The following census related items are available online at no charge.
1850 Henry Co Mortality Schedule
1880 Federal Census - Orphans Home at Andover IL
1880 Federal Census -Henry Co. Infirmary (Almshouse, Poor House)
1900 Federal Census -Henry County Infirmary (Almshouse, Poor House)
1880
Federal Census- All States offsite-provided by LDS Church
By subscription to their
census services, all Henry Co Federal Census records are available at Ancestry.com
This is a pay service
and is not transcriptions, but actual census page images.