Any registered voter may participate in New Hampshire 's primary . Voters must declare a party affiliation so that they could participate in only one primary every year , not both the Democratic and Republican primaries . The voters will elect delegates to the district-level events ; a candidate will only receive delegates to the national convention if he or she receives at least 15 % of the district voters ' votes . 30 delegates will be proportionally sent to the national convention
national convention
2008 Democratic National Convention
2008 New Hampshire Democratic primary