My table shows gold with a density of 19.32 grams/cubic centimeter, while lead shows only 11.35 grams/cubic centimeter.
So gold is nearly twice as dense as lead.
Ugly
Nitpick:
The numbers quoted by stockton are atomic numbers, i.e. how many protons each atom has. The atomic weights (number of protons plus number of neutrons - or average thereof, since the number of neutrons can vary) describe how heavy each atom is. About 197 for gold and 207 for lead so atom for atom, lead is heavier.
Density also depends on how closely packed the atoms are in a solid. Since gold atoms are “smaller” (spaced closer together), a cubic inch of solid gold weighs more than a cubic inch of lead.