What Data Brokers Actually Know About You (It's More Than You Think)

The Industry You've Never Heard Of Is Worth $440 Billion

There are more than 540 data broker companies operating in the United States today. Most people have never heard of a single one. That's by design — these companies make their money by knowing things about you that you'd prefer stayed private, and selling that information to anyone willing to pay.

The data broker industry generates an estimated $440 billion annually. For comparison, that's larger than the entire US pharmaceutical industry. They've built detailed profiles on hundreds of millions of people, and the information in those profiles is more comprehensive than most people realize.

Here's exactly what they know.

The 6 Categories of Data Brokers Have on You

1. Your Home Address (and Previous Addresses)

This one surprises people the most. Your current home address is listed on nearly every major people-search site — Spokeo, Whitepages, BeenVerified, Radaris, and dozens more. But it's not just your current address. These sites often maintain 5–10 years of address history, including every apartment you've lived in.

This data comes primarily from public property records, voter registrations, and utility connections. Every time you register to vote or buy a house, that information flows into the public record and gets scraped within weeks.

2. Your Phone Number

Your cell phone number — the one you gave only to close friends and family — is on data broker sites. Multiple ones. This happens through loyalty programs, online purchases, warranty registrations, and data sharing agreements between companies.

Once your number is on Whitepages, telemarketers can find it in seconds. This is the direct cause of most spam calls.

3. Your Email Address(es)

Every email address you've ever used for a public-facing service has likely been aggregated. Data brokers link email addresses to your identity profile, which means companies can find your current email even if you stopped using an old one years ago.

4. Your Family Members

This one is deeply uncomfortable. People-search sites don't just profile individuals — they map social graphs. Spokeo and similar sites will list your spouse, siblings, parents, and adult children alongside your profile. This is called "relative linking," and it means that someone looking you up can immediately find your family members too.

The implications for domestic violence survivors, people in witness protection, or anyone trying to maintain separation from family members are severe.

5. Income Estimate and Net Worth

Data brokers sell financial profiles that include estimated household income, estimated net worth, home value, and vehicle ownership. These estimates are derived from public records (property values, vehicle registrations) combined with proprietary scoring models fed by purchase data.

These numbers are often wrong — but they're still used to target advertising, insurance pricing, and credit offers.

6. Your Daily Routine

This is the category most people are shocked by. Through mobile app data collection and aggregated location data, some data brokers build "behavioral profiles" that include:

• What time you typically leave for work
• Where you get coffee
• What gym you use
• What stores you frequent

This data is collected from dozens of apps that sell location data — weather apps, games, navigation tools — and aggregated into patterns. Companies like SafeGraph and Veraset built entire businesses on this, selling daily foot traffic data at the individual level.

How They Get All This Data

Public Records (The Legal Loophole)

In the US, a remarkable amount of personal information is legally public: property records, court filings, voter registrations, business filings, marriage licenses, divorce records. Data brokers use automated scrapers to ingest all of it continuously.

App Data and Location Brokers

When you install a free app and accept the terms of service, you often consent to your location data being "shared with partners." Those partners sell it upstream. Your GPS coordinates, timestamped and linked to your device ID, flow into profiles that connect back to your name and address through identity resolution algorithms.

Purchase History and Loyalty Programs

Every time you swipe a loyalty card or shop online without ad-blocking, your purchase behavior gets recorded and sold. Data brokers buy these datasets and use them to build consumption profiles: what you buy, how often, how much you spend.

Data Brokers Selling to Each Other

Perhaps the most insidious part of the ecosystem: brokers buy from each other. Information collected by one company gets resold to dozens more, each adding their own data before selling again. Your profile gets richer with every transaction.

Why This Actually Matters

It's tempting to think "I have nothing to hide, so who cares?" But data broker profiles create concrete risks:

Stalking and physical safety. When someone's home address, vehicle, workplace, and daily routine are all available, they become findable by anyone — including people who mean them harm. Journalists, domestic abuse survivors, and public figures face real risks from exposed profiles.

Identity theft. The combination of name, address, date of birth, and family members is often enough to answer security questions or impersonate someone to customer service.

Targeted scams. Fraudsters use data broker information to make phishing attempts more convincing. "We noticed activity on your account at [your bank]" hits harder when they actually know where you bank.

Spam and harassment. Your phone number and email being on every broker site is why your inbox and voicemail are flooded.

What You Can Do

Understanding the scope of the problem is the first step. To see exactly which brokers have your information right now, run a free scan at unlist.ai — it checks every major site and gives you an AI risk score.

For context on why this matters enough to take action, read more about the privacy case for removal. Then, when you're ready to start, our data broker removal guides walk through the opt-out process for every major site.

The industry counts on your not knowing what they know. Now you do.

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