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US ZIP Code Profile

ZIP Code 70669
Westlake, Louisiana

ZIP code 70669 is in Westlake, located in Calcasieu County, Louisiana, within the Lake Charles metro area. Its 2020 Census population was 9,830. The estimated median adjusted gross income per tax return is $45,703, and about 4% of filers report $200,000 or more.

2020 Population
9,830
Census ZCTA
County
Calcasieu
FIPS 22019
Median income (est.)
$45,703
IRS SOI 2022
Land Area
30.535 mi²
+ 3.542 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityWestlake, LA
CountyCalcasieu County (FIPS 22019)
StateLouisiana (FIPS 22)
Metro Area (MSA)Lake Charles, LA Metro Area (29340)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.242348, -93.272316
Land / Water Area30.535 mi² land · 3.542 mi² water

02Income & Economics

Distribution of the 3,990 individual tax returns filed in 70669 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.1%
$25K–$50K
24.1%
$50K–$75K
15.3%
$75K–$100K
10.0%
$100K–$200K
16.5%
$200K+
4.0%
The $200,000+ bracket accounts for 21% of 70669's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($45,703) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 70669's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,703
▲ 5.6%
Filers earning $200K+
4.0%
▲ 0.7 pt
Total filers
3,990
▲ 0.5%
GET /zipc/v2/zipcodes/70669/soi?year=… $42K 2020 $43K 2021 $46K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 70669 ZCTA.

2000
10,102
 
2010
10,131
▲ +0.3%
2020
9,830
▼ -3.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number219256
City AliasesWestlake

06Frequently Asked Questions

What county is ZIP code 70669 in?

ZIP code 70669 is in Calcasieu County, Louisiana (county FIPS code 22019).

What city is ZIP code 70669?

The primary USPS city for 70669 is Westlake, LA.

What metro area (MSA) is 70669 in?

70669 is part of the Lake Charles, LA Metro Area (MSA code 29340).

What is the population of ZIP code 70669?

The 2020 Census population of 70669 was 9,830 residents.

What is the median income in ZIP code 70669?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70669 is about $45,703, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.