Westlake ZIP Codes — Calcasieu County, LA

There is one unique ZIP code in Westlake, Louisiana and it is 70669. Area code: 337.

ZIP codes

29.23

sq mi land

3.76

sq mi water

337

area code

Westlake, LA ZIP code map

About Westlake, LA

Westlake, Louisiana is a small, vibrant city located in Calcasieu County. Nestled in the southwestern part of the state, it offers a blend of suburban living with easy access to the amenities of nearby Lake Charles. The city's community is closely-knit, with a strong sense of local pride and identity.

Location & geography

Westlake is situated approximately five miles east of Lake Charles and sits conveniently along Interstate 10, making it easily accessible for travelers. The city encompasses a land area of 29.23 square miles and features a water area of 3.76 square miles, reflecting the natural beauty of the region. The terrain is primarily flat and includes several canals, contributing to the area's unique landscape.

Community & economy

The character of Westlake is defined by its friendly atmosphere and the resilience of its residents. The local economy is supported by industries such as manufacturing, retail, and services, contributing to a balanced daily life for its inhabitants. Residents enjoy a variety of local events, recreational opportunities, and the benefits of community involvement.

Transportation

Westlake is served by Interstate 10, which is a major east-west highway running through the southern part of the state. The nearest major airport is Lake Charles Regional Airport, located about eight miles to the west, providing both commercial and general aviation services. Public transportation options in the area are limited, making personal vehicles the primary mode of travel.

History

Westlake was founded in the early 20th century and has since evolved into a noteworthy small city within Calcasieu Parish. The area's economy historically relied on agriculture and later expanded to include industries related to oil and gas, reflecting the region's resource-rich environment. Notable events in the city’s history include the establishment of key infrastructure and community projects that have shaped its growth.

Did you know?

A surprising fact about Westlake, Louisiana, is its proximity to the Intracoastal Waterway, which plays a significant role in local shipping and recreation. Additionally, Westlake is known for its annual events that celebrate local culture and heritage, fostering community spirit among residents.

ZIP codes for Westlake, LA (1)

ZIP code	City	County	Map
70669	Westlake	Calcasieu	View map

Demographics & statistics

9,640

Population

40.0

Median age

$64,736

Median household income

$28,969

Per capita income

$149,200

Median home value

$956

Median monthly rent

82.8%

Home ownership

9.8%

Poverty rate

2.5%

Unemployment

3,925

Housing units

17.1%

Bachelor's or higher

Age distribution

Male Female

297

Under 5

297

347

5–9

347

282

10–14

282

240

15–19

240

193

20–24

193

763

25–34

763

623

35–44

623

414

45–54

414

418

55–59

418

357

60–64

357

517

65–74

517

314

75–84

314

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,168	22.5%
18 and over	7,472	77.5%
65 and over	1,779	18.5%
Median age	40.0 years

Race & ethnicity

White 82.8%

Black or African American 9.8%

Two or more races 3.1%

Asian 2.2%

Hispanic or Latino 1.7%

Other race 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	8,115	82.8%
Black or African American	961	9.8%
Two or more races	305	3.1%
Asian	218	2.2%
Hispanic or Latino	162	1.7%
Other race	30	0.3%
American Indian / Alaska Native	11	0.1%

Household income

Under $10k 6.3%

$10k–$15k 3.4%

$15k–$25k 4.3%

$25k–$35k 5.3%

$35k–$50k 13.7%

$50k–$75k 28.7%

$75k–$100k 11.9%

$100k–$150k 18.4%

$150k–$200k 4.4%

$200k+ 3.4%

Range	% of households
Under $10k	6.3%
$10k–$15k	3.4%
$15k–$25k	4.3%
$25k–$35k	5.3%
$35k–$50k	13.7%
$50k–$75k	28.7%
$75k–$100k	11.9%
$100k–$150k	18.4%
$150k–$200k	4.4%
$200k+	3.4%
Median income	$64,736

