Washington-Arlington-Alexandria vs Santa Rosa-Petaluma

Cost of living comparison based on BEA Regional Price Parities. Santa Rosa-Petaluma is 1% 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 Santa Rosa-Petaluma, CA at 107.8, using the U.S. national average of 100 as the reference point. That puts Santa Rosa-Petaluma 1% less expensive than Washington-Arlington-Alexandria on a blended basket of goods, services, and rents. The raw index gap of 1.1 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 Santa Rosa-Petaluma comes in at 105.2, 154.8, and 139.6 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 $98,990 in Santa Rosa-Petaluma based on these indexes. The two metros serve populations of roughly 6,263,796 (Washington-Arlington-Alexandria) and 485,642 (Santa Rosa-Petaluma), and median household incomes are $123,896 versus $102,840 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
Santa Rosa-Petaluma
107.8
Cost Index

Category Breakdown

Category Washington-Arlington-Alexandria Santa Rosa-Petaluma Difference
Overall 108.9 107.8 -1.1
Goods 104.8 105.2 +0.3
Services 106.7 154.8 +48.1
Rents 151.1 139.6 -11.6

Visual Comparison

Overall
Washington-Arlington-Alexandria
108.9
Santa Rosa-Petaluma
107.8
Goods
Washington-Arlington-Alexandria
104.8
Santa Rosa-Petaluma
105.2
Services
Washington-Arlington-Alexandria
106.7
Santa Rosa-Petaluma
154.8
Rents
Washington-Arlington-Alexandria
151.1
Santa Rosa-Petaluma
139.6

Vertical line = national average (100)

Salary Equivalents

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

In Washington-Arlington-Alexandria In Santa Rosa-Petaluma Difference
$50,000 $49,495 $-505
$75,000 $74,242 $-758
$100,000 $98,990 $-1,010
$150,000 $148,485 $-1,515

Use the salary calculator for custom amounts.

Metro Context

Metric Washington-Arlington-Alexandria Santa Rosa-Petaluma
Population 6,263,796 485,642
Median Income $123,896 $102,840
Data Year 2024 2024

Frequently Asked Questions

Is Santa Rosa-Petaluma more expensive than Washington-Arlington-Alexandria?
Santa Rosa-Petaluma is 1% less expensive than Washington-Arlington-Alexandria. The overall cost index is 107.8 vs 108.9 (national average = 100).
What salary in Santa Rosa-Petaluma equals $100K in Washington-Arlington-Alexandria?
A $100,000 salary in Washington-Arlington-Alexandria has the same purchasing power as $98,990 in Santa Rosa-Petaluma. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Washington-Arlington-Alexandria and Santa Rosa-Petaluma?
Rents in Washington-Arlington-Alexandria are indexed at 151.1 while Santa Rosa-Petaluma is at 139.6 (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