Washington-Arlington-Alexandria vs Slidell-Mandeville-Covington

Cost of living comparison based on BEA Regional Price Parities. Slidell-Mandeville-Covington is 14.8% less expensive than Washington-Arlington-Alexandria.

What This Comparison Actually Tells You

The Bureau of Economic Analysis indexes Washington-Arlington-Alexandria, DC-VA-MD-WV at an overall Regional Price Parity of 108.9 and Slidell-Mandeville-Covington, LA at 92.7, using the U.S. national average of 100 as the reference point. That puts Slidell-Mandeville-Covington 14.8% less expensive than Washington-Arlington-Alexandria on a blended basket of goods, services, and rents. The raw index gap of 16.2 points matters more than the headline comparison because it flows directly into salary-equivalent math that families use for relocation, job offers, and remote-work arbitrage decisions.

Inside the breakdown, Washington-Arlington-Alexandria indexes goods at 104.8, services at 106.7, and rents at 151.1, while Slidell-Mandeville-Covington comes in at 93.7, 71.7, and 85.4 on the same three categories. The rent line carries the largest weight in the BEA methodology, so a metro with a higher rent index almost always ends up more expensive overall - Washington-Arlington-Alexandria carries the heavier rent load here, and that tends to dominate household budget experience on the ground.

In salary terms, a $100,000 income in Washington-Arlington-Alexandria has the same purchasing power as $85,160 in Slidell-Mandeville-Covington based on these indexes. The two metros serve populations of roughly 6,263,796 (Washington-Arlington-Alexandria) and 269,331 (Slidell-Mandeville-Covington), and median household incomes are $123,896 versus $79,277 respectively - so the right way to read this comparison is never the index alone, but the ratio of your expected local salary to the rent and services mix. For any serious relocation or remote-work decision, pair this BEA comparison with BLS occupation-specific wage data, HUD Fair Market Rent tables, and state tax treatment before committing.

Washington-Arlington-Alexandria
108.9
Cost Index
Slidell-Mandeville-Covington
92.7
Cost Index

Category Breakdown

Category Washington-Arlington-Alexandria Slidell-Mandeville-Covington Difference
Overall 108.9 92.7 -16.2
Goods 104.8 93.7 -11.2
Services 106.7 71.7 -35.0
Rents 151.1 85.4 -65.7

Visual Comparison

Overall
Washington-Arlington-Alexandria
108.9
Slidell-Mandeville-Covington
92.7
Goods
Washington-Arlington-Alexandria
104.8
Slidell-Mandeville-Covington
93.7
Services
Washington-Arlington-Alexandria
106.7
Slidell-Mandeville-Covington
71.7
Rents
Washington-Arlington-Alexandria
151.1
Slidell-Mandeville-Covington
85.4

Vertical line = national average (100)

Salary Equivalents

What a salary in Washington-Arlington-Alexandria would need to be in Slidell-Mandeville-Covington for the same purchasing power:

In Washington-Arlington-Alexandria In Slidell-Mandeville-Covington Difference
$50,000 $42,580 $-7,420
$75,000 $63,870 $-11,130
$100,000 $85,160 $-14,840
$150,000 $127,741 $-22,259

Use the salary calculator for custom amounts.

Metro Context

Metric Washington-Arlington-Alexandria Slidell-Mandeville-Covington
Population 6,263,796 269,331
Median Income $123,896 $79,277
Data Year 2024 2024

Frequently Asked Questions

Is Slidell-Mandeville-Covington more expensive than Washington-Arlington-Alexandria?
Slidell-Mandeville-Covington is 14.8% less expensive than Washington-Arlington-Alexandria. The overall cost index is 92.7 vs 108.9 (national average = 100).
What salary in Slidell-Mandeville-Covington equals $100K in Washington-Arlington-Alexandria?
A $100,000 salary in Washington-Arlington-Alexandria has the same purchasing power as $85,160 in Slidell-Mandeville-Covington. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Washington-Arlington-Alexandria and Slidell-Mandeville-Covington?
Rents in Washington-Arlington-Alexandria are indexed at 151.1 while Slidell-Mandeville-Covington is at 85.4 (national average = 100). Washington-Arlington-Alexandria has higher rents.

Source: Bureau of Economic Analysis, Regional Price Parities (2024). Index where national average = 100.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainCost Editorial