Stephanie Miller et al., « National Neighborhood Data Archive (NaNDA): Urbanicity by Census Tract, United States, 2010 », Inter-university Consortium for Political and Social Research, ID : 10.3886/ICPSR38606.v1
This dataset contains measures of the urban/rural characteristics of each census tract in the United States. These include proportions of urban and rural population, population density, rural/urban commuting area (RUCA) codes, and RUCA-based four- and seven-category urbanicity scales.