Expert articles on using ZIP code data to research neighborhoods, understand insurance rates, and make smarter housing decisions.
ZIP codes were invented to sort mail, not measure neighborhoods. But they've become powerful proxies for income, opportunity, and risk — here's what the data behind your ZIP actually means.
October 18, 2024· Updated January 5, 2025
Insurance companies use your ZIP code as one of the strongest predictors of your rates. Here's exactly how it works for auto, home, and health insurance — and what you can do about it.
September 5, 2024
America's wealthiest ZIP codes concentrate extraordinary income in very small geographic areas. Here's what they are, what drives them, and what the data reveals about wealth concentration.
August 1, 2024
ZIP code data gives you a rich picture of any neighborhood before you move in. Here's the complete research process for using demographic, school, crime, and housing data to evaluate any ZIP.
July 10, 2024
ZIP codes aren't permanent. USPS changes them as populations shift, new developments open, and delivery routes evolve. Here's what you need to know if your ZIP changes — and how to verify your correct code.
June 20, 2024