A public-data field guide

See the shape
of a city.

Clear, human-scale profiles for understanding how American cities live, grow, move, and change.

    The first edition

    3219 city profiles. One legible baseline. Open data, plainly sourced.

    Explore by data

    Start with the signal.

    One measure at a time, with the definition and source in view.

    Explore all data views

    Make a fair comparison

    The facts, side by side.

    Put up to four cities next to each other. Each figure carries the same definition and data vintage.

    Compare cities