There exist current or former county courthouses corresponding to the
county seats (or
shire towns) of most of the United States' 3,144 counties or county-equivalents, and also to a number of former counties.
Variations on county seats include: • Currently
36 U.S. counties have dual county seats • Louisiana has parishes and parish seats rather than counties and county seats; this list includes its notable parish courthouses. • Connecticut no longer has county governments; this list includes its historic county courthouses and also the state's currently functioning courthouses serving 20 geographical areas that do not correspond to the current counties. • Massachusetts • Alaska has boroughs and borough-equivalents, and borough seats. It has 39 trial court locations and has appellate courts in Anchorage and Fairbanks. • Some counties have branch courthouses, including
Pinellas County, Florida (county seat Clearwater, branch in St. Petersburg) and
Marion County, Missouri (county seat Palmyra for District 1, Hannibal for District 2). ==Alabama==