The community is sparsely populated; thick forests cover most of Buck Township.

Buck is drained by the Lehigh River, which forms its natural southeastern boundary with Monroe County.

It has a warm-summer humid continental climate (Dfb) and the hardiness zones are 5a and 5b.

Average monthly temperatures in Stoddartsville range from 22.6 °F in January to 68.3 °F in July.

The racial makeup of the township was 97% White, 1.6% Black, 0.2% American Indian, 0.7% Asian, 0.5% two or more races.