{{Infobox settlement |name = Williamsport |settlement_type = City |official_name = City of Williamsport |nickname = Billtown |motto = The Will is in us. |image_skyline = Downtown-Williamsport.jpg |imagesize = |image_caption = Downtown Williamsport |image_flag = |flag_size = |image_seal = |seal_size = |image_shield = |shield_size = |image_blank_emblem = |blank_emblem_size = |image_map = Map of Lycoming County Pennsylvania Highlighting Williamsport.png |mapsize = 250px |map_caption = Map of Lycoming County, Pennsylvania highlighting Williamsport |image_map1 = |mapsize1 = |map_caption1 = |image_dot_map = |dot_mapsize = |dot_map_caption = |dot_x = |dot_y = |pushpin_map = Pennsylvania |pushpin_label_position = right |pushpin_map_caption = Location in Pennsylvania |pushpin_mapsize = |subdivision_type = Country |subdivision_name = United States |subdivision_type1 = State |subdivision_name1 = Pennsylvania |subdivision_type2 = County |subdivision_name2 = Lycoming |subdivision_type3 = |subdivision_name3 = |subdivision_type4 = |subdivision_name4 = |government_footnotes = |government_type = |leader_title = Mayor |leader_name = Gabe Campana (R) |leader_title1 = |leader_name1 = |leader_title2 = |leader_name2 = |leader_title3 = |leader_name3 = |leader_title4 = |leader_name4 = |established_title = Settled |established_date = 1769 |established_title1 = Incorporated |established_date1 = 1806 (borough) |established_title2 =   |established_date2 = 1866 (city) |area_magnitude = |unit_pref = Imperial |area_footnotes = |area_total_km2 = 24.7 |area_land_km2 = 23.0 |area_water_km2 = 1.7 |area_total_sq_mi = 9.5 |area_land_sq_mi = 8.9 |area_water_sq_mi = 0.7 |area_water_percent = |area_urban_km2 = |area_urban_sq_mi = |area_metro_km2 = |area_metro_sq_mi = |area_blank1_title = |area_blank1_km2 = |area_blank1_sq_mi = |population_as_of = 2009 |population_footnotes = |population_note = |population_total = 29304 |population_density_km2 = 3456.3 |population_density_sq_mi = 3456.3 |population_metro = |population_density_metro_km2 = |population_density_metro_sq_mi = |population_urban = |population_density_urban_km2 = |population_density_urban_sq_mi = |population_blank1_title = |population_blank1 = |population_density_blank1_km2 = |population_density_blank1_sq_mi = |timezone = Eastern (EST) |utc_offset = -5 |timezone_DST = EDT |utc_offset_DST = -4 |coordinates_display = inline,title |coordinates_type = region:US_type:city |latd = 41 |latm = 14 |lats = 40 |latNS = N |longd = 77 |longm = 1 |longs = 7 |longEW = W |elevation_footnotes = |elevation_m = 158 |elevation_ft = 518 | postal_code_type = ZIP Codes | postal_code = 17701,17702,17703,17705 |area_code = 570 |blank_name = FIPS code |blank_info = 42-85312