1900 Census microfilms at Internet Archive

Reel 1682. Beaver, Box Elder, Cache, Carbon, and Davis (part: ED 88 and ED 89, sheets 1-13) Counties
Reel 1683. Davis (cont'd: ED 89, sheet 14-end), Emery, Garfield, Grand, Iron, Juab, Kane, Millard, Morgan, Piute, and Rich Counties
Reel 1684. Salt Lake County (part: EDs 6-52)
Reel 1685. Salt Lake (cont'd: ED 53-64, 215, 65-68), San Juan, and Sanpete (part: EDs 119-120 and ED 121, sheets 1-5) Counties
Reel 1686. Sanpete (cont'd: ED 121, sheet 6-end), Sevier, Summit, and Tooele Counties
Reel 1687. Utah and Unitah (part: EDs 150-209 and ED 210, sheets 1-55) Counties
Reel 1688. Unitah (cont'd: ED 210, sheet 56-end), Wasatch, Washington, Wayne, and Weber Counties