Election victories
Libertarians have had mixed success in electing candidates at the state and local level. Following the 2002 elections, according to its site,[25] 599 Libertarians held elected or appointed local offices and appointed state offices. As of January 2010, 143 Libertarians Nationwide, hold elected office: 31 of them partisan offices, and 112 of them non-partisan offices[26]. Since the party's creation, twelve Libertarians have been elected to state legislatures, though none hold office currently. The most recent Libertarian candidate elected to a state legislatures was Steve Vaillancourt to the New Hampshire House of Representatives in 2000. Vaillancourt, a Democratic member of the House with libertarian leanings, had lost the Democratic primary for a seat in the New Hampshire Senate that year and accepted the Libertarian nomination so as to keep his House seat..[27]
After the party's 21 electoral victories in November 2008, there are now 207 elected Libertarians serving in office across the United States [10]. In comparison, the Green Party had 48 electoral victories in 2008 [11], and 193 Greens currently serve in public office.
Libertarian Party (United States) - Wikipedia, the free encyclopedia
So it's not a lot, but it completely disproves your broad sweeping statement. Had to get more than single digit in an election to win a seat.