State of Alaska Web Site:: Quick Facts about our State: Population, 2005 estimate 663,661 Land area, 2000 (square miles) 571,951 Persons per square mile 1.1   Quick Facts about Anchorage: Population, 2003 estimate 270,951 Land area, 2000 (square miles) 1,697 Persons per square mile, 2000 153.4     5 Day Forecast for Anchorage, Alaska:: Average Monthly Temperatures, 1971 - 2000 Jan Feb March April May June July Aug Sept Oct Nov Dec 15.8 18.7 25.9 36.3 46.9 54.7 58.4 56.4 48.2 34.1 21.8 17.5