70663 ZIP Code — Sulphur, LA

Calcasieu County, Louisiana

ZIP code 70663 is located in Sulphur, Louisiana, within Calcasieu County. It covers approximately 97.78 square miles and serves a population of 30,299 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 337.

About ZIP code 70663

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $166,600. Owner-occupancy is high at 78%, well above the national average.

Median household income is $56,276. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks.

Overall, ZIP code 70663 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

30,299

population

97.78

sq mi land

Standard

ZIP type

Central (CT)

timezone

70663 ZIP code map

Cities in ZIP code 70663

Below are the cities the US Postal Service accepts for ZIP code 70663. Using any city not on this list may result in mail delivery delays.

City	Status
Sulphur	Preferred

Nearby ZIP codes

70669 Westlake (7.9 mi) 70633 Dequincy (9.6 mi) 70601 Lake Charles (10.4 mi) 70665 Sulphur (11.1 mi) 70629 Lake Charles (11.3 mi) 70611 Lake Charles (12.2 mi) 70609 Lake Charles (12.9 mi) 70605 Lake Charles (13 mi) 70668 Vinton (14.4 mi) 70661 Starks (15.7 mi) 70615 Lake Charles (17 mi) 70607 Lake Charles (19.2 mi)

Demographics updated 05/2026

Population
Total population	30,299
Population density	310 / sq mi
State FIPS	22
County FIPS	019

Geography
Land area	97.78 sq mi
Water area	1.51 sq mi
Latitude	30.2885
Longitude	-93.3927
Timezone	Central (CT)
Area code	337

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.3%	47.1%	49.2%
$50k – $100k	34.9%	29.1%	27.7%
$100k – $200k	20.2%	19.2%	18.3%
Over $200k	1.6%	4.7%	4.7%

Demographics & statistics

30,299

Population

310

People per sq mi

37.1

Median age

$56,276

Median household income

$27,364

Per capita income

$166,600

Median home value

$866

Median monthly rent

77.6%

Home ownership

15.9%

Poverty rate

5.0%

Unemployment

10,331

Housing units

16.5%

Bachelor's or higher

Age distribution

Male Female

1,056

Under 5

1,162

1,029

5–9

1,131

1,114

10–14

1,226

1,040

15–19

1,145

781

20–24

860

1,942

25–34

2,136

1,742

35–44

1,916

1,487

45–54

1,635

927

55–59

1,020

1,066

60–64

1,172

1,489

65–74

1,638

532

75–84

585

223

85+

245

← Male

Female →

Age summary

Group	Count	%
Under 18	8,298	27.4%
18 and over	22,001	72.6%
65 and over	4,712	15.6%
Median age	37.1 years

Race & ethnicity

White 82.1%

Black or African American 8.3%

Hispanic or Latino 3.5%

Two or more races 3.1%

Other race 2.2%

Asian 0.4%

American Indian / Alaska Native 0.3%

Group	Count	%
White	25,785	82.1%
Black or African American	2,602	8.3%
Hispanic or Latino	1,108	3.5%
Two or more races	986	3.1%
Other race	687	2.2%
Asian	132	0.4%
American Indian / Alaska Native	103	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.3%	47.1%	49.2%
$50k – $100k	34.9%	29.1%	27.7%
$100k – $200k	20.2%	19.2%	18.3%
Over $200k	1.6%	4.7%	4.7%

Under $10k 7.5%

$10k–$15k 3.5%

$15k–$25k 9.5%

$25k–$35k 8.4%

$35k–$50k 15.8%

$50k–$75k 18.1%

$75k–$100k 11.6%

$100k–$150k 14.8%

$150k–$200k 6.7%

$200k+ 4.1%

Range	% of households
Under $10k	7.5%
$10k–$15k	3.5%
$15k–$25k	9.5%
$25k–$35k	8.4%
$35k–$50k	15.8%
$50k–$75k	18.1%
$75k–$100k	11.6%
$100k–$150k	14.8%
$150k–$200k	6.7%
$200k+	4.1%
Median income	$56,276

Housing

Home values

Under $50k 8.6%

$50k–$100k 18.2%

$100k–$150k 15.2%

$150k–$200k 20.8%

$200k–$300k 24.6%

$300k–$500k 9.8%

$500k–$1M 2.5%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$166,600
Median rent / month	$866
Owner occupied	77.6%
Renter occupied	22.4%
Vacant	15.8%
Single-family detached	66.2%
Large apartment buildings	1.7%
Mobile homes	21.4%
Median rooms	5.4
Avg household size (owned)	2.85

Year built

Era	%
2020 or later	2.0%
2010–2019	10.4%
2000–2009	10.6%
1990–1999	14.3%
1980–1989	12.2%
1970–1979	16.2%
1960–1969	16.6%
1950–1959	12.6%
1940–1949	3.0%
1939 or earlier	2.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	4.4%
2 bedrooms	22.9%
3 bedrooms	55.4%
4 bedrooms	12.8%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.3%
1 vehicle	38.2%
2 vehicles	35.7%
3 or more	20.8%

