Calcasieu
Source:
Louisiana
Calcasieu is a county in Louisiana with 14 ZIP codes and a total population of 200,530. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
Calcasieu is a county inside Louisiana (FIPS code 22019) that contains 14 USPS ZIP codes covering a combined population of 200,530 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail, crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.
The 14 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Calcasieu is 70605 covering Lake Charles with 32,741 residents at 291 people per square mile. Population density across ZIPs in this county varies, use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.
Because Calcasieu uses FIPS code 22019, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files, no estimates, no proprietary sources, no editorial scoring.
14
Total ZIPs
200,530
Total Population
ZIP Codes in Calcasieu
Side-by-side: Compare 70605 vs 70601 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 70605 | Lake Charles | 32,741 | 291 |
| 70601 | Lake Charles | 32,384 | 776 |
| 70663 | Sulphur | 28,150 | 112 |
| 70607 | Lake Charles | 25,560 | 83 |
| 70611 | Lake Charles | 19,256 | 91 |
| 70615 | Lake Charles | 14,335 | 113 |
| 70665 | Sulphur | 10,743 | 26 |
| 70669 | Westlake | 10,131 | 128 |
| 70647 | Iowa | 8,703 | 19 |
| 70633 | Dequincy | 7,604 | 19 |
| 70668 | Vinton | 6,424 | 17 |
| 70661 | Starks | 2,309 | 5 |
| 70630 | Bell City | 1,440 | 3 |
| 70646 | Hayes | 750 | 41 |
What are common questions about ZIP codes in this county?
What is the population of Calcasieu?▼
What ZIP codes are in Calcasieu?▼
Data sources
Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →
Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology to see how this data is sourced, computed, and verified.