Zip Code 70663
Sulphur, Louisiana — Calcasieu Parish
📍 ZIP code 70663 is in Sulphur, Calcasieu Parish, Louisiana.
ZIP code 70663 is located in Sulphur, Calcasieu Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 29,511. The area code for ZIP code 70663 is 318.
Quick Answer
Zip code 70663 is in Sulphur, Louisiana (Calcasieu Parish). It has a population of 29,511, median household income of $59,444, and median home value of $174,300.
Population
29,511
Income
$59,444
Home Value
$174,300
Climate
92°F / 40°F
About Zip Code 70663
Zip code 70663 is located in Sulphur, Louisiana, within Calcasieu Parish. Home to approximately 29,511 residents, this area sits at an elevation of 3 ft and falls within the Central (CST/CDT) timezone. The local area code is 318.
The median household income is $59,444 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $174,300, and the cost of living index is 66 (34% below the national average of 100).
Summers average a high of 92°F while winters drop to 40°F. The area receives about 69 in of rain annually. The zip code covers 96.8 square miles of land area and 1.4 square miles of water.
Key Statistics
29,511
$59,444
$174,300
Central (CST/CDT)
318
3 ft
96.8 sq mi
37.7
12,767
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Compare With Nearby Zip Codes
| Metric | 70663 | 70669 | 70633 | 70601 | 70611 | 70665 |
|---|---|---|---|---|---|---|
| City | Sulphur, LA | Lake Charles, LA | Dequincy, LA | Lake Charles, LA | Lake Charles, LA | Sulphur, LA |
| Population | 29,511 | 9,183 | 8,178 | 31,843 | 20,681 | 12,891 |
| Median Income | $59,444 | $68,416 | $72,170 | $49,545 | $101,146 | $88,328 |
| Home Value | $174,300 | $160,800 | $195,300 | $164,300 | $249,400 | $229,800 |
| Cost of Living | 66 | 66 | 77 | 60 | 102 | 89 |
| Median Age | 37.7 | 41.1 | 37.5 | 38.2 | 41.6 | 35.2 |
Cost of Living
100 = National Average. Sulphur's cost of living is 34% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.9x
Demographics
Zip code 70663 has a population of 29,511 people with a median age of 37.7. There are 12,767 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Sulphur (70663) population trend from 2010 to 2024
↓ -30.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
92°F
40°F
69 in
0 in
Sulphur experiences hot summers with average highs around 92°F. Winters are mild with lows averaging 40°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$174,300
Median Household Income
$59,444
With 12,767 housing units across 96.8 square miles, 70663 has a housing density of 132 units per square mile. The home price-to-income ratio is 2.9x.
Location & Geography
Latitude
30.2903°
Longitude
-93.3717°
Land Area
96.8 sq mi
Water Area
1.4 sq mi
Nearby Zip Codes
Zip codes closest to 70663 (Sulphur, LA) with distances:
All Zip Codes in Sulphur, LA
Other zip codes serving Sulphur:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70663's $59,444. A way to compare Sulphur to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 70663 (Sulphur, LA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Sulphur, Louisiana?
Sulphur, Louisiana uses zip code 70663 along with 1 other zip codes.
What county is zip code 70663 in?
Zip code 70663 is located in Calcasieu Parish, Louisiana.
What is the population of zip code 70663?
The population of zip code 70663 is 29,511 with a median age of 37.7.
Is 70663 in Sulphur, Louisiana?
Yes, zip code 70663 is in Sulphur, Calcasieu Parish, Louisiana. The area code is 318.
Frequently Asked Questions
What city is zip code 70663 in?
Zip code 70663 is in Sulphur, Louisiana. It is part of Calcasieu Parish and uses the Central (CST/CDT) timezone.
What is zip code 70663?
Zip code 70663 is a U.S. postal code in Sulphur, Louisiana (Calcasieu Parish). It has a population of 29,511 and covers 96.8 square miles.
What is the population of zip code 70663?
The population of zip code 70663 (Sulphur, LA) is 29,511 with a median age of 37.7. There are approximately 12,767 housing units in this area.
What is the median income in zip code 70663?
The median household income in zip code 70663 (Sulphur, LA) is $59,444 per year. The cost of living index is 66 (100 = national average).
What is the average home price in zip code 70663?
The median home value in zip code 70663 (Sulphur, LA) is $174,300. The cost of living index is 66 compared to the national average of 100.
What county is zip code 70663 in?
Zip code 70663 is located in Calcasieu Parish, Louisiana. The primary city is Sulphur.
What is the area code for zip code 70663?
Zip code 70663 in Sulphur, LA uses area code 318. It is located in the Central (CST/CDT) timezone.
Is zip code 70663 a good place to live?
Zip code 70663 (Sulphur, LA) has a cost of living index of 66 (100 = national average), a median household income of $59,444, and median home values of $174,300. The median age is 37.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70663?
The cost of living index for zip code 70663 (Sulphur, LA) is 66, where 100 represents the national average. This area is below the national average. Median home value: $174,300.
What schools serve zip code 70663?
Zip code 70663 in Sulphur, Louisiana is served by the local school district of Calcasieu Parish. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.