Washington-Arlington-Alexandria vs Lafayette

Cost of living comparison based on BEA Regional Price Parities. Lafayette is 19.9% 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 Lafayette, LA at 87.2, using the U.S. national average of 100 as the reference point. That puts Lafayette 19.9% less expensive than Washington-Arlington-Alexandria on a blended basket of goods, services, and rents. The raw index gap of 21.7 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 Lafayette comes in at 93.7, 71.2, and 58.8 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 $80,093 in Lafayette based on these indexes. The two metros serve populations of roughly 6,263,796 (Washington-Arlington-Alexandria) and 410,883 (Lafayette), and median household incomes are $123,896 versus $60,910 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
Lafayette
87.2
Cost Index

Category Breakdown

Category Washington-Arlington-Alexandria Lafayette Difference
Overall 108.9 87.2 -21.7
Goods 104.8 93.7 -11.2
Services 106.7 71.2 -35.5
Rents 151.1 58.8 -92.3

Visual Comparison

Overall
Washington-Arlington-Alexandria
108.9
Lafayette
87.2
Goods
Washington-Arlington-Alexandria
104.8
Lafayette
93.7
Services
Washington-Arlington-Alexandria
106.7
Lafayette
71.2
Rents
Washington-Arlington-Alexandria
151.1
Lafayette
58.8

Vertical line = national average (100)

Salary Equivalents

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

In Washington-Arlington-Alexandria In Lafayette Difference
$50,000 $40,047 $-9,953
$75,000 $60,070 $-14,930
$100,000 $80,093 $-19,907
$150,000 $120,140 $-29,860

Use the salary calculator for custom amounts.

Metro Context

Metric Washington-Arlington-Alexandria Lafayette
Population 6,263,796 410,883
Median Income $123,896 $60,910
Data Year 2024 2024

Frequently Asked Questions

Is Lafayette more expensive than Washington-Arlington-Alexandria?
Lafayette is 19.9% less expensive than Washington-Arlington-Alexandria. The overall cost index is 87.2 vs 108.9 (national average = 100).
What salary in Lafayette equals $100K in Washington-Arlington-Alexandria?
A $100,000 salary in Washington-Arlington-Alexandria has the same purchasing power as $80,093 in Lafayette. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Washington-Arlington-Alexandria and Lafayette?
Rents in Washington-Arlington-Alexandria are indexed at 151.1 while Lafayette is at 58.8 (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