Complex sentence: The United States Census Bureau combines Blackhawk with the adjoining Tassajara area to form the census-designated place of Blackhawk-Camino Tassajara, and all census data are tabulated for this combined entity.
Split into simpler sentences: The United States Census Bureau combines Blackhawk with the adjoining Tassajara area to form the census-designated place of Blackhawk-Camino Tassajara. All census data are tabulated for this combined entity.