Labor Economics Arbitrage & Career Benchmarks

Chicago-Naperville-Elgin, IL-IN vs. Gem County, ID Comparison (2026)

Empirical side-by-side analysis of regional cost of living, HUD fair market rents, statutory tax burdens, and occupational compensation spread.

Curated Head-to-Head Matchups
IL Market

Chicago-Naperville-Elgin, IL-IN

Cost of Living Index: 125.8 · Flat Tax
All-Occupation Median (BLS) $54,720
HUD 1BR Rent$1,780/mo
Est. Take-Home$43,584/yr
Top State Tax Rate4.95%
Local Income Tax0.00%
Explore Chicago-Naperville-Elgin, IL-IN Dossier
VS
ID Market

Gem County, ID

Cost of Living Index: 103.3 · Flat Tax
Boise City Metro Median (BLS) $49,100
HUD 1BR Rent$969/mo
Est. Take-Home$40,138/yr
Top State Tax Rate5.30%
Local Income Tax0.00%
Explore Gem County, ID Dossier

Executive Takeaway & Purchasing Power Verdict

The BLS median wage across all occupations is $54,720 in Chicago-Naperville-Elgin, IL-IN and $49,100 in Gem County, ID (BLS figure for the Boise City, ID metro area), 10.3% lower in Gem County. HUD's one-bedroom Fair Market Rent is $1,780 a month in Chicago and $969 in Gem County (45.6% lower in Gem County). On a $75,000 salary a single filer pays $2,867 in state and local income tax in Gem County versus $3,568 in Chicago, $701 less a year in Gem County. EPI family budgets put overall living costs 17.9% lower in Gem County, so $75,000 in Chicago goes about as far as $61,580 in Gem County. Adjusted for living costs, the median wage buys about 9.3% more in Gem County, ID than in Chicago-Naperville-Elgin, IL-IN.

Chicago-Naperville-Elgin, IL-IN vs Gem County, ID: Shared Occupation Wages

Comparing empirical BLS median wages across common professions in both labor markets.

Category / Role Chicago-Naperville-Elgin, IL-IN Median Gem County, ID Median Advantage Delta Action

Head-to-Head Comparison Frequently Asked Questions

Is it cheaper to live in Chicago-Naperville-Elgin, IL-IN or Gem County, ID?

Gem County, ID is cheaper: its cost-of-living index (from EPI family budgets, U.S. = 100) is 103.3 versus 125.8 in Chicago-Naperville-Elgin, IL-IN. HUD's one-bedroom Fair Market Rent is $1,780 a month in Chicago-Naperville-Elgin, IL-IN and $969 in Gem County, ID.

How much do I need to earn in Gem County, ID to match $75,000 in Chicago-Naperville-Elgin, IL-IN?

About $61,580. That scales $75,000 by the ratio of the two metros' cost-of-living indexes (125.8 in Chicago-Naperville-Elgin, IL-IN, 103.3 in Gem County, ID); it does not account for differences in taxes.

Do jobs pay more in Chicago-Naperville-Elgin, IL-IN or Gem County, ID?

The BLS median wage across all occupations is $54,720 in Chicago-Naperville-Elgin, IL-IN and $49,100 in Gem County, ID (BLS figure for the Boise City, ID metro area). Pay for a specific occupation can differ; the table on this page compares BLS medians for occupations published in both metros.

How do income taxes compare between Chicago-Naperville-Elgin, IL-IN and Gem County, ID?

Chicago-Naperville-Elgin, IL-IN has a top state rate of 4.95%; a single filer earning $75,000 pays $3,568 in state and local income tax there. Gem County, ID has a top state rate of 5.3%; a single filer earning $75,000 pays $2,867 in state and local income tax there. Federal income tax and FICA are the same in both.

Where does the median wage go further?

Dividing each metro's BLS median wage by its cost-of-living index, the median wage buys about 9.3% more in Gem County, ID than in Chicago-Naperville-Elgin, IL-IN.

Reciprocal Route & Triangular Silo Links

Chicago-Naperville-Elgin, IL-IN vs. Gem County, ID: Reverse Comparison & Regional Hubs

Reverse Comparison: Gem County, ID vs. Chicago-Naperville-Elgin, IL-IN
Chicago-Naperville-Elgin, IL-IN vs. Gem County, ID Comparison (2026) Overview

Side-by-side wage, living expense, & tax arbitrage comparison for Chicago-Naperville-Elgin, IL-IN vs. Gem County, ID. Empirical BLS earnings & HUD benchmarks. Official 2026 economic data for Chicago-Naperville-Elgin, IL-IN vs. Gem County, ID compiled from Bureau of Labor Statistics OEWS surveys, HUD Fair Market Rents, and statutory tax codes.

Quick answers
Is it cheaper to live in Chicago-Naperville-Elgin, IL-IN or Gem County, ID?

Gem County, ID is cheaper: its cost-of-living index (from EPI family budgets, U.S. = 100) is 103.3 versus 125.8 in Chicago-Naperville-Elgin, IL-IN. HUD's one-bedroom Fair Market Rent is $1,780 a month in Chicago-Naperville-Elgin, IL-IN and $969 in Gem County, ID.

How much do I need to earn in Gem County, ID to match $75,000 in Chicago-Naperville-Elgin, IL-IN?

About $61,580. That scales $75,000 by the ratio of the two metros' cost-of-living indexes (125.8 in Chicago-Naperville-Elgin, IL-IN, 103.3 in Gem County, ID); it does not account for differences in taxes.