Residential delivery area · Louisiana
ZIP Code 70663: Sulphur, LA
ZIP code 70663 uses the postal name Sulphur, Louisiana and lies entirely in Calcasieu Parish (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Sulphur's 2 residential ZIP codes. Median household income is $64,707 (Census Bureau, ACS 2020-2024). By Census place, 10% of its land lies in Sulphur; 90% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sulphur · 2 residential ZIPs
- County
- Calcasieu Parish
- Census places
- Sulphur
- Metro area
- Lake Charles, LA
- House districts
- LA-4 (98%), LA-3 (2%) 119th Congress, by share of land
- State
- Louisiana
- Time zone
- Central
- Land area
- 97.8 sq mi · 284 people per sq mi
- PO Box ZIPs
- 70664 also use the name Sulphur
Where is ZIP code 70663?
70663 centers on 30.278°, -93.406° and covers 97.8 square miles of land plus 1.5 of water. It borders 5 ZIP codes: 70669, 70633, 70665, 70611, 70668.
The map draws ZIP code areas only. For the streets inside 70663, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 70663 compare with the rest of Sulphur?
| Measure | 70663 | In Sulphur | In Calcasieu Parish | In LA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 27,799 | 1st of 2 | 3rd of 16 | 47th of 539 |
| Median household income | $65k | 2nd of 2 | 7th of 10 | 94th of 251 |
| Median home value | $181k | 2nd of 2 | 7th of 9 | 142nd of 285 |
Its median household income is higher than in 38% of U.S. residential ZIP codes, and it is denser than 66% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 70663?
The 2020 Census counted 29,325 people in 70663; the ACS, which samples households over 2020-2024, estimates 27,799. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 27,799
- 2020 Census count
- 29,325
- Households
- 10,245
- Median age
- 38.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 70663?
Of the 27,799 people the ACS estimates in 70663, 27.2% are under 18 and 16.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.7%).
- Under 1827.2%
- 18 to 6456.1%
- 65 and older16.6%
- White, not Hispanic83.7%
- Black, not Hispanic7.5%
- Other or two or more4.9%
- Hispanic or Latino3.4%
- Asian, not Hispanic0.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 70663 earn?
Median household income is $64,707 (ACS 2020-2024), the 7th highest of the 10 ranked ZIP codes in Calcasieu Parish.
- Median household income
- $64,707±$8,296
- Income per person
- $29,923
- Below the poverty line
- 15.9%
- Unemployed (of the labor force)
- 4.3%
- Adults 25+ with a bachelor's degree
- 18.4%
- Adjusted gross income per tax return, 2022
- $69,56411,000 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 70663?
FHFA's house price index for 70663, built from repeat sales and appraisals of the same homes, rose 30% from 2015 to 2025 and rose 13% from 2020 to 2025, and moved +0.3% in 2025.
- Median home value (owners' estimate)
- $180,600
- Median gross rent
- $908
- Homes owned by their occupants
- 80.3%
- Housing units
- 12,438
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 70663?
678 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade120
- Construction74
- Professional, scientific, and technical services73
- Other services (except public administration)68
- Health care and social assistance62
- Accommodation and food services61
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 70663?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70669 | Westlake | 9,552 | $69k | 8.3 mi |
| 70633 | Dequincy | 8,486 | $67k | 10.2 mi |
| 70665 | Sulphur | 13,222 | $87k | 11.1 mi |
| 70611 | Lake Charles | 22,124 | $102k | 13.0 mi |
| 70668 | Vinton | 6,169 | $50k | 13.9 mi |
| 70629 | Lake Charles | 0 | – | 11.6 mi (near) |
| 70601 | Lake Charles | 30,872 | $50k | 11.9 mi (near) |
| 70605 | Lake Charles | 40,482 | $86k | 13.0 mi (near) |
| 70609 | Lake Charles | 357 | – | 13.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.