Austin-Round Rock-San Marcos vs Chicago-Naperville-Elgin

Cost of living comparison based on BEA Regional Price Parities. Chicago-Naperville-Elgin is 5.6% more expensive than Austin-Round Rock-San Marcos.

What This Comparison Actually Tells You

The Bureau of Economic Analysis indexes Austin-Round Rock-San Marcos, TX at an overall Regional Price Parity of 98.1 and Chicago-Naperville-Elgin, IL-IN at 103.6, using the U.S. national average of 100 as the reference point. That puts Chicago-Naperville-Elgin 5.6% more expensive than Austin-Round Rock-San Marcos on a blended basket of goods, services, and rents. The raw index gap of 5.5 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, Austin-Round Rock-San Marcos indexes goods at 93.8, services at 82.0, and rents at 120.4, while Chicago-Naperville-Elgin comes in at 107.3, 83.6, and 112.0 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 - Austin-Round Rock-San Marcos 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 Austin-Round Rock-San Marcos has the same purchasing power as $105,638 in Chicago-Naperville-Elgin based on these indexes. The two metros serve populations of roughly 2,357,497 (Austin-Round Rock-San Marcos) and 9,359,555 (Chicago-Naperville-Elgin), and median household incomes are $97,638 versus $88,850 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.

Austin-Round Rock-San Marcos
98.1
Cost Index
Chicago-Naperville-Elgin
103.6
Cost Index

Category Breakdown

Category Austin-Round Rock-San Marcos Chicago-Naperville-Elgin Difference
Overall 98.1 103.6 +5.5
Goods 93.8 107.3 +13.5
Services 82.0 83.6 +1.5
Rents 120.4 112.0 -8.4

Visual Comparison

Overall
Austin-Round Rock-San Marcos
98.1
Chicago-Naperville-Elgin
103.6
Goods
Austin-Round Rock-San Marcos
93.8
Chicago-Naperville-Elgin
107.3
Services
Austin-Round Rock-San Marcos
82.0
Chicago-Naperville-Elgin
83.6
Rents
Austin-Round Rock-San Marcos
120.4
Chicago-Naperville-Elgin
112.0

Vertical line = national average (100)

Salary Equivalents

What a salary in Austin-Round Rock-San Marcos would need to be in Chicago-Naperville-Elgin for the same purchasing power:

In Austin-Round Rock-San Marcos In Chicago-Naperville-Elgin Difference
$50,000 $52,819 +$2,819
$75,000 $79,229 +$4,229
$100,000 $105,638 +$5,638
$150,000 $158,457 +$8,457

Use the salary calculator for custom amounts.

Metro Context

Metric Austin-Round Rock-San Marcos Chicago-Naperville-Elgin
Population 2,357,497 9,359,555
Median Income $97,638 $88,850
Data Year 2024 2024

Frequently Asked Questions

Is Chicago-Naperville-Elgin more expensive than Austin-Round Rock-San Marcos?
Chicago-Naperville-Elgin is 5.6% more expensive than Austin-Round Rock-San Marcos. The overall cost index is 103.6 vs 98.1 (national average = 100).
What salary in Chicago-Naperville-Elgin equals $100K in Austin-Round Rock-San Marcos?
A $100,000 salary in Austin-Round Rock-San Marcos has the same purchasing power as $105,638 in Chicago-Naperville-Elgin. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Austin-Round Rock-San Marcos and Chicago-Naperville-Elgin?
Rents in Austin-Round Rock-San Marcos are indexed at 120.4 while Chicago-Naperville-Elgin is at 112.0 (national average = 100). Austin-Round Rock-San Marcos 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