“Community investing” is investment that seeks to deliver social benefits to low-income or marginalized communities while also generating a financial return. This report provides an overview of the U.S. Community Investing (USCI) field: the types of intermediary organizations raising investments and deploying them in underserved communities, the range of investment products that are available, and the types of investors active in the space. In so doing, this study surfaces several key barriers and opportunities for scaling private investment in the USCI space.