Trees in cities can contribute significantly to human health and environmental quality. Unfortunately, little is known about the urban forest resource and what it contributes locally, regionally, and nationally in terms of ecology, economy, and social well-being. To better understand this resource and its values, the Forest Service, U.S. Department of Agriculture, initiated a pilot study to sample trees within all urban areas across various States. Urban forest structure, functions, health, and values in Wisconsin were analyzed using the Urban Forest Effects (UFORE) Model. Results from this report demonstrate the value of collecting and analyzing urban forest data and can be used to advance the understanding and management of urban forests to improve human health and environmental quality.