WorthByZip

Guides & Data Studies

In-depth guides and original analysis on what a paycheck is really worth across U.S. metros, built from official government data.

How to Compare Two Job Offers in Different Cities (Step by Step) Two job offers in different cities are almost impossible to compare by salary alone. Here's a step-by-step way to see which one actually leaves you better off. July 21, 2026 How Much of Your Income Should Really Go to Rent? The 30% rule says spend no more than 30% of income on rent - but in expensive cities that math breaks down. Here's how to set a realistic rent budget for where you live. July 21, 2026 Nominal vs. Real Wages: Why Your Raise Might Actually Be a Pay Cut The difference between nominal and real wages explains why a bigger paycheck can leave you worse off. Here's how to tell what a raise or a job offer is really worth. July 21, 2026 Salary Percentiles Explained: Why the Median Beats the Average What salary percentiles mean, why the median is a better guide to typical pay than the average, and how to read the 10th-to-90th percentile range on a salary report. July 21, 2026 Where Salary Data Comes From: Understanding BLS Wage Numbers and Their Limits Most salary figures trace back to the U.S. Bureau of Labor Statistics. Here's how BLS wage data is collected, why it's the most reliable source, and the limits to keep in mind. July 21, 2026 What a Cost-of-Living Index Is, and Why $80,000 Isn't $80,000 Everywhere A plain-English guide to cost-of-living indices - how they work, why the same salary buys very different lives across US cities, and how to compare pay fairly. July 21, 2026 10 US Metros Where a Registered Nurse's Salary Stretches Furthest We ranked US metros by a registered nurse's median salary after adjusting for local cost of living. Here's where nursing pay goes furthest - and where it falls short. July 21, 2026