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US ZIP Code Profile

ZIP Code 70605
Lake Charles, Louisiana

ZIP code 70605 is in Lake Charles, located in Calcasieu County, Louisiana, within the Lake Charles metro area. Its 2020 Census population was 39,903. The estimated median adjusted gross income per tax return is $55,825, and about 12% of filers report $200,000 or more.

2020 Population
39,903
Census ZCTA
County
Calcasieu
FIPS 22019
Median income (est.)
$55,825
IRS SOI 2022
Land Area
43.428 mi²
+ 5.293 mi² water

01Location & Geography

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

Primary CityLake Charles, 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
Coordinates30.129276, -93.27353
Land / Water Area43.428 mi² land · 5.293 mi² water

02Income & Economics

Distribution of the 15,720 individual tax returns filed in 70605 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.5%
$25K–$50K
20.5%
$50K–$75K
13.1%
$75K–$100K
9.1%
$100K–$200K
19.3%
$200K+
11.6%
The $200,000+ bracket accounts for 53% of 70605's total adjusted gross income, from 12% of returns — a concentration that drives the gap between the median ($55,825) 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 70605's IRS income metrics, 2020–2022.

Median income (2021→2022)
$55,825
▲ 1.9%
Filers earning $200K+
11.6%
▲ 0.4 pt
Total filers
15,720
▲ 1.2%
GET /zipc/v2/zipcodes/70605/soi?year=… $51K 2020 $55K 2021 $56K 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 70605 ZCTA.

2000
29,603
 
2010
32,741
▲ +10.6%
2020
39,903
▲ +21.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number215057
City AliasesLake Charles, Sweet Lake

06Frequently Asked Questions

What county is ZIP code 70605 in?

ZIP code 70605 is in Calcasieu County, Louisiana (county FIPS code 22019).

What city is ZIP code 70605?

The primary USPS city for 70605 is Lake Charles, LA.

What metro area (MSA) is 70605 in?

70605 is part of the Lake Charles, LA Metro Area (MSA code 29340).

What is the population of ZIP code 70605?

The 2020 Census population of 70605 was 39,903 residents.

What is the median income in ZIP code 70605?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70605 is about $55,825, with around 12% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.