Jefferson Davis Parish, LA ZIP codes
There are 7 ZIP codes in Jefferson Davis Parish, LA, in 7 towns, from 70532 to 70650. The largest are 70546 (Jennings), 70591 (Welsh) and 70549 (Lake Arthur). 2 more cross into it from neighbouring counties: 70647 and 70648.
The parish seat is Jennings.
- ZIP codes
- 7
- Partly in it
- 2 more
- Towns
- 7
- Parish seat
- Jennings
- County FIPS
22053- State
- Louisiana
- Population
- 31,924
- Median household income
- $57,341
- Land area
- 652 sq mi
- Metro area
- Lake Charles
Jefferson Davis Parish ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Jefferson Davis Parish
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Jefferson Davis Parish.
- 70647 Iowa · mostly in Calcasieu Parish
- 70648 Kinder · mostly in Allen Parish
Map of Jefferson Davis Parish ZIP codes
The ZIP codes of Jefferson Davis Parish, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Jefferson Davis Parish in numbers
About 31,924 people live in Jefferson Davis Parish, in 12,068 households, the 33rd most populous of Louisiana's 64 counties. The median household income is $57,341 a year, 6% below the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $150,800 (30% below the Louisiana median), and median gross rent is $848 a month. The median age is 38.1; 15.4% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 34 minutes.
| Population | 31,924 |
|---|---|
| Households | 12,068 |
| Median age | 38.1 |
| Median household income | $57,341 |
| Median home value | $150,800 |
| Median gross rent | $848 |
| Bachelor's degree or higher | 15.4% |
| Mean commute | 34.1 min |
| Population density | 49 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Jefferson Davis Parish
| Town | ZIP codes | Population |
|---|---|---|
| Jennings | 1 | 9,553 |
| Welsh | 1 | 3,313 |
| Lake Arthur | 1 | 2,585 |
| Elton | 1 | 862 |
| Roanoke | 1 | 482 |
| Lacassine | 1 | 218 |
| Fenton | 1 | 207 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Jefferson Davis Parish.
Not sure you are in Jefferson Davis Parish? What county am I in? answers from your location, near a county line included.
Every ZIP code in Jefferson Davis Parish, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
70532 | Elton , LA | Standard | 2,434 | $44,095 | $99,700 |
70546 | Jennings , LA | Standard | 15,242 | $52,229 | $153,100 |
70549 | Lake Arthur , LA | Standard | 3,874 | $57,692 | $115,100 |
70581 | Roanoke , LA | Standard | 958 | $71,176 | $163,600 |
70591 | Welsh , LA | Standard | 5,983 | $78,393 | $159,100 |
70640 | Fenton , LA | Standard | 196 | $21,938 | $96,600 |
70650 | Lacassine , LA | Standard | 218 | — | — |
Cite this page
zipcodes.pro. “Jefferson Davis Parish ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/la/county/jefferson-davis
Underlying data is public domain or openly licensed — sources, vintages and licences.