Trying to find the 2010 Census results for your town or county online is far more difficult than it should be. More than a year since data collection ended, the Federal government still doesn’t have complete municipal stats available—or at least, it’s nearly impossible for even the computer literate to find them.
I did finally locate some very general 2010 data for Columbia County using this interactive maps page. Due to the crudeness of the interface, the raw data was not downloadable, and of course this does not include the key comparison—how things have changed since 2000. But here are some screenshots for your consideration, while the gummint tries to get its act together...
(Information about jobs and incomes would be a lot more useful and interesting than that about race and ethnicity, but that seems to be the first level of compilation the Census folks do.)