Most government publications are now distributed on the Web. Your gateway to this information is available through Govinfo.
A wealth of data can be found on the US Census Data website, includes statistical information from the 2020 US census.
Or, you can try use Google and limit your searches to government sites only by using the site: command. If you were looking for governmental statistics on salmon in Oregon, this is what your search might look like:
site:gov statistics salmon oregon
This limited my search to governmental websites that mention the words "statistics," "salmon," and "oregon."