Chicago-Naperville-Elgin vs Rome

Cost of living comparison based on BEA Regional Price Parities. Rome is 13% less expensive than Chicago-Naperville-Elgin.

What This Comparison Actually Tells You

The Bureau of Economic Analysis indexes Chicago-Naperville-Elgin, IL-IN at an overall Regional Price Parity of 103.6 and Rome, GA at 90.2, using the U.S. national average of 100 as the reference point. That puts Rome 13% less expensive than Chicago-Naperville-Elgin on a blended basket of goods, services, and rents. The raw index gap of 13.4 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, Chicago-Naperville-Elgin indexes goods at 107.3, services at 83.6, and rents at 112.0, while Rome comes in at 96.3, 90.7, and 60.3 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 - Chicago-Naperville-Elgin 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 Chicago-Naperville-Elgin has the same purchasing power as $87,032 in Rome based on these indexes. The two metros serve populations of roughly 9,359,555 (Chicago-Naperville-Elgin) and 98,985 (Rome), and median household incomes are $88,850 versus $62,540 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.

Chicago-Naperville-Elgin
103.6
Cost Index
Rome
90.2
Cost Index

Category Breakdown

Category Chicago-Naperville-Elgin Rome Difference
Overall 103.6 90.2 -13.4
Goods 107.3 96.3 -11.0
Services 83.6 90.7 +7.1
Rents 112.0 60.3 -51.7

Visual Comparison

Overall
Chicago-Naperville-Elgin
103.6
Rome
90.2
Goods
Chicago-Naperville-Elgin
107.3
Rome
96.3
Services
Chicago-Naperville-Elgin
83.6
Rome
90.7
Rents
Chicago-Naperville-Elgin
112.0
Rome
60.3

Vertical line = national average (100)

Salary Equivalents

What a salary in Chicago-Naperville-Elgin would need to be in Rome for the same purchasing power:

In Chicago-Naperville-Elgin In Rome Difference
$50,000 $43,516 $-6,484
$75,000 $65,274 $-9,726
$100,000 $87,032 $-12,968
$150,000 $130,548 $-19,452

Use the salary calculator for custom amounts.

Metro Context

Metric Chicago-Naperville-Elgin Rome
Population 9,359,555 98,985
Median Income $88,850 $62,540
Data Year 2024 2024

Frequently Asked Questions

Is Rome more expensive than Chicago-Naperville-Elgin?
Rome is 13% less expensive than Chicago-Naperville-Elgin. The overall cost index is 90.2 vs 103.6 (national average = 100).
What salary in Rome equals $100K in Chicago-Naperville-Elgin?
A $100,000 salary in Chicago-Naperville-Elgin has the same purchasing power as $87,032 in Rome. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Chicago-Naperville-Elgin and Rome?
Rents in Chicago-Naperville-Elgin are indexed at 112.0 while Rome is at 60.3 (national average = 100). Chicago-Naperville-Elgin 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

Every figure on PlainCost is rendered directly from BEA Regional Price Parity source data, no number is typed in by an editor. This page draws directly on BEA Regional Price Parity source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, our changelog, or report a data error. Data current as of 2026-05-15. Rankings measure the published cost-of-living index only; we don't recommend where to live or rate any metro's quality of life.