Housing

Home values

Under $50k 15.7%

$50k–$100k 13.5%

$100k–$150k 21.3%

$150k–$200k 15.1%

$200k–$300k 18.0%

$300k–$500k 13.9%

$500k–$1M 2.2%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$149,200
Median rent / month	$956
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	19.5%
Single-family detached	71.8%
Large apartment buildings	0.5%
Mobile homes	22.0%
Median rooms	5.9
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.9%
2010–2019	15.9%
2000–2009	13.8%
1990–1999	11.9%
1980–1989	7.7%
1970–1979	15.8%
1960–1969	13.8%
1950–1959	16.1%
1940–1949	3.5%
1939 or earlier	0.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.8%
2 bedrooms	18.2%
3 bedrooms	64.7%
4 bedrooms	12.7%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	4.7%
1 vehicle	23.3%
2 vehicles	42.2%
3 or more	29.8%

Heating fuel

Fuel type	%
Utility gas	41.6%
Electricity	54.2%
Propane / LP gas	1.1%
Wood	2.1%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	2,061	56.2%
Cohabiting couple	140	3.8%
Male householder, no spouse	654	17.8%
Female householder, no spouse	812	22.1%
Households with children under 18	1,119	30.5%
Households with seniors (65+)	1,392	38.0%
Average household size	2.63

Marital status

Status	Male	Female
Never married	20.7%	23.6%
Married	59.0%	58.0%
Separated	0.0%	0.9%
Widowed	6.4%	11.1%
Divorced	13.9%	6.5%

Education

Less than 9th grade 2.7%

Some HS, no diploma 8.1%

HS graduate 40.8%

Some college, no degree 22.5%

Associate's degree 8.8%

Bachelor's degree 13.6%

Graduate / professional 3.5%

Metric	%
HS diploma or higher	89.2%
Bachelor's or higher	17.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	75	4.1%
Kindergarten	69	3.7%
Elementary school	1,108	60.0%
High school	414	22.4%
College / grad school	180	9.8%

Employment

Industry of employment

Education & healthcare 22.4%

Construction 15.9%

Retail trade 12.3%

Transportation & utilities 9.5%

Manufacturing 9.3%

Arts, food & hospitality 7.4%

Other services 6.9%

Public administration 6.7%

Professional & management 3.9%

Finance & real estate 2.3%

Agriculture & mining 1.3%

Information 1.2%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	25.9%
Service	18.3%
Sales & office	18.4%
Natural resources & construction	16.4%
Production & transportation	21.0%

Employment type

Type	%
Private sector	72.6%
Government	19.7%
Self-employed	7.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.6%
Carpool	18.2%
Public transit	0.0%
Walk	0.0%
Other means	1.0%
Avg commute (minutes)	29.6

Poverty

All people 9.8%

Under 18 years 10.1%

18 and over 9.7%

Married-couple families 4.9%

Female-led households 28.7%

Income support

Source	% of households
Social Security	47.3%
Retirement income	27.5%
Supplemental Security	4.3%
Cash public assistance	0.4%
Food stamps / SNAP	8.6%

Health indicators

Condition	%
High blood pressure	39.1%
High cholesterol	34.1%
Heart disease	7.1%
Stroke	3.6%
Asthma	9.5%
Arthritis	26.4%
Kidney disease	3.2%
Pulmonary disease	8.2%
Cancer	6.5%

Behavior / access	%
Binge drinking	20.5%
No physical activity	31.4%
Less than 7 hrs sleep	38.7%
Fair or poor health	18.4%
Poor mental health	19.2%
Poor physical health	12.6%
No health insurance	14.1%
Visited doctor (checkup)	76.6%
Visited dentist	53.1%
Cholesterol screening	88.7%
Teeth loss	18.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	971	13.0%

Disability	%
Any disability	13.4%
Under 18	6.3%
18–64 years	9.4%
65 and over	34.7%

Health insurance coverage

Type	%
Private insurance	56.7%
Public insurance	48.3%
Uninsured under 19	2.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,047	93.8%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,432	97.8%
Born in same state	9,276	96.2%
Born in different state	7,647	79.3%
Foreign born	156	1.6%
Naturalized citizen	208	2.2%
Not a US citizen	189	90.9%

Ancestry

Ancestry	Count	%
German	968	10%
Italian	769	8%
French	423	4.4%

Ancestry	Count	%
Arab	381	4%
English	90	0.9%

Technology access

Metric	% of households
Computer access	38.0%
Internet access	89.0%

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

Frequently asked questions

What ZIP codes does Westlake, LA have?

Westlake, LA has one ZIP code: 70669. Each ZIP code serves a distinct delivery area within the city and surrounding region.