This list of cities, towns, unincorporated communities, counties, and other recognized places in the U.S. state of Alaska also includes information on the number and names of counties in which the place lies, and its lower and upper zip code bounds, if applicable.

Name of placeNumber of countiesPrincipal countyLower zip codeUpper zip codeSagwon1North Slope Borough  St. George1Aleutians West Census Area99591 St. George1Aleutians West Census Area99660 Saint George Island1Aleutians West Census Area99660 St. John Harbor1Wrangell-Petersburg Census Area  Saint Marys1Kusilvak Census Area99658 Saint Mary's1Kusilvak Census Area99658 St. Mary's1Kusilvak Census Area99658 Saint Marys Airport1Kusilvak Census Area99658 St. Marys City School District1Kusilvak Census Area  Saint Michael1Nome Census Area99659 St. Michael1Nome Census Area99659 Saint Paul1Aleutians West Census Area99660 St. Paul1Aleutians West Census Area99660 Saint Paul Island1Aleutians West Census Area99660 Saint Paul Island Airport1Aleutians West Census Area99660 Saint Terese1City and Borough of Juneau  Salamatof1Kenai Peninsula Borough  Salcha1Fairbanks North Star Borough99714 Salchaket1Fairbanks North Star Borough99701 Salmon1Yukon-Koyukuk Census Area  Salmon Creek1City and Borough of Juneau99801 Salmon Lake1Nome Census Area  Salt Chuck1Prince of Wales-Outer Census Area  Sanak1Aleutians East Borough  Sand Bay1Aleutians East Borough  Sand Lake1Municipality of Anchorage99522 Sand Point1Aleutians East Borough99661 Sand Point Airport1Aleutians East Borough99661 San Juan1Kodiak Island Borough  Saulich1Yukon-Koyukuk Census Area  Savonoski1Bristol Bay Borough  Savoonga1Nome Census Area99769 Saxman1Ketchikan Gateway Borough99901 Saxman East1Ketchikan Gateway Borough  Scammon Bay1Kusilvak Census Area99662 Scow Bay1Wrangell-Petersburg Census Area99833 Sealaska8Haines Borough  Sealaska8City and Borough of Juneau  Sealaska8Ketchikan Gateway Borough  Sealaska8Prince of Wales-Outer Census Area  Sealaska8City and Borough of Sitka  Sealaska8Skagway-Hoonah-Angoon Census Area  Sealaska8Wrangell-Petersburg Census Area  Sealaska8City and Borough of Yakutat  Section House1Matanuska-Susitna Borough  Selawik1Northwest Arctic Borough99770 Seldovia1Kenai Peninsula Borough99663 Seldovia Village1Kenai Peninsula Borough  Serpentine Hot Springs1Nome Census Area  Seversens1Dillingham Census Area  Seward1Kenai Peninsula Borough99664 Seward-Hope1Kenai Peninsula Borough  Shageluk1Yukon-Koyukuk Census Area99665 Shaktolik1Nome Census Area  Shaktoolik1Nome Census Area99771 Sheldon Point1Kusilvak Census Area99666 Sheldon Point1Kusilvak Census Area  Shemya1Aleutians East Borough  Shemya Island1Aleutians East Borough  Shemya Station/Air Force Station1Aleutians West Census Area98736 Sherman1Matanuska-Susitna Borough  Sheshalik1Northwest Arctic Borough  Shishmaref1Nome Census Area99772 Shoal Cove1Ketchikan Gateway Borough  Shoreline Drive1Ketchikan Gateway Borough  Shungnak1Northwest Arctic Borough99773 Shungnak Village1Northwest Arctic Borough  Silver Springs1Valdez-Cordova Census Area  Silvertip1Kenai Peninsula Borough99631 Sinuk1Nome Census Area  Sitka1City and Borough of Sitka99835 Sitka1City and Borough of Sitka  Sitka Airport1City and Borough of Sitka99835 Sitka City and Borough School District1City and Borough of Sitka  Sitka National Historical Park1City and Borough of Sitka  Situk1City and Borough of Yakutat  Skagway1Municipality of Skagway Borough99840 Skagway City School District1Municipality of Skagway Borough  Skwentna1Matanuska-Susitna Borough99667 Slana1Valdez-Cordova Census Area99586 Slaterville1Fairbanks North Star Borough  Sleetmute1Bethel Census Area99668 Snug Harbor1Kenai Peninsula Borough99572 Soldatna1Kenai Peninsula Borough  Soldotna1Kenai Peninsula Borough99669 Solomon1Nome Census Area  Sourdough1Valdez-Cordova Census Area99586 South1Municipality of Anchorage99502 South Bierremark1Fairbanks North Star Borough  Southeast Fairbanks1Southeast Fairbanks Census Area  Southeast Islands Regional Educational Attendance Ar2Prince of Wales-Outer Census Area  Southeast Islands Regional Educational Attendance Ar2Wrangell-Petersburg Census Area  South Fairbanks1Fairbanks North Star Borough99701 South Naknek1Bristol Bay Borough99670 Southwest Region Regional Educational Attendance Are1Dillingham Census Area  Sparrevohn Station1Bethel Census Area  Spenard1Municipality of Anchorage99503 Squaw Harbor1Aleutians East Borough99661 Standard1Fairbanks North Star Borough  Stebbins1Nome Census Area99671 Steese1Fairbanks North Star Borough99710 Sterling1Kenai Peninsula Borough99672 Sterling Landing1Yukon-Koyukuk Census Area  Stevens1Yukon-Koyukuk Census Area  Stevens Village1Yukon-Koyukuk Census Area99774 Stony River1Bethel Census Area99557 Strawberry Point1Skagway-Hoonah-Angoon Census Area  Strelna1Valdez-Cordova Census Area  Stuyahok1Kusilvak Census Area  Sulatna Crossing1Yukon-Koyukuk Census Area  Sullivan Camp1Nome Census Area  Summit1Denali Borough99729 Sunnyside1Skagway-Hoonah-Angoon Census Area99832 Sunrise1Kenai Peninsula Borough  Sunshine1Matanuska-Susitna Borough99501 Suntrana1Denali Borough99743 Susitna1Matanuska-Susitna Borough  Sutton1Matanuska-Susitna Borough99674 Sutton-Alpine1Matanuska-Susitna Borough