Compare Every County in the United States
Instantly visualize population trends, unemployment rates, and economic indicators across all 3,143 US counties. Make data-driven real estate and business decisions.
Why Use the County Comparator?
Built specifically for real estate investors, business analysts, and researchers who need to quickly identify trends across geographic regions.
Instant Visualization
Color-coded heat maps load in seconds, letting you immediately spot high-growth and declining areas at a glance.
Multiple Data Layers
Switch between population change, unemployment rates, and other economic indicators with a single click.
Deep Dive Details
Click any county to see detailed statistics, historical trends, and year-over-year comparisons.
Address Search
Jump directly to any location by searching for an address, city, or county name.
Trend Charts
Interactive charts show historical data so you can identify emerging markets before they peak.
Completely Free
No account required, no paywalls. Full access to all features and data layers at no cost.
Available Data Layers
Each layer provides unique insights into county-level trends. Data is sourced from the US Census Bureau and Bureau of Labor Statistics.
How It Works
Get actionable insights in three simple steps.
Select a Data Layer
Choose which metric you want to visualize from the dropdown menu.
Explore the Map
Pan and zoom to explore regions. Colors indicate relative performance.
Click for Details
Click any county to see detailed statistics and historical charts.
Who Uses This Tool?
The County Comparator was built for anyone making location-based decisions.
Real Estate Investors
Identify emerging markets with population growth before property values increase.
Business Owners
Find growing areas with strong employment for expansion or relocation.
Researchers
Quickly visualize demographic and economic trends for academic studies.
Homebuyers
Research potential areas to move based on growth and economic stability.
Built for Performance
Rendering 3,143 county boundaries with real-time data requires serious engineering. Here's what makes it work.
The County Comparator processes millions of data points to create an interactive visualization that loads in seconds. We pre-compute color thresholds, optimize geographic boundary data, and use efficient rendering techniques to ensure smooth performance even on modest hardware.
Data is sourced directly from official government statistics and updated as new Census and BLS data becomes available.
Technical Highlights
- Optimized GeoJSON boundaries for all 3,143 US counties
- Pre-computed color scales for instant layer switching
- US Census Bureau population estimates (2020-2024)
- Bureau of Labor Statistics unemployment data
- Google Maps integration for address search
- Interactive charts powered by Google Charts