No states yet. Select some zip codes and click the button above.
Smsooth Voronoi borders derived from zip centroids.
EXPERIMENTAL! May be buggy. District edges snap to real county lines; splits within a county stay Voronoi.
While using the Brush tool, hold Shift to only paint unclaimed ZIP codes. Areas already assigned to a district will be skipped.
Hold Ctrl and hover over a district to highlight it. Ctrl+click focuses it in the States tab. Holding Shift during any selection tool — not just the brush — will skip ZIP codes already claimed by a district.
Hold Alt and click a district to drag its label to a new position.
Ctrl+Shift+click a district to open its city label editor. While dragging a city label, Ctrl+scroll changes size, Shift+scroll changes rotation, and Ctrl+Shift+scroll adjusts letter spacing.
Use the arrow keys to pan the map in any direction.
Hold the scroll wheel button and drag to pan the map — no need to switch to the Move tool.
The Export button in the toolbar downloads a full JSON backup of your map. This is especially useful if you don't have premium — without database sync, your map only lives in your browser and could be lost if you clear your browser data.