Heating fuel

Fuel type	%
Utility gas	30.3%
Electricity	67.7%
Propane / LP gas	1.2%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	5,238	48.9%
Cohabiting couple	655	6.1%
Male householder, no spouse	2,009	18.7%
Female householder, no spouse	2,819	26.3%
Households with children under 18	3,624	33.8%
Households with seniors (65+)	3,344	31.2%
Average household size	2.81

Marital status

Status	Male	Female
Never married	31.4%	29.6%
Married	50.6%	44.8%
Separated	0.8%	0.7%
Widowed	4.4%	9.1%
Divorced	12.8%	15.9%

Education

Less than 9th grade 2.4%

Some HS, no diploma 9.5%

HS graduate 39.6%

Some college, no degree 21.9%

Associate's degree 10.2%

Bachelor's degree 12.1%

Graduate / professional 4.4%

Metric	%
HS diploma or higher	88.2%
Bachelor's or higher	16.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	594	7.7%
Kindergarten	582	7.5%
Elementary school	3,439	44.3%
High school	1,837	23.7%
College / grad school	1,307	16.8%

Employment

Industry of employment

Education & healthcare 19.1%

Construction 14.2%

Arts, food & hospitality 12.0%

Manufacturing 11.2%

Retail trade 11.2%

Professional & management 7.3%

Public administration 7.3%

Transportation & utilities 4.7%

Other services 4.4%

Finance & real estate 3.2%

Information 2.2%

Wholesale trade 2.1%

Agriculture & mining 1.1%

Occupation

Category	%
Management, business & arts	29.1%
Service	18.3%
Sales & office	23.3%
Natural resources & construction	16.8%
Production & transportation	12.5%

Employment type

Type	%
Private sector	82.3%
Government	14.6%
Self-employed	3.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.3%
Carpool	8.4%
Public transit	0.0%
Walk	2.1%
Work from home	4.9%
Other means	0.3%
Avg commute (minutes)	19.1

Poverty

All people 15.9%

Under 18 years 22.2%

18 and over 13.6%

Married-couple families 7.8%

Female-led households 28.9%

Income support

Source	% of households
Social Security	35.0%
Retirement income	18.6%
Supplemental Security	4.9%
Cash public assistance	1.2%
Food stamps / SNAP	13.3%

Health indicators

Condition	%
Obesity	35.3%
High blood pressure	37.4%
High cholesterol	33.7%
Diabetes	11.9%
Heart disease	7.0%
Stroke	3.4%
Asthma	9.3%
Arthritis	25.7%
Kidney disease	3.0%
Pulmonary disease	8.1%
Cancer	6.5%

Behavior / access	%
Smoking	22.9%
Binge drinking	21.2%
No physical activity	30.2%
Less than 7 hrs sleep	37.7%
Depression	26.8%
Fair or poor health	17.5%
Poor mental health	19.3%
Poor physical health	12.3%
No health insurance	14.0%
Visited doctor (checkup)	75.7%
Visited dentist	54.4%
Cholesterol screening	88.3%
Teeth loss	17.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,865	8.5%

Disability	%
Any disability	13.3%
Under 18	5.0%
18–64 years	11.7%
65 and over	34.5%

Health insurance coverage

Type	%
Private insurance	58.8%
Public insurance	45.0%
No insurance	6.6%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	28,081	92.7%
Spanish	599	2.1%
Other Indo-European	466	1.7%
Asian & Pacific Islander	85	0.3%
Other languages	8	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,530	97.5%
Born in same state	29,356	96.9%
Born in different state	24,434	80.6%
Foreign born	174	0.6%
Naturalized citizen	769	2.5%
Not a US citizen	353	45.9%

Ancestry

Ancestry	Count	%
German	3,326	11%
Arab	2,359	7.8%
French	1,972	6.5%
Italian	1,845	6.1%

Ancestry	Count	%
Polish	145	0.5%
English	48	0.2%
Dutch	35	0.1%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	92.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 70663

What city is ZIP code 70663 in?

ZIP code 70663 is primarily assigned to Sulphur, Louisiana.

What county is ZIP code 70663 in?

ZIP code 70663 falls within Calcasieu County, Louisiana.

What is the poverty rate in ZIP code 70663?

16% of residents in ZIP code 70663 live below the poverty line, above the national average.

What is the typical home value in ZIP code 70663?

The median home value in ZIP code 70663 is $166,600.

What is the population of ZIP code 70663?

ZIP code 70663 has an estimated population of 30,299 residents, with a density of 310 people per square mile.

What is the median household income in ZIP code 70663?

The median household income in ZIP code 70663 is $56,276, below the national median of ~$75,000.

What timezone is ZIP code 70663 in?

ZIP code 70663 observes the CST timezone.