This is a very good Lincoln County resource. http://www.rootsweb.com/~sdlincol/
City of Hudson statistics: http://www.city-data.com/city/Hudson-South-Dakota.html
You can view some of my Hudson pics on this album page. http://picasaweb.google.com/rwkruid. I hope to be able to add 100's more this fall if I can find the disk that I saved them on.