Data Last Updated: July 1, 2025

Calcasieu Parish, LA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Calcasieu, LA.	21 ZIP Codes (14 General, 6 PO Box, 1 Unique, & 0 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Calcasieu, LA. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	337
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Central
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Calcasieu, LA from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	216,785 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	22019
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Lake Charles, LA
Land Area: The approximate amount of land area covered by Calcasieu, LA in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	1,064 square miles
Water Area: The approximate amount of water area covered by Calcasieu, LA in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	30 square miles
Coordinates: The latitude/longitude centroid coordinates for Calcasieu Parish, LA.	-93.358070, 30.229343
Quick Link: Copy the direct link to the Calcasieu, LAParish page and use anywhere you like!	https://www.zip-codes.com/county/la-calcasieu.asp

Calcasieu, LA ZIP Code Boundaries

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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state.

Calcasieu Parish, LA Covers 21 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 70601	General	Lake Charles	34,571	15.95%
ZIP Code 70602	P.O. Box	Lake Charles	0	0.00%
ZIP Code 70605	General	Lake Charles	39,903	18.41%
ZIP Code 70606	P.O. Box	Lake Charles	0	0.00%
ZIP Code 70607	General	Lake Charles	30,339	13.99%
ZIP Code 70609	Unique	Lake Charles	260	0.12%
ZIP Code 70611	General	Lake Charles	22,457	10.36%
ZIP Code 70612	P.O. Box	Lake Charles	0	0.00%
ZIP Code 70615	General	Lake Charles	14,949	6.90%
ZIP Code 70616	P.O. Box	Lake Charles	0	0.00%
ZIP Code 70629	General	Lake Charles	19	0.01%
ZIP Code 70630	General	Bell City	1,370	0.63%
ZIP Code 70633	General	Dequincy	8,989	4.15%
ZIP Code 70646	P.O. Box	Hayes	837	0.39%
ZIP Code 70647	General	Iowa	11,386	5.25%
ZIP Code 70661	General	Starks	2,179	1.01%
ZIP Code 70663	General	Sulphur	29,325	13.53%
ZIP Code 70664	P.O. Box	Sulphur	0	0.00%
ZIP Code 70665	General	Sulphur	12,532	5.78%
ZIP Code 70668	General	Vinton	6,576	3.03%
ZIP Code 70669	General	Westlake	9,830	4.53%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Calcasieu, LA, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Calcasieu, LA Information

Calcasieu Parish, LA Covers 21 ZIP Codes. This includes 14 General ZIP Codes, 6 PO Box ZIP Codes, and 1 Unique (reserved for Business and Volume Mail Receivers).

The population for Calcasieu Parish is 216,785, according to the U.S. Census. Population Density is 203.75 persons per square mile. With 93,232 Housing Units, the Average Household Size is 2.55 persons. There are 83,865 Family Households with an Average Family Size of 3.21 persons. 6.89% of the population is without Health Insurance. The 56.93% Employment Rate is 2.87% above the national average of 59.8%.138,954 people aged 25+ have some educational achievement, with 24.71% (or 34,329 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

337 is the only area code for this area. Calcasieu is also located in the Central timezone and the current local time is shown above.

Calcasieu is part of the Lake Charles, LA Core Based Statistical Area (CBSA). Its CBSA Code is 29340.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Calcasieu, LA have 92,921 Residential mailboxes and 6,009 Business mailboxes.There are 4,741 businesses with a total of 71,694 employees. That is an average of 15.1 employees per business. Annual payroll for these businesses is $4,051,976,000. Other Demographics

Calcasieu Parish Demographic Profile

Population & People

Total Population

216,785

Income

Median Household Income

$67,849

Housing

Total Housing Units

93,232

Health

Without Healthcare Coverage

6.89%

Business & Economy

Total Businesses

4,741

Families

Total Households

83,865

Employment

Employment Rate

56.93%

Education

Bachelor's Degree or Higher

24.71%

Total Population: Total number of people from the 2020 U.S. Census for Calcasieu, LA. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	216,785
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Calcasieu, LA. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	238,252
Total Households: Total number of Households from the 2020 U.S. Census for Calcasieu, LA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	83,865
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	93,232
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.55
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.21

Other Calcasieu Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	92,921
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	6,009
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	114,222
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	72,237
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	9,285

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	4,741
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$954,548,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$4,051,976,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	71,694

Sum of all ZIP Codes assigned Calcasieu, LA as their primary Parish.

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov