealthiest ZIP 70518 (Broussard, $106,710 median) and poorest ZIP 70501 (Lafayette, $33,365) are 9.4 miles apart — a 3.2× income gap across local geography.
Median home values vary 2.9× across this parish — from $116,900 in 70501 (Lafayette) to $341,300 in 70503 (Lafayette).
Density varies 8× across the parish — from 305 people/sq mi in 70583 (Scott) to 2,512 in 70503 (Lafayette).
Educational attainment ranges from 16.9% bachelor's+ in 70501 (Lafayette) to 56.5% in 70503 (Lafayette) — the breadth of educational profiles across the area.
Within Louisiana, this is the #5 most populous of 64 parishes and ranks #11 for median household income with the #8 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 70504Univ Of La At Lafayette .
Weighted by population, the typical household earns about $72,283 across the parish — reflecting what a typical resident sees, not a simple ZIP average.
35.1% of adults age 25+ hold a bachelor's degree or higher (59,121 of 168,417 reporting). The most-educated ZIPs cluster around Lafayette.
10 Standard delivery, 7 PO Box only, 1 single-entity Unique ZIPs serve this parish.
Median household income spans 3.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 70506 | Lafayette | Standard | 42,318 | $57,379 | 21.0 | -4.5% |
| 70508 | Lafayette | Standard | 40,592 | $86,005 | 24.2 | 12.3% |
| 70592 | Youngsville | Standard | 32,167 | $93,204 | 43.2 | 55.7% |
| 70503 | Lafayette | Standard | 28,643 | $94,688 | 11.4 | -1.5% |
| 70501 | Lafayette | Standard | 26,465 | $33,365 | 15.4 | -12.2% |
| 70520 | Carencro | Standard | 20,390 | $62,575 | 39.0 | 6.9% |
| 70507 | Lafayette | Standard | 20,096 | $64,049 | 21.3 | 20.9% |
| 70518 | Broussard | Standard | 17,263 | $106,710 | 41.3 | 33.6% |
| 70529 | Duson | Standard | 12,949 | $51,632 | 36.5 | 15.1% |
| 70583 | Scott | Standard | 8,386 | $51,470 | 27.5 | -25.3% |
| 70558 | Milton | PO Box | 24 | — | 0.0 | — |
| 70598 | Lafayette | PO Box | — | — | 0.0 | — |
| 70505 | Lafayette | PO Box | — | — | 0.0 | — |
| 70504 | Lafayette | Unique | — | — | 0.0 | — |
| 70502 | Lafayette | PO Box | — | — | 0.0 | — |
| 70596 | Lafayette | PO Box | — | — | 0.0 | — |
| 70509 | Lafayette | PO Box | — | — | 0.0 | — |
| 70593 | Lafayette | PO Box | — | — | 0.0 | — |