The Dakota Territory 1880 Census is listed under "VARIOUS"

NORTH DAKOTA COUNTIES


NEW ADDITIONS TO NORTH DAKOTA CENSUS, September 2006

ADAMS
BARNES
BENSON
BILLINGS
BOTTINEAU
BOWMAN
BURKE
BURLEIGH
CASS
CAVALIER
DICKEY
DIVIDE
DUNN
EDDY
EMMONS
FOSTER
GOLDEN VALLEY
GRAND FORKS
GRANT
GRIGGS
HETTINGER
KIDDER
LA MOURE
LOGAN
MCHENRY
MCINTOSH
MCKENZIE
MCLEAN
MERCER
MORTON
MOUNTRAIL
NELSON
OLIVER
PEMBINA
PIERCE
RAMSEY
RANSOM
RENVILLE
RICHLAND
ROLETTE
SARGENT
SHERIDAN
SIOUX
SLOPE
STARK
STEELE
STUTSMAN
TOWNER
TRAILL
UNKNOWN COUNTY
VARIOUS COUNTIES
WALSH
WARD
WELLS
WILLIAMS

1900 NORTH DAKOTA ANCESTRY CENSUS

1920 NORTH DAKOTA ANCESTRY CENSUS

1930 NORTH DAKOTA ANCESTRY CENSUS