The 1840 census represents the last of the federal censuses that focus on the heads of households only. Like all of the censuses before it, the 1840 was still under the jurisdiction of the U.S.
On Aug. 1, 1790 — 235 years ago Friday — the first Constitutionally-mandated U.S. Census was completed. While those of us who love data enjoy poring over the results of each decade’s census, the ...