Land: Tioga County is located west of Binghamton and directly north of the border with Pennsylvania. The Susquehanna River flows into Pennsylvania from this county.

The highest elevation is an unnamed 1,994-foot (607.8 m) hill in the county's northern corner.

Chair, County Legislature - Martha Sauerbrey

• Barton, Town of
  • Waverly, Village of
• Berkshire, Town of
• Candor, Town of
  • Candor, Village of
• Newark Valley, Town of
  • Newark Valley, Village of
• Nichols, Town of
  • Nichols, Village of
• Owego, Town of
  • Owego, Village of
• Richford, Town of
• Spencer, Town of
  • Spencer, Village of
• Tioga, Town of