Durham-Chapel Hill vs Chicago-Naperville-Elgin

Cost of living comparison based on BEA Regional Price Parities. Chicago-Naperville-Elgin is 6.2% more expensive than Durham-Chapel Hill.

What This Comparison Actually Tells You

The Bureau of Economic Analysis indexes Durham-Chapel Hill, NC at an overall Regional Price Parity of 97.6 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 6.2% more expensive than Durham-Chapel Hill on a blended basket of goods, services, and rents. The raw index gap of 6.0 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, Durham-Chapel Hill indexes goods at 96.6, services at 89.3, and rents at 98.9, 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 - 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 Durham-Chapel Hill has the same purchasing power as $106,173 in Chicago-Naperville-Elgin based on these indexes. The two metros serve populations of roughly 594,291 (Durham-Chapel Hill) and 9,359,555 (Chicago-Naperville-Elgin), and median household incomes are $81,017 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.

Durham-Chapel Hill
97.6
Cost Index
Chicago-Naperville-Elgin
103.6
Cost Index

Category Breakdown

Category Durham-Chapel Hill Chicago-Naperville-Elgin Difference
Overall 97.6 103.6 +6.0
Goods 96.6 107.3 +10.6
Services 89.3 83.6 -5.7
Rents 98.9 112.0 +13.1

Visual Comparison

Overall
Durham-Chapel Hill
97.6
Chicago-Naperville-Elgin
103.6
Goods
Durham-Chapel Hill
96.6
Chicago-Naperville-Elgin
107.3
Services
Durham-Chapel Hill
89.3
Chicago-Naperville-Elgin
83.6
Rents
Durham-Chapel Hill
98.9
Chicago-Naperville-Elgin
112.0

Vertical line = national average (100)

Salary Equivalents

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

In Durham-Chapel Hill In Chicago-Naperville-Elgin Difference
$50,000 $53,086 +$3,086
$75,000 $79,630 +$4,630
$100,000 $106,173 +$6,173
$150,000 $159,259 +$9,259

Use the salary calculator for custom amounts.

Metro Context

Metric Durham-Chapel Hill Chicago-Naperville-Elgin
Population 594,291 9,359,555
Median Income $81,017 $88,850
Data Year 2024 2024

Frequently Asked Questions

Is Chicago-Naperville-Elgin more expensive than Durham-Chapel Hill?
Chicago-Naperville-Elgin is 6.2% more expensive than Durham-Chapel Hill. The overall cost index is 103.6 vs 97.6 (national average = 100).
What salary in Chicago-Naperville-Elgin equals $100K in Durham-Chapel Hill?
A $100,000 salary in Durham-Chapel Hill has the same purchasing power as $106,173 in Chicago-Naperville-Elgin. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Durham-Chapel Hill and Chicago-Naperville-Elgin?
Rents in Durham-Chapel Hill are indexed at 98.9 while Chicago-Naperville-Elgin is at 112.0 (